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Geography & Life Sciences: Chapter 2177

Chapter 2177 provides bibliographic information on scholary research in geography and in the life sciences.

On the origin of the barrier zone (wall 4, CODIT). IAWA Bulletin 11(2): 138

On the origin of the genetic code. Trends in Ecology & Evolution 7(6): 176-178

On the origin of the pine processionary caterpillar, Thaumetopoea wilkinsoni Tams (Lep., Thaumetopoeidae) in Israel. Journal of Applied Entomology, 1093: 311-314

On the oxaloacetate decarboxylase activity in chloroplasts from C3-plant leaves. Fiziologiya Rastenii 37(6): 1065-1071

On the parasitocoenosis of fleas on Mus musculus (Rodentia, Muridae) and Crocidura russula (Insectivora, Soricidae) in the Ebro Delta: Annual study. Revista Iberica de Parasitologia 1989; 48(3): 323-333

On the past and future of private farming. Gazdalkodas 34(5): 50-54

On the pathogenesis of anaemia and leukopenia in filarial (Litomosoides carinii) infection of Mastomys natalensis. Journal of Veterinary Medicine Series B: 382: 123-134

On the pathogenicity of Leishmania (Sauroleishmania) guliki Ovezmukhammedov et Saf'yanova, 1987 for mammals. Izvestiya Akademii Nauk Turkmenskoi SSR Seriya Biologicheskikh Nauk ( 5): 48-51

On the physical properties of Kunigami Maaji soil - physical and engineering properties of local soils in Okinawa area (I). Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering ( 149): 39-44

On the physics of droughts. I. A conceptual framework. Journal of Hydrology Amsterdam 129(1-4): 281-297

On the physics of droughts. II. Analysis and simulation of the interaction of atmospheric and hydrologic processes during droughts. Journal of Hydrology Amsterdam 129(1-4): 299-330

On the pollen- and nectar-value of phacelia, mallow, sunflower and buckwheat. Bienenpflege ( 7/8): 227-230

On the population dynamics of Palaearctic blackfly species (Dipt., Simuliidae): duration of development and drift of the first-instar larvae. Journal of Applied Entomology 109(2): 163-174

On the population fluctuations of bayberry whitefly, Parabemisia myricae Kuwana (Homoptera: Aleyrodidae) on different citrus hosts. Turkiye I Entomoloji Kongresi Bildirileri, 13-16 Ekim 1987, Ege Universitesi, Bornova, Izmir: 59-67

On the population increase and control by aerial application of chemicals, of the spruce sawfly Pristiphora abietina in Upper Austria in 1981-1987. Anzeiger fur Schadlingskunde, Pflanzenschutz, Umweltschutz 62: 127-132

On the position of the digenean family Heronimidae: an inquiry into a cladistic classification of the Digenea. Systematic Parasitology, 212: 81-166

On the possibilities and importance of the body composition investigations - the hormonal regulation of modern milk and meat production. Magyar Allatorvosok Lapja 46(8): 485-487

On the possibilities of the use of ultrasound for regeneration of aged glue urea-formaldehyde resins. Holzforschung 44(3): 173-176

On the possibility of obtaining Brucella abortus strain 19-BA with multiple resistance to antibiotics. Zhurnal Mikrobiologii Epidemiologii i Immunobiologii ( 9): 2-4

On the possibility of spontaneous andro- and gynogenesis in fishes. Journal of Ichthyology 30(4): 152-155

On the possible electronic instability of the monophosphate tungsten bronze (WO3)4(PO2)4. Journal of Solid State Chemistry 86(1): 131-134

On the possible role of the liver in the galactopoietic action of prolactin in the rat. Endocrinology 128(3): 1505-1510

On the post-copulatory guarding behaviour of male field crickets. Animal Behaviour 42(3): 504-505

On the potential of amino acids to support survival and energy status of Nippostrongylus brasiliensis in vitro. International Journal for Parasitology, 221: 131-133

On the potential of basing an ecological typology of aquatic sediments on the nematode fauna: an example from the River Rhine. Hydrobiological Bulletin, 241: 37-45

On the potential, efficiency and prospects of China's grain production. Rural Economy and Society ( 2): 24-34

On the practical use of the science of forest management: thoughts on future tasks in research and teaching. Forstarchiv 61(2): 60-63

On the practice of implementing computer science at a beet sugar factory. Gazeta Cukrownicza 98(11-12): 223-228

On the predatory activity of certain arthropods against insect pests of crops. Indian Journal of Entomology 52(2): 253-257

On the prediction of a drawbar pull-normal slip relationship for a pneumatic tyre moving on soft soil. Journal of Terramechanics 28(4): 383-392

On the preparation of polyvinylsugars. Zuckerindustrie 115(10): 852-855

On the presence in Portugal of the cochineal Aulacaspis tubercularis Newst. (Homoptera: Coccoidea). Garcia de Orta Serie de Zoologia 1989; 14(1): 27-29

On the presence of Choristoneura murinana and two other tortricid Lepidoptera in the fir forests of Calabria and Lucania. Italia Forestale e Montana 45(3): 197-212

On the presence of Corynespora cassiicola on cucumber in Italy, and methods of control. Informatore Fitopatologico 40(10): 43-45

On the presence of Dipetalonema dracunculoides (Cobbold, 1870) infection in dog in Spain. Revista Iberica de Parasitologia 48(2): 187-188

On the presence of Microvelia reticulata (Burmeister, 1835), (Heteroptera, Gerromorpha) in the Iberian peninsula. Boletin de la Asociacion Espanola de Entomologia 13: 455

On the presence of Phlogophora meticulosa L. and Noctua pronuba L. in Campania. Informatore Agrario 46(44): 59-62

On the presence of a quercetin acyl heteroside in the leaves of Myrtus communis L. (Myrtaceae). Pharmazie 44(7): 508-509

On the presence of pectinolytic activity in nodule bacteria. Mikrobiologicheskii Zhurnal 52(1): 22-23

On the present status of Caryophyllidea with a report on some caryophyllid infections in the fresh-water catfish Clarias batrachus (L.) in North-East India and a record of an anomalous form. Indian Journal of Helminthology New Series 1989; 5(1): 37-54

On the principle underlying the tabular method to compute coancestry. Tag. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik 81(2): 233-238

On the privatization of the property of collective farms. Ekonomika Ukrainy ( 3): 67-71

On the probability of avoiding frost damage and regulation of picking time of tea using some plant growth regulators. Bulletin of the Nara Agricultural Experiment Station ( 21): 25-33

On the problem of two-phase activated sludge. Water Science and Technology 24(7): 59-64

On the problem of Sesamia and a pyralid in summer sown sweet corn crops. Informatore Agrario 45(14): 73-77

On the problem of a regulated market economy in the agroindustrial complex. Planovoe Khozyaistvo ( 8): 13-25

On the problem of determination of ammonium nitrogen using the indophenol method. Agrokhimiya ( 10): 113-117

On the problem of developing differentiated soil cultivation technologies and systems. Selskostopanska Nauka 27(4): 68-73

On the problem of ion exchange equilibrium between plant and nutrient substratum. Fiziologiya na Rasteniyata (Sofia) 17(3): 41-46

On the problem of sharka on plum. Selskostopanska Nauka 28(4): 76-79

On the problem of soil-geographical regionalizing of the North Caucasus Mountains. Pochvovedenie ( 1): 5-18

On the problem of using drainage water for irrigation in the Tashutkul massif. Izvestiya Akademii Nauk Kazakhskoi SSR Seriya Biologicheskaya ( 6): 58-64

On the problems of foot rot of sugarbeet. Listy Cukrovarnicke a Reparske 108(2): 36-38

On the problems of reducing the burden of farmers. Chinese Rural Economy ( 9): 28-33

On the production of charcoal in the high oak forests of Costa Rica. Serie Tecnica: Informe Tecnico Centro Agronomico Tropical de Investigacion y Ensenanza ( 178): vi + 27 pp.

On the progressive approaches to economic decisions. Zemedelska Ekonomika 37(1): 23-36

On the prohibition of mercury seed dressings. Pflanzenschutz Wien ( 4): 4-6

On the prospects for agricultural extension. Zemedelska Ekonomika 37(7): 425-432

On the pupae of central European Depressaria and neighbouring genera (Lepidoptera, Oecophoridae). Acta Societatis Zoologicae Bohemoslovacae 54(1): 38-52

On the pupae of the Central European Tischeriidae (Lepidoptera Tischerioidea). Biologia Bratislava 44(10): 923-932

On the putative role of microtubules in gravitropism of maize coleoptiles. Plant & Cell Physiology 32(6): 873-880

On the quality of beet. Industria Saccarifera Italiana 83(5): 193-195

On the question of further developing the agroindustrial complexes of Siberia. Sibirskii Vestnik Sel' skokhozyaistvennoi Nauki ( 4): 3-8

On the question of nitrite formation in a saline medium. Izvestiya Akademii Nauk Kazakhskoi SSR Seriya Biologicheskaya ( 3): 42-46

On the question of overcoming heat deficiency in plants growing in the north. Sbornik Nauchnykh Trudov po Prikladnoi Botanike, Genetike i Selektsii 130: 46-42

On the question of propolis allergy. Hautarzt 41(12): 675-679

On the question of the possibility of application of coloured traps for study of the flight dynamics of cereal flies. Zoologicheskii Zhurnal 69(11): 141-144

On the questions of migration in India: challenges and opportunities. Geojournal 23(3): 257-268

On the radionuclide composition formation in soils after Chernobyl accident. Pochvovedenie ( 10): 26-34

On the rate of water loss of annual forage plants during barn drying with heated air at different temperatures. Wirtschaftseigene Futter 37(1-2): 186-200

On the reaction of some bacteria and fungi on coal tar creosote. Material und Organismen (Berlin) 26(1): 13-30

On the recorded sounds produced in soil by larvae of cupreous chafer, Anomala cuprea Hope (Coleoptera Scarabaeidae). Proceedings of the Kanto Tosan Plant Protection Society ( 38): 223-224

On the regimentation of prostitutes: with special reference to the work performed by Public Health Offices in the Federal Republic of (West) Germany. Offentliche Gesundheitswesen 53(7): 311-324

On the relation between saturated conductivity and capillary retention characteristics. Ground Water 28(5): 775-777

On the relations between root and stalk rot of maize. Zeitschrift fur Pflanzenkrankheiten und Pflanzenschutz 98(1): 39-46

On the relationship between eastern Mediterranean surface heat fluxes and precipitation in Israel. Israel Journal of Earth Sciences 39(2-4): 119-124

On the relationship between precipitation amount and wet deposition of nitrate and ammonium. Atmospheric Environment Part A General Topics 24(12): 3061-3066

On the relationship between specific respiration activity and microbial biomass in soils. Soil Biology & Biochemistry 23(6): 525-532

On the relationship between the vegetation and floras of the Afromontane and the Cape regions of Africa. Mitteilungen aus dem Institut fur Allgemeine Botanik Hamburg 23b: 777-790

On the relative importance of queens and workers to honey production. Apidologie 21(2): 153-160

On the relevance of the transport parameters in predictive modelling of groundwater contamination. IAHS Publication ( 188): 331-347

On the reliability of FeLV test results using lacrimal fluid, saliva, serum as test material in ELISA procedures with special consideration of tear testing with DiaSystems FeLV. Tierarztliche Umschau 46(5): 317...329

On the reproductive activity of the female Onchocerca volvulus. Tropical Medicine and Parasitology 41(4): 387-402

On the reproductive characteristics of rice leafroller, Cnaphalocrocis medinalis Guenee, in natural conditions. Journal of Nanjing Agricultural University Nanjing Nongye Daxue Xuebao ( 4): 37-41

On the reproductive disorders due to phytoestrogens and F-2 toxin in cattle.. Magyar Allatorvosok Lapja 46(11): 652-654

On the request for authorization of irradiation treatment of Camembert cheeses manufactured from raw milk. Bulletin de l' Academie Nationale de Medecine 175(1): 91-92

On the request for authorization of irradiation treatment of bovine colostrum for use in calf feeding. Bulletin de l' Academie Nationale de Medecine 174(8): 1137-1138

On the request for authorization to market an irradiated multi-layer film under the name Cryovac Darfresh TH 300. Bulletin de l' Academie Nationale de Medecine 175(1): 83-84

On the resistance of the plum hybrid K4 and its F1 progenies to plum pox virus. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 43(5): 102-106

On the revision of the Far-Eastern flora list. Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody, Biologicheskii 96(1): 129-133

On the right track for London's commuters. Milk Producer Thames Ditton 38(6): 17

On the road to agricultural cooperative economy with Chinese characteristics. Rural Economy and Society ( 2): 1-8

On the road to where we're going: leisure studies in the future. Loisir et Societe 13(1): 207-227

On the role of Diplodina acerina (Pass.) Sutton and other leaf fungi as antagonists of the window gall fly Dasineura vitrina Kffr. on sycamore (Acer pseudoplatanus L.). Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 42(7): 97-102

On the role of Pseudomonas syringae pv. syringae in blast of pear trees in Catalunya, Spain. Acta Horticulturae ( 256): 143-151

On the role of abscisic Acid and gibberellin in the regulation of growth in rice. Plant Physiology 99(3): 1156-1161

On the role of cadaverine in immunological reactions during helminthiases. Trudy Gel' mintologicheskoi Laboratorii 36: 63-65

On the role of cell membrane lipids in cold hardening of winter wheat leaves and crowns. Plant Physiology & Biochemistry (Paris) 28(5): 623-630

On the role of gustatory recognition in host-plant selection by the silkworm, Bombyx mori L. Japanese Journal of Applied Entomology and Zoology, 353: 197-206

On the role of indolyl-3-acetic acid in pathogenesis of stem and brown rust of wheat. Fiziologiya Rastenii 37(3): 591-595

On the role of information in decision making: the case of sorghum yield in Burkina Faso. Journal of Development Economics 35(2): 261-280

On the role of males. Animal Behaviour 41(2): 195-206

On the Role of Mitochondrial Oxidative Phosphorylation in Photosynthesis Metabolism as Studied by the Effect of Oligomycin on Photosynthesis in Protoplasts and Leaves of Barley (Hordeum vulgare). Plant Physiology 95(4): 1270-1276

On the role of nitrifying bacteria. Vatten 48(2): 153-156

On the role of normal acetylcholine metabolism in the formation and maintenance of the Drosophila nervous system. Developmental Biology 125.2: 361-380

On the role of refugia in promoting prudent use of biological resources. Theoretical Population Biology 40(2): 211-229

On the role of the allelopathic factor in the life of plants. Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSR Seriya Biologicheskikh Nauk ( 1): 129-134

On the role of the principle of optimal cost in the leaf twist of the birch leaf roller (Deporaus betulae). International Agrophysics 5(3-4): 183-196

On the root development of beech plants with different methods of container production. Forstarchiv 61(3): 95-98

On the routine determination of chromium (VI) in soils. Fresenius' Journal of Analytical Chemistry 338(1): 73-74

On the safety of Aspergillus oryzae: a review. Applied Microbiology and Biotechnology 36(5): 569-572

On the secretion of roots under Fe-deficiency in sunflower seedlings. Oil Crops of China ( 3): 37-39

On the selection for specific genes by single seed descent. Euphytica 51(2): 131-140

On the selection of candidates for training as foresters. Forsttechnische Informationen 42(5): 35-37 + 1 sheet

On the selection of lime tolerant rhododendron rootstocks. Rhododendron und Immergrune Laubgeholze Jahrbuch: 95-103

On the selection of machinery within the technological designing of field work processes in developing countries. Beitrage zur Tropischen Landwirtschaft und Veterinarmedizin 28(4): 365-374

On the sensitivity of leukocyte cultures for the detection of Leishmania in the peripheral blood of patients with cutaneous leishmaniasis. Revista da Sociedade Brasileira de Medicina Tropical 22(3): 143-146

On the sensory nerve endings in the porcine clitoris. Anatomia Histologia Embryologia 20(4): 369-377

On the social costs and benefits of electricity supply in a developing region. Development Southern Africa 7(4): 681-688

On the soil formation on mantle loam under different vegetation as revealed by 20 years of lysimetric observations. Pochvovedenie ( 1): 24-30

On the spatial spread of rabies among foxes with immunity. Journal of Theoretical Biology 156(3): 327-348

On the Specificity of a Fatty Acid Epoxygenase in Broad Bean (Vicia faba L.). Plant Physiology 99(3): 987-995

On the specificity of an elicitor preparation from stem rust which induces lignification in wheat leaves. Plant Physiology & Biochemistry (Paris) 27(2): 305-314

On the spraying characteristics of agrichemicals by a sprinkler. Study on the spraying of agrichemicals by a sprinkler system for citrus groves (I). Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering ( 150): 37-43

On the stability of the host-parasite system and inter-relations between occurrence and specificity of parasites within the system. Parazitologiya 25(6): 544-548

On the stabilization of waterlogged softwoods with polyethylene glycol (PEG). Four species from China and Korea. Holzforschung 44(2): 87-93

On the standardized nomenclature of the parasitoses. Magyar Allatorvosok Lapja 45(3): 169-173

On the state grain import policy. APK: Ekonomika, Upravlenie ( 2): 118-121

On the statistical analysis of series of observations. Technical Note World Meteorological Organization ( 143): 192 pp.

On the status of Cytisus hirsutus and C. supinus (Fabaceae). Taxon 40(3): 495-498

On the strategy for improving the mechanism for achieving technical progress in agriculture. Chinese Rural Economy ( 10): 52-56

On the stream function for variable-density groundwater flow. Water Resources Research 28(8): 2141-2145

On the structure and function of the hair sensilla found on the labellum of the housefly, Musca domestica L. Annals of Agricultural Science Cairo 33(1): 543-558

On the structure of massecuite flows in a battery of crystallizers. Izvestiya Vysshikh Uchebnykh Zavedenii, Pishchevaya Tekhnologiya ( 4): 73-75

On the structure of parameres, phallus and pygophore of the Lygaeinae and notes on the systematics of the subfamily (Heteroptera, Lygaeidae). Mitteilungen aus dem Zoologischen Museum in Berlin 66(1): 91-119

On the structure of the aggressive behaviour of the cerambycid Hylotrupes bajulus L. (Col., Cerambycidae). Deutsche Entomologische Zeitschrift 37(1-3): 23-30

On the study of natural enemies of the plum moth Grapholitha funebrana Tr. (Lepidoptera, Tortricidae) in the Prikopetdag zone. Izvestiya Akademii Nauk Turkmenskoi SSR Seriya Biologicheskikh Nauk ( 4): 40-43

On the study of physiological load of worker while working forest machine. (3). By weeding work. Bulletin of the Kyoto University Forests ( 61): 228-235

On the subcellular location of proteolytic enzymes in a lactococcal strain. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 335

On the subject of regulating cereal production. The example of taking farm land out of production - January 1990. Notes et Documents Economie et Sociologie Rurales/Grignon, Institut National de la Recherche Agronomique ( 35): 163-167

On the substrate differentiation of soils in submontane areas of the Erzgebirge Mountains and their classification in the German soil classification. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 65: 91-94

On the suitability assessment of the forest and savanna ecological zones of South-Western Nigeria for maize production. Agriculture, Ecosystems and Environment 31(2): 99-113

On the suitability of bark-dwelling beetles as indicators of tree damage. Mitteilungen der Deutschen Gesellschaft fur Allgemeine und Angewandte Entomologie 7(4-6): 335-345

On the susceptibility of Eucalyptus species and clones to attack by Macrotermes natalensis Haviland (Isoptera: Termitidae). Forest Ecology and Management 48(1-2): 15-30

On the susceptibility of different geographical races of the gypsy moth (Lymantria dispar L.; Lep., Lymantriidae) to a nuclear polyhedrosis virus of the rusty tussock moth (Orgyia antiqua Hbn.; Lep., Lymantriidae). Journal of Applied Entomology, 1114: 327-334

On the susceptibility of the nun moth Lymantria monacha L. (Lep., Lymantriidae) to two different nuclear polyhedrosis virus strains of the gypsy moth Lymantria dispar L. (Lep., Lymantriidae). Journal of Applied Entomology 112(5): 484-492

On the sustainable, steady coordinated development of agriculture: from the point of view of the relationship between industry and agriculture, urban and rural areas. Problems of Agricultural Economy ( 11): 13-17

On the sweat absorption onto wood materials. Bulletin of the Utsunomiya University Forests ( 25): 47-54

On the synergism of a cytoplasmic polyhedrosis virus (DpCPV) isolated from Dasychira pudibunda L. (Lep., Lymantriidae) in mixed infections with different nuclear polyhedrosis viruses. Journal of Applied Entomology 112(4): 335-340

On the synonymy of Diaschistorchis prafullai Chattopadhyaya, 1972 and Diaschistorchis mannarensis Mehrotra et Gupta, 1976. Indian Journal of Helminthology New Series 1989; 5(1): 21-23

On the synonymy of Dissurus xenorhynchi Wahid, 1962 and Stephanoprora gigantica Gupta, 1962 (Trematoda: Echinostomatidae). Indian Journal of Helminthology New Series 1989; 5(1): 11-12

On the syrphid genera Brachyopa Meigen and Hammerschmidtia Schummel (Diptera) in Norway. Fauna Norvegica Series B: 391: 39-43

On the systematic position of five species of hymenolepidid cestodes. Izvestiya Akademii Nauk Moldavskoi SSR Biologicheskie i Khimicheskie Nauki ( 5): 46-49

On the systematic position of the Daphniphyllaceae. Acta Phytotaxonomica Sinica 27(1): 17-26

On the systematic position of the genera Tarsonemus Can. et Fanz, 1876 and Steneotarsonemus Beer, 1954 with the isolation of two new subgenera and description of two new species. Nauchnye Doklady Vysshei Shkoly, Biologicheskie Nauki ( 1): 42-50

On the systematics of the Clavicornia with particular reference to the larvae. Entomologische Nachrichten und Berichte 33(6): 261-266

On the taxonomy and nomenclature of Lophodermium piceae (Fuckel) v. Hohnel. European Journal of Forest Pathology 20(6-7): 355-366

On the taxonomy of the genus Liatongus Reitter, 1892, with a description of a new species from Bhutan (Coleoptera, Scarabaeidae). Entomologica Basiliensia 12: 305-317

On the term 'Regular Agriculture'. Zeitschrift fur Kulturtechnik und Landentwicklung 31(6): 347-352

On the territorial behaviour of field colonies of the leaf-cutting ant Atta laevigata (Hymenoptera: Myrmicinae). Journal of Insect Physiology 36(2): 133-138

On the theory of storage of seed cotton in bales. Vestnik Sel' skokhozyaistvennoi Nauki Moskva ( 3): 72-77

On the therapy of lactational mastitis. Vestuik Khirurgii im I I Grekova 145(11): 141-142

On the threatened communities of floodplain forests in central Povazie. Biologia Bratislava 46(5): 443-450

On the threshold of the 90s: issues in US rural planning and development. Progress in Rural Policy and Planning 1: 19-35

On the thysanuran fauna of the family Machilidae in the Caucasus. Zoologicheskii Zhurnal 69(7): 147

On the timber supply function. Arbetsrapport Instituutionen for Skogsekonomi, Sveriges Lantbruksuniversitet ( 140): 26 pp.

On the track of the road: changes in subsistence hunting in a Brazilian Amazonian village. Neotropical wildlife use and conservation: 82-92

On the trail of a seasonal microbe. New Scientist 130(1763): 36-39

On the transformation of China's traditional agriculture into modern agriculture. Economic Research Beijing ( 6): 39-50

On the transformation of counts when processing data collected in vine protection field experiments with Panonychus ulmi Koch (Acarina, Tetranychidae) and Typhlodromus pyri Scheuten (Acarina, Phytoseiidae). Mitteilungen Klosterneuburg, Rebe und Wein, Obstbau und Fruchteverwertung 39(2): 70-78

On the transmission of the tick-borne encephalitis virus in cow's milk. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 3): 54-56

On the trematode fauna of domestic geese and ducks in Lianhua County, Jiangxi Province. Acta Veterinaria et Zootechnica Sinica 19(2): 138-145

On the trophic relations of insects: a food-web approach. American Naturalist, 1375: 597-638

On the two taxons of the genus Potamogeton L. from Siberia. Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR Seriya Biologicheskikh Nauk ( 5): 75-76

On the types of Lepidoptera deposited in Brazilian museums. XV. Sphingidae described by Jose Francisco Zikan. Revista Brasileira de Entomologia 32(1): 1-3

On the types of Lepidoptera deposited in Brazilian museums. XVI Hesperiidae, Satyridae, Lycaenidae, Riodinidae, Castniidae and Arctiidae described by Roberto Spitz. Revista Brasileira de Entomologia 32(1): 3-6

On the types of Lepidoptera deposited in Brazilian museums. XVII. Pieridae described by S. de Toledo Piza Jr.; Nymphalidae and Lycaenidae by H. Ebert; Lycaenidae by M. Draudt and Pyralidae by R. V. Ihering. Revista Brasileira de Entomologia 32(1): 7-9

On the uniqueness of equilibrium solution in spatial equilibrium analysis: a case study. Science Bulletin of the Faculty of Agriculture, Kyushu University 46(3/4): 199-210

On the unusually early harvesting date of bamboo shoots in 1989. Report of the Tokai Branch of the Crop Science Society of Japan ( 109): 33-36

On the up. Nature 482(7385): 276-276

On the uptake of Wuchereria bancrofti microfilariae in vector mosquitoes of different susceptibility to filarial infections. Angewandte Parasitologie 33(2): 91-95

On the use of DNA/RNA probes for the identification of microorganisms in water and soil. Zeitschrift fur Wasser und Abwasser Forschung 24(1): 32-40

On the use of T61 for euthanasia of domestic and laboratory animals; an ethical evaluation. Laboratory Animals 24(3): 200-204

On the use of a methylcellulose polymer to increase the effectiveness of a Heterorhabditis species against the sugarcane stalk borer, Eldana saccharina. Fundamental and Applied Nematology 15(5): 457-461

On the use of age-intensity data to detect immunity to parasitic infections, with special reference to Schistosoma mansoni in Kenya. Parasitology 105: 219-227

On the use of antimalarials. Mitteilungen der Osterreichischen Gesellschaft fur Tropenmedizin und Parasitologie 12: 273-283

On the use of liquorice meal for culturing feed protein yeasts. Izvestiya Akademii Nauk Turkmenskovi SSR, Seriya Biologicheskikh Nauk ( 2): 28-33

On the use of mathematical models from human epidemiology in breeding for resistance to polycyclic fungal leaf diseases of crops. Parental line breeding and selection in potato breeding Proceedings of the joint conference of the EAPR Breeding Section and the EUCARPIA Potato Section, Wageningen, Netherlands, 11-16 December 1988: 26-37

On the use of mathematical models of malaria transmission. Acta Tropica 49(1): 1-26

On the use of medicinal plants in the folk medicine of Buryats and Mongols. Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR, Seriya Biologicheskikh Nauk ( 3): 52-57

On the use of monovalent killed vaccines in poultry. Doklady Vsesoyuznoi Ordena Lenina i Ordena Trudovogo Krashogo Znameni Akademii Sel' skokhozyaistvennykh Nauk im V I Lenina ( 6): 50-52

On the use of municipal solid waste compost for the reclamation of saline and alkaline soils. Transactions 14th International Congress of Soil Science, Kyoto, Japan, August 1990, Volume IV: 186-191

On the use of paradoxical interventions in counseling and coaching in sport. Sociology of Sport Journal 8(1): 61-69

On the use of the Penman-Monteith equation for determining areal evapotranspiration. IAHS Publication ( 177): 3-12

On the use of the classical tests for detecting linkage. Journal of Heredity 83(2): 143-146

On the uses of combined optical and active-microwave image data for agricultural applications. Applications of remote sensing in agriculture: 355-374

On the utilization of by-products of pulp production in the Amur Pulp & Cardboard Combine. Osnovnye napravleniya intensifikatsii razvitiya lesnogo kompleksa Dal' nego Vostoka: 94-96

On the value of dead trees in the woodland community. Forstarchiv 62(3): 105-107

On the variability and use of the hydraulic conductivity alpha parameter in stochastic treatments of unsaturated flow. Water Resources Research 28(1): 209-213

On the variability of some characters of the wing markings of the blue butterfly Polyommatus icarus (Lepidoptera, Lycaenidae). Vestnik Zoologii ( 6): 70-76

On the vectors of malaria in Sao Tome and Principe. Garcia de Orta Serie de Zoologia 1990; 15(2): 135-152

On the viability and cercariae producing capacity of Gyraulus convexiusculus experimentally infected with miracidia of Gigantocotyle explanatum. Indian Journal of Animal Research, 222: 111-113

On the water conservation functions of forest in the snowy mountain watershed. (4). Soil depth and soil physical properties. Bulletin of the Niigata University Forests ( 22): 51-65

On the water quality characteristics of rain and pollutant runoff after rainfall - the effect of a circulating irrigation system on water quality change in a closed basin. Bulletin of the Faculty of Agriculture, Hirosaki University ( 55): 21-38

On the way to a new ICA?. FO Lichts International Coffee Report 6(1): 1-5

On the way to aflatoxins and related structure types. Regio-controlled annulations by application of homogenous palladium catalysis, urethane tether and ortho,ortho'-diiodine effect. Tetrahedron 47(45): 9357-9368

On the way to higher production and efficiency; Burow premises for good cooperative work; Productive cooperation through extending the economic management function. Kooperation Berlin 24(1): 8-11; 12-15; 16-17

On the yield, chemical composition and nutritive value of Aruna grass for cattle. Journal of Research Assam Agricultural University 1990; 8(1-2): 50-53

On the young Yaos' lifestyle as worker and consumer in South Hunan. Sociological Studies ( 1): 58-64

On three cases of gynandromorphism in Sergentomyia minuta (Diptera, Psychodidae) from the Iberian Peninsula. Annales de Parasitologie Humaine et Comparee 64(1): 46-52

On three new trematodes of the genus Schizamphistomoides Stunkard, 1925 from Hardella thurgi (Gray) from Lucknow. Indian Journal of Helminthology 1990; 41(2): 86-95

On trypanosomes of reptiles from Chrysops silacea and C. dimidiata (Diptera: Tabanidae) in southern Congo. Annales de Parasitologie Humaine et Comparee 65(3): 149

On two fungal rots of cacao. World Journal of Microbiology & Biotechnology 7(3): 428-430

On two new caryophyllaeids from river Gomati, Lucknow, Uttar Pradesh. Indian Journal of Helminthology 42(1): 25-30

On two new species of ectoparasites of freshwater fishes belonging to the genus Neoergasilus Yin (Ergasilidae: Copepoda). Research Bulletin of the Panjab University, Science 39(3-4): 161-168

On two new species of the genus Opisthomonorcheides Parukhin, 1966 from marine fishes of Puri (Orissa) and Quilon (Kerala). Indian Journal of Helminthology 1990; 41(2): 124-130

On two species of Camallanus, C. barilii sp. nov. and C. ranae Khera, 1954 (Nematoda: Camallanidae) at Chandigarh. Rivista di Parassitologia 1988; 3 (47)(3): 399-406

On two trematodes from bats in India. Research Bulletin of the Panjab University Science, 401-2: 5-8

On urea synthesis - regulation in vivo. Danish Medical Bulletin 36(5): 415-429

On utilization of Trichogramma evanescens West. to control the lesser sugar-cane borer, Chilo agamemnon Bles. in sugar-cane fields in Egypt. 1. Pilot studies. Bulletin of the Entomological Society of Egypt, Economic Series1989 1991; ( 17): 57-62

On utilization of Trichogramma evanescens West. to control the lesser sugarcane borer, Chilo agamemnon Bles. in sugarcane fields in Egypt. 2. Proper techniques and numbers for release. Arab Journal of Plant Protection 7(2): 153-158

On what does storage quality of sugarbeet stecklings depend?. Sakharnaya Svekla: Proizvodstvo i Pererabotka (5): 26-27

On what does sugarbeet harvesting quality depend?. Sakharnaya Svekla: Proizvodstvo i Pererabotka (5): 18-20

On what does the quality of ploughing depend ?. Khlopok ( 6): 16-19

On-board testing and shape optimization of an engine mount bracket. Applied Engineering in Agriculture 6(4): 382-389

On-board weigh scales for logging trucks and loaders: an evaluation. Technical Report Forest Engineering Research Institute of Canada ( TR-91): vi + 26 pp.

On-farm adaptation trials for short-duration pigeonpea in India, 1988. International Pigeonpea Newsletter ( 10): 16-18

On-farm agroeconomic evaluation of different types of potato planting material in Egypt, 1990. Working Paper Social Sciences Department, International Potato Center ( 1991-5): 9 pp.

On-farm agroforestry research in extension programmes: methods used by BAIF in India. Agroforestry Systems 15(2-3): 203-216

On-farm agroforestry research: case study from Kenya's semi-arid zone. Agroforestry Today 2(4): 4-7

On-farm application system design and project-scale water management. Journal of Irrigation and Drainage Engineering 114(4): 622-643

On-farm applications of the Catalasemeter for routine monitoring milk quality and mastitis. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 243 (455)

On-farm broken corn levels. Applied engineering in agriculture 7(6): 741-745

On-farm computers for farm management in Sweden: potentials and problems. Agricultural Economics 5(3): 279-286

On-farm drying of large round bales. Applied Engineering in Agriculture 6(4): 418-421

On-farm embryo transfer in cattle. In Practice 13(1): 16-18, 22

On-farm evaluation of different weed management alternatives in a yam-maize intercrop. Nigerian Journal of Weed Science 3: 59-66

On-farm evaluation of some agronomic factors affecting productivity of faba bean. FABIS Newsletter ( 26): 25-26

On-farm evaluation of three bread varieties in the Wolmera red soil zone. Sixth Regional Wheat Workshop for eastern, central and southern Africa: 244-250

On-farm grain storage facilities and management practices in Kentucky. Bulletin of the Entomological Society of America 35(4): 26-32

On-farm grain storage in Australia. Agriculture and Resources Quarterly 4(2): 242-256

On-farm groundwater recharge in Saskatchewan through injection wells. Canadian Agricultural Engineering 32(1): 33-38

On-farm irrigation method at the Laoag Vintar River Irrigation System. Crop diversification in irrigated agriculture in the Philippines: proceedings National Workshop 5-7 October 1988 Cante, Philippines: 84-92

On-farm milk cooling: correct procedures. Revista Espanola de Lecheria ( 22): 19-20, 22-28, 30-32

On-farm milk processing. Lait et Nous ( 1): 6-7

On-farm mobile precooling system for tropical fruits and vegetables. Paper American Society of Agricultural Engineers ( 90-6517): 6 pp.

On-farm preparation of pig rations or their purchase as manufactured premixes. Epitheorese Zootehnikes Epistemes ( 8): 67-76

On-farm processing of plant and animal products. Energy in farm production: 267-299

On-farm research in a silvopastoral project: a case study. Agroforestry Systems 15(2-3): 245-257

On-farm research: the challenges of agroforestry. Agroforestry Systems 15(2-3): 95-110

On-farm sustainable agriculture research: lessons from the past, directions for the future. Journal of Sustainable Agriculture 1(2): 43-87

On-farm testing of feed and pasture technologies for small-scale milk production in Malawi. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 60

On-farm tests for sub-clinical mastitis. British Mastitis Conference 1991 Proceedings of the 4th British Mastitis Conference, Stoneleigh, UK, 9 October 1991: 13-19

On-farm use of computers by Florida dairy farmers. Journal of Dairy Science 74(Supplement 1): 307 (So42)

On-farm verification of four bread wheat varieties under high and farmers' weed management levels. Sixth Regional Wheat Workshop for eastern, central and southern Africa: 96-102

On-line acquisition of transpiration as a basis for ecological process control in greenhouses. Acta Horticulturae ( 304): 353-362

On-line coupled liquid chromatography/gas chromatography and its application to the analysis of sterols in edible fats and oils. Mitteilungen aus dem Gebiete der Lebensmitteluntersuchung und Hygiene 80(1): 30-41

On-line dilution, steady-state concentrations by tandem injection and merging stream. Application to inductively coupled plasma atomic emission spectrometry sequential multi-element soil analysis. Analyst 115(11): 1411-1417

On-line estimation of crystallization parameters and automatic pan feed control. International Sugar Journal 93(1112): 161-165

On-line fluorescence-monitoring of the methanogenic fermentation. Biotechnology and Bioengineering 39(11): 1151-1160

On-line matric potential sensors for irrigation control in peat-based soilless media. Acta Horticulturae (No 304): 227-235

On-line microbial detection. Dairy Industries International 56(10): 39, 41, 43

On-line monitoring of biofouling in paper machines. Biodeterioration and biodegradation 8: 370-372

On-line monitoring of pullulanase production during continuous culture of Clostridium thermosulfurogenes. Applied microbiology and biotechnology 35(4): 471-476

On-line preconcentration of triazine herbicides with tandem octadecyl capillaries-capillary zone electrophoresis. Journal of Liquid Chromatography 15(6-7): 1179-1192

On-line searching and the hospitality industry: an evaluation of databases. Journal of Hospitality and Leisure Marketing 1(1): 25-28

On-line sensors for dairy processes. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 436

On-line standardisation of milk. Milk Industry London 94(2): 22, 24-26

On-machine vision systems for the agricultural and bio-industries. Proceedings of a conference held in Montpellier, France, 3-6 September, 1991. Systemes de vision embarques pour l' agriculture et l' industrie agro alimentaire: 171pp

On-pack promotions. Milk Industry London 93(12): 20-22

On-target vaccination against rubella (German measles) carried out by the Stuttgart Public Health Authority. Offentliche Gesundheitswesen 53(4): 161-162

On-the-go application of dry and liquid herbicides with granular fertilizer. Pesticide formulations and application systems: tenth symposium: 140-141

On-the-go soil mechanical impedance measurements. Automated agriculture for the 21st century Proceedings of a conference held in Chicago, Illinois, USA, 16-17 December 1991: 300-306

Once again on desertification. Pochvovedenie (5): 5-14

Once bitten twice shy: the microbiology of bites. Reviews in Medical Microbiology 2(1): 31-36

Once-daily naftifine cream 1% in the treatment of tinea cruris and tinea corporis. International Journal of Dermatology 29(6): 441-442

Onchobothrium antarcticum sp. n. (Tetraphyllidea) from Bathyraja eatonii (Gunther, 1876) and a plerocercoid from Notothenioidea (South Shetlands, Antarctic). Acta Parasitologica Polonica, 352: 113-117

Onchocerca lienalis: comparison of techniques for the cryopreservation of microfilariae within skin-snips or free of host tissues. Journal of Helminthology 65(4): 301-309

Onchocerca volvulus, O. gutturosa, Brugia malayi, and Dirofilaria immitis: a comparative study of the immunochemical properties of cuticular proteins from filarial parasites. Experimental Parasitology, 722: 164-173

Onchocerca volvulus: application of the polymerase chain reaction to identification and strain differentiation of the parasite. Experimental Parasitology, 733: 335-344

Onchocerca volvulus: biochemical and morphological characteristics of the surface of third- and fourth-stage larvae. Experimental Parasitology, 714: 489-495

Onchocercal nodules. Annales de Pathologie 8(3): 169-174

Onchocerciasis. Lancet 351(9112): 1341-1346

Onchocerciasis - river blindness. Parasitic helminths and zoonoses in Africa: 138-203

Onchocerciasis control in Nigeria. Parasitology Today 7(5): 97-99

Onchocerciasis control in regard to PHC/BHS. Acta Leidensia 59(1-2): 383-386

Onchocerciasis in Benue State of Nigeria. VI. The prevalence and distribution of the disease among the human population in Sati-Ikyov village. Acta Leidensia 59(1-2): 51-58

Onchocerciasis in Ecuador: dermal depigmentation, 'leopard skin' and comparison with treponemal infection. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(5): 639

Onchocerciasis in Malawi. 1. Prevalence, intensity and geographical distribution of Onchocerca volvulus infection in the Thyolo highlands. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(4): 493-496

Onchocerciasis in Malawi. 2. Subjective complaints and decreased weight in persons infected with Onchocerca volvulus in the Thyolo highlands. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(4): 497-500

Onchocerciasis in Minnesota cattle. Journal of Parasitology 78(5): 808-810

Onchocerciasis in a California dog. American Journal of Tropical Medicine and Hygiene 44(5): 513-517

Onchocerciasis in members of an expedition to Cameroon: role of advice before travel and long term follow up. Bmj 304(6837): 1285-1286

Onchocerciasis in southern Sudan. Mitteilungen der Osterreichischen Gesellschaft fur Tropenmedizin und Parasitologie 11: 71-79

Onchocerciasis in the Esmeraldas province of Ecuador. Parasitic diseases: treatment and control: 263-266

Onchocerciasis in the Sierra Parima and Upper Orinoco regions, Federal Territory of Amazonas, Venezuela. Parasitic diseases: treatment and control: 231-256

Onchocerciasis infection in children born during 14 years of Simulium control in West Africa. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(3): 385-390

Onchocerciasis prevalence in Tanzania. Central African Journal of Medicine 36(4): 94-96

Onchocerciasis therapy: a long-term study in Togo using ivermectin. Mitteilungen der Osterreichischen Gesellschaft fur Tropenmedizin und Parasitologie 11: 81-88

Onchocerciasis: a review of clinical, pathologic and chemotherapeutic aspects, and vector control program. Progress in Clinical Parasitology 1: 57-103

Onchocerciasis: an overview. International Ophthalmology Clinics 30(1): 21-22

Oncidiums. American Orchid Society Bulletin 61(2): 136-145

Oncogenicity of bracken fern (Pteridium aquilinum) from Ouro Preto, Brazil, for rats fed low animal protein diets. AIAS Occasional Publication ( 40): 253-257

Oncolytic effects of fatty acids in mice and rats. American Journal of Clinical Nutrition 53(4 Suppl): 1082s-1086s

One and three dimensional evaluation of solute macrodispersion in an unsaturated sandy soil. Field scale water and solute flux in soils Proceedings, workshop, Switzerland 24-29 September 1989: 41-53

One ecosystem, one food system: the social and ecological context of food safety strategies. Journal of Agricultural and Environmental Ethics 4(1): 49-59

One enzyme makes a fungal pathogen, but not a saprophyte, virulent on a new host plant. Science 246(4927): 247-249

One explanation for F1 antiparent responses. Immunology Today 13(7): 248-250

One giant leap for cold storage. Dairy Foods 93(2): 50-51

One hour xylose test in the diagnosis of coeliac disease. Revista Medica de Chile 117(12): 1387-1392

One hundred years of Sanborn Field soil baseline data. Special Report College of Agriculture, University of Missouri (SR-415): 100-108

One hundred years of Sanborn Field: lessons to future long-term research. Special Report College of Agriculture, University of Missouri (SR-415): 109-123

One inadvertently neglected species - Trifolium bithynicum Boissier (1849). Preslia 63(1): 47-62

One industry - one market. Great changes lie ahead. Nordisk Mejeriinformation 18(1): 4-5

One man and his machine. Better Management ( 83): 13

One man's poison, another man's medicine?. Journal of Ethnopharmacology 32(1-3): 71-81

One man's poison: the glucose factor. One man' s poison: the "glucose" factor: 161 pp.

One measurement of serum total cholesterol is enough to predict future levels in healthy postmenopausal women. American Journal of Medicine 92(1): 25-28

One myth less - a leprosy project in India. En myte mindere ett spedalskhedsprojekt i Indien: 48pp.

One new and some known plant parasitic nematode species from the French Caribbean (Nemata: Tylenchina). Revue de Nematologie, 143: 389-405

One new and two known species of Tylenchida from Manipur, India. Current Nematology 2(1): 33-38

One new genus and two new species of Hemiptera (Lygaeidae, Bledionotinae, Pamphantini) from Brazil. Anales del Instituto de Biologia Serie Zoologia 59(2): 193-202

One new species of Ustilaginales. Acta Mycologica Sinica 8(3): 195-197

One of the key pests of olive crops: the olive fly (Dacus oleae). Progres Agricole et Viticole 108(22): 499-502

One of the roles of a meat inspector. Queensland Agricultural Journal 113(5): 266

One or two intermediate hosts in the life cycle of Mesocestoides (Cyclophyllidea, Mesocestoididae)?. Parasitology Research 77(8): 726-728

One perspective on spatial variability in geologic mapping. Spatial variabilities of soils and landforms Proceedings, International Symposium, Las Vegas, Nevada, 17 Oct 1989: 25-38

One rotten apple spoils the whole bushel: the role of ethylene in fruit ripening. Cell Cambridge 70(2): 181-184

One simple laboratory method for relative estimations of tractor tyres performances. Proceedings, 5th European Conference of the International Society for Terrain Vehicle Systems, held in Budapest, Hungary, 4-6 September 1991: 234-240

One solution to pool fun and revenue: inflatables. Parks and Recreation Arlington 26(2): 52-54

One step closer to auto milking. Dairy Farmer 38(9): 44, 46

One thousand years of wheat yields in France 814-1840. Comptes Rendus de l' Academie d' Agriculture de France 76(1): 91-99

One way to solve the rural energy problem in China. Food energy nexus and ecosystem Proceedings of the second international symposium on food energy nexus and ecosystem held in New Delhi, India, during 12-14 February 1986: 359-367

One world for one earth: saving the environment. One world for one earth: saving the environment: 188pp.

One year evaluation of immunogenicity conferred by a Chinese hamster ovary cell recombinant hepatitis B vaccine in a French Polynesian newborn immunization programme. Transactions of the Royal Society of Tropical Medicine and Hygiene 85(6): 783-787

One year of milking in Lelystad. Praktijkonderzoek 1991 Jaarverslag van Proefstation voor de Rundveehouderij, Schapenhouderij en Paardenhouderij: 11-12

One year's experience with alternatives to herbicide application. Obstbau Bonn 15(5): 200-206

One's own way: guidelines for the privatization of tourism accommodation. Eigen weg: leidraad voor privatisering van toeristische accommodaties: 12pp.

One- and two-dimensional moisture profiles in red oak. Wood and Fiber Science 23(3): 328-341

One-day phase I & II: mushrooms from less. Mushroom Science XIII Volume 1 Proceedings of the 13th international congress on the science and cultivation of edible fungi Dublin, Irish Re ic, 1-6 September, 1991: 165-168

One-dimensional consolidation analysis with special reference to the variability of soil parameters. Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering ( 157): 45-53

One-dimensional electrophoretic separation of gliadins in a durum wheat collection from Ethiopia. Wheat genetic resources: meeting diverse needs: 89-100, 357-358

One-pot preparation of bismuth (phosph/sulf)ated saccharides. United States Patent (US 4940786): 5 pp.

One-sided bottlebrush. Calothamnus - the 5-merous species. Australian Plants 16(127): 95-104, 108-112

One-step generation of cytoplasmic male sterility by fusion of mitochondrial-inactivated tomato protoplasts with nuclear-inactivated Solanum protoplasts. Proceedings of the National Academy of Sciences of the United States of America 89(15): 6832-6836

One-year-old seed of winter wheat and winter barley. Gron Viden ( 53): 4 pp.

Ongoing technical change on farm holdings in a developed country, France. A survey on its vectors, its nature and the farmers concerned. Agricultural Systems 38(1): 75-103

Onion cultivar yield response to onion thrips infestations. Progress Report Texas Agricultural Experiment Station ( PR-4815): 3 pp.

Onion fly egg distribution in soil: a new sampling method and the effect of two granular insecticides. Entomologia Experimentalis et Applicata, 633: 283-289

Onion germplasm interacts with sulfur fertility for plant sulfur utilization and bulb pungency. Euphytica 59(2-3): 151-156

Onion harvesting, drying and storage. Bulletin Natural Resources Institute ( 35): 65-90

Onion mosaic. Zashchita Rastenii Moskva ( 7): 23

Onion plant growth, bulb quality, and water uptake following ammonium and nitrate nutrition. HortScience: a ication of the American Society for Horticultural Science 26(8): 1061-1063

Onion planter. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva ( 5): 55

Onion seed production in Sri Lanka. Tropical Agriculture Research Series ( 23): 97-101

Onion white rot control - sterilant or stimulant?. Brighton Crop Protection Conference, Pests and Diseases 1990 Vol 1: 103-110

Onions in tropical regions. Bulletin Natural Resources Institute ( 35): 232 pp.

Onions: artificial curing system and objective quality evaluation. Agricultural engineering conference 1990 Proceedings of a conference held in Toowoomba, Australia, 11-14 November 1990: 333-337

Only a reasonable grain price increase can help. Gazdalkodas 33(12): 13-32

Only a rough legal comparison. Forderungsdienst 38(11): 318-319

Only female sorghum shoot flies in fish meal traps. Indian Journal of Plant Protection 19(1): 77-78

Only individual selection, or group selection too? On W. Fleder's 'Principles of cultivating beech stands'. Schriften aus der Forstlichen Fakultat der Universitat Gottingen und der Niedersachsischen Forstlichen Versuchsanstalt ( 96): 53 pp.

Only one world: our own to make and to keep. Only one world: our own to make and to keep: xii + 367pp.

Only spring flush leaves should be sampled for a reliable assessment of nutrients in the avocado. California Avocado Society Yearbook 73: 159-166

Only the bio-method in greenhouses: are we ready for this?. Zashchita Rastenii Moskva ( 1): 13-15

Onset of luteal activity in foaling and seasonally anoestrous mares treated with artificial light. Acta Veterinaria Scandinavica 32(3): 307-312

Onset of ovarian activity in Italian buffalo heifers. Proceedings, Third World Buffalo Congress, Varna, Bulgaria, May 1991 Volume III: 666-671

Onset of pruritogenicity of chloroquine and the implication for the timing of suppressive therapy. Journal of Clinical Pharmacy & Therapeutics 16(6): 463-466

Onset of puberty in CD-1 mouse pups exposed prenatally through weaning to endophyte-infected tall fescue seed. Theriogenology 35(5): 883-892

Onset of ulcerative colitis in a patient with colonic schistosomiasis. Journal of the Royal Society of Medicine 84(1): 46-47

Onset of vitellogenesis in female Drosophila silvestris is accelerated in the presence of sexually mature males. Journal of insect physiology 38(9): 643-650

Onset of water stress tolerance in developing Helianthus annuus embryos. Seed Science Research 1(4): 221-227

Onsite soil treatment process. United States Patent (US 5,054,961): 11 pp.

Ontario Hydro as a potential user of tree growth regulators. Journal of Arboriculture 17(4): 103-104

Ontario farmers' attitudes toward the seriousness of land degradation. Occasional Papers in Rural Extension, Department of Rural Extension Studies, University of Guelph ( 8): 39pp.

Ontogenesis and age composition of coenopopulations of Agrostis borealis Hartm. under conditions of unrestricted development. Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody, Biologicheskii 96(1): 121-129

Ontogenesis of Lymnaea in rangeland of Gansu Province. Chinese Journal of Veterinary Science and Technology ( 1): 5-7

Ontogenesis of antioxidant enzymes in pig. Polskie Archiwum Weterynaryjne 29(1-2): 77-94

Ontogenesis of spacing in Zygiella x-notata (Araneae, Araneidae): study in the laboratory and in the natural environment. Biology of Behaviour 14(4): 277-289

Ontogenetic and seasonal changes in webs and websites of a desert widow spider. Journal of Arachnology 19(1): 40-48

Ontogenetic approach to grain production in spring barley based on path-coefficient analysis. Crop science 31(5): 1179-1185

Ontogenetic change in the relationship between metabolic rate and body mass in a sea bream Pagrus major (Temminck & Schlegel). Journal of Fish Biology 38(4): 483-496

Ontogenetic changes in calcium concentration and content in pickling cucumber fruit as influenced by genotype and environment. Journal of the American Society for Horticultural Science 115(4): 555-558

Ontogenetic conditioning of the photosynthetic function in cereal crops following hybridization. Fotosintez i produktivnost' rastenii: 167-172

Ontogenetic development of the brain of the platyhelminth Fasciola hepatica. Tissue and Cell, 221: 39-50

Ontogenetic differences in the association of gustatory and tactile cues with lithium chloride and footshock. Behavioral & Neural Biology 53(3): 441-450

Ontogenetic scaling and mechanical behaviour of the tibiae of the African desert locust (Schistocerca gregaria). Journal of Experimental Biology, 168: 125-150

Ontogenetic studies from coenocyte to basidiome and their relation to phenoloxidase activity and colonization processes in Phanerochaete magnoliae. Mycological Research 95(12): 1414-1422

Ontogenetic tactics in M1 plants of different cotton varieties. Uzbekskii Biologicheskii Zhurnal ( 3): 60-62

Ontogenetic variation in activity of auxins and inhibitors in tomato varieties differing in earliness. Biologicheskii Zhurnal Armenii 43(7): 616-620

Ontogeny and activity of acid phosphatases in Anopheles stephensi Liston (Diptera: Culicidae). National Academy Science Letters 14(2): 97-101

Ontogeny and homology in the male palpus of orb-weaving spiders and their relatives, with comments on phylogeny (Araneoclada: Araneoidea, Deinopoidea). Smithsonian Contributions to Zoology ( 496): 52 pp.

Ontogeny and water use of no-tillage sorghum cultivars on dryland. Agronomy Journal 83(6): 961-968

Ontogeny of cannibalism in rangeland grasshoppers (Orthoptera: Acrididae). Journal of the Kansas Entomological Society, 624: 534-541

Ontogeny of feeding behavior of first-feeding Atlantic salmon (Salmo salar). Canadian Journal of Fisheries and Aquatic Sciences, 4810: 1896-1904

Ontogeny of foliar stomata and trichomes in mulberry (Morus L.). Current Science 58(9): 506-508

Ontogeny of gut hormones and hormone-related substances. Acta Paediatrica Scandinavica. Supplement 351: 80-87

Ontogeny of leukocyte populations in the ileal Peyer's patch of sheep. Developmental and Comparative Immunology 16(2/3): 229-241

Ontogeny of primary resin canals in young Pinus pinaster. Canadian Journal of Botany 68(10): 2119-2126

Ontogeny of taurocholate accumulation in the terminal ileal mucosal cells of young chicks. Poultry Science 71(2): 367-372

Ontogeny of the endogenous stimulatory rhythm regulating prolactin secretion in immature female rats. Endocrinology 128(3): 1481-1484

Ontogeny of the interfascicular cambium in the hypocotyl of Ricinus communis L. IAWA Bulletin 10(3): 347

Ontogeny of the larval stage of Sabethes chloropterus, with special reference to setal development and phylogenetic implications for the family Culicidae (Diptera). Mosquito Systematics, 231: 10-24

Ontogeny of trichomes in taxa of genus Plantago L. subgenus Plantago. Acta Societatis Botanicorum Poloniae 60(3-4): 249-258

Ontogeny, distribution and structure of aggregated lymphoid follicles in the large intestine of sheep. Developmental and comparative immunology 15(4): 413-422

Onyalai at Rundu, Namibia 1981-1988: age, sex, morbidity, mortality and seasonal variation of 612 hospitalized patients. Transactions of the Royal Society of Tropical Medicine and Hygiene 84(4): 605-607

Onychomycosis and AIDS. Clinical and laboratory findings in 62 patients. International Journal of Dermatology 29(5): 337-339

Onychomycosis and AIDS: treatment with topical ciclopirox olamine. International Journal of Dermatology 29(3): 233

Onychomycosis in a 10-week-old infant. Archives of Dermatology 126(10): 1371-1371

Onychomycosis in a newborn due to Candida albicans with neonatal infection. Annales de Dermatologie et de Venereologie 119(3): 213-215

Onychomycosis in patients carrying the AIDS virus. Anais Brasileiros de Dermatologia 66(3): 113-116

Onychomycosis of the toenails caused by Chaetomium globosum. Journal of the American Academy of Dermatology 26(5 part 1): 775-776

Onychomycosis treated with itraconazole or griseofulvin alone with and without a topical antimycotic or keratolytic agent. International Journal of Dermatology 30(8): 586-589

Onychomycosis: an alternative local therapy. Medicina Cutanea Ibero Latino Americana 19(4): 209-214

Oochoristica truncata (Cestoda) infestation of Agama aculeata and A. planiceps (Reptilia: Agamidae) in the Windhoek area. Madoqua, 181: 55

Oocyte maturation and sperm transport in superovulated cattle. Theriogenology 35(1): 91-108

Oocyte maturation in protandrous black porgy, Acanthopagrus schlegeli, stimulated by enclomiphene and luteinizing hormone releasing hormone analogue. Bulletin of the Institute of Zoology Academia Sinica (Taipei): 293: 173-179

Oocyte maturation, in vitro fertilization and culture system for developing preimplantation swamp buffalo embryos using frozen thawed semen. Buffalo Journal 7(2): 189-198

Oocyte production and ovarian steroid concentrations of immature rats in response to some commercial gonadotrophin preparations. Reproduction, Fertility, and Development 2(6): 671-682

Oogenesis and deposition of larvae by Varroa jacobsoni. Schweizerische Bienen Zeitung 114(8): 447-450

Oogenius castilloi sp. nov. (Coleoptera: Scarabaeidae). Revista Chilena de Entomologia, 18: 9-11

Oomycete fungi for vector control: current status and prospects. Proceedings and abstracts, Vth International Colloquium on Invertebrate Pathology and Microbial Control, Adelaide, Australia, 20-24 August 1990: 94-96

Oophoritis in a dog with abnormal corpus luteum function. Veterinary Record 128(14): 333-334

Ooplasmic pH and electrical properties of developing locust (Locusta migratoria) eggs. Journal of Insect Physiology 38(7): 493-502

Opal cutans in the profile of mountain tundra sod soil in the extreme north-east of the USSR. Moscow University Soil Science Bulletin 45(2): 12-17

Opalinidae in African Anura. II. Genera Protozelleriella n. g. and Zelleriella. Systematic Parasitology 19(3): 159-185

Opaque-2 endosperm suspension cultures. Maize Genetics Cooperation News Letter ( 64): 86

Open agricultural markets and trade foster development of LDC's. Journal of International Food and Agribusiness Marketing 3(4): 5-24

Open air folklore museum, its past, present and future. Dunakanyar 26(1): 63-64

Open air rearing of calves (in group boxes) after weaning. Metodiky pro Zavadeni Vysledku Vyzkumu do Zemedelske Praxe ( 15): 27pp

Open and random prospective comparison of a single oral dose of 800 mg of pefloxacin and a 10-day course of co-trimoxazole in the treatment of chancroid in Senegal. Medecine d' Afrique Noire 38(6): 470-472, 475

Open antebrachiocarpal luxation in a greyhound. Journal of Small Animal Practice 32(9): 474-476

Open circuit fluid power drive for round balers. Paper American Society of Agricultural Engineers ( 91-1597): 16pp

Open cities: a real option?. Recreatie 28(3): 10-11

Open economies: structural adjustment and agriculture. Open economies: structural adjustment and agriculture: xxi + 320pp.

Open injuries of the synovial cavities in horses. Pferdeheilkunde 7(6): 311-319

Open intestinal anastomosis with surgical stapling equipment in 24 dogs and cats. Veterinary Surgery 20(6): 385-391

Open nasal cavity and frontal sinus treatment of chronic canine aspergillosis. Veterinary Surgery 20(1): 43-48

Open nucleus breeding schemes - new challenge for the developing countries. Animal Science Papers and Reports Polish Academy of Sciences, Institute of Genetics and Animal Breeding Jastrzebiec ( 6): 7-12

Open nucleus breeding schemes for small pedigree breed societes. Animal Science Papers & Reports (6): 67-74

Open nucleus breeding systems workshop. Animal Science Papers & Reports (6): 85-94

Open peritoneal drainage versus sump-Penrose drainage: clinicopathological effects in normal dogs. Journal of the American Animal Hospital Association 27(1): 115-121

Open spaces and urban forestry in Italy. Cellulosa e Carta 41(2): 30-34

Open-air cultivation of agaves in southwestern Germany. Cactus and Succulent Journal 63(6): 307-310

Open-air fumigation of winter barley with sulphur dioxide: effects on growth of the flag leaf and enzymes of photosynthetic carbon metabolism. Agriculture, Ecosystems and Environment 33(3): 293-308

Open-air rearing of Amblyseius. Zashchita Rastenii Moskva ( 6): 22

Open-ended mineralogical/textural rock classification. Computers and Geosciences 17(10): 1409-1463

Open-tank treatment by Standard TGL 36932/01. Holztechnologie 30(5): 268-269

Opening active communication between agency and people's irrigation associations through the farmer as social organizer in jointly managed irrigation systems. Role of social organizers in assisting farmer managed irrigation systems Proceedings, regional workshop, Khan Kaen, Thailand 15-20 May 1989: 125-131

Opening agricultural markets: implications for developing countries. Canadian Journal of Agricultural Economics 37(4 (II)): 1265-1275

Opening and servicing an account from a United Kingdom viewpoint. Agricultural futures and options: a guide to using North American and European markets: 145-151

Opening closed gates: recognizing the social nature of irrigation artefacts. Irrigators and engineers: essays in honour of Lucas Horst: 53-63

Opening doors and minds. Lodging 17(9): 12-15

Opening of the palatinit-installation at Offstein. Zuckerindustrie 116(8): 736-737

Opening the box: unlocking the tourism potential of the former Soviet states. Leisure Studies Association Newsletter ( 32): 15-25

Opening the marketplace to small enterprises: where magic ends and development begins. Opening the marketplace to small enterprises: where magic ends and development begins: 155pp.

Opening up of beech /fir /spruce forests with a secondary forest road network. Radovi Sumarskog Fakulteta i Instituta za Sumarstvo u Sarajevu 1977; 21(1-2): 65-97

Opening up of pine and oak forests by a secondary forest road network. Radovi Sumarskog Fakulteta i Instituta za Sumarstvo u Sarajevu 1979; 22(5-6): 91-122

Opening up of the economy and growth of regional agroindustry. Revista Argentina de Economia Agraria 3: 191-222

Opening windows on an interpretive leisure studies. Journal of Leisure Research 22(4): 303-308

Openings for agricultural engineering in the USSR. Bulletin Technique du Machinisme et de l' Equipement Agricoles ( 58): 45-46

Operability and location of Wisconsin's timber resource. General Technical Report North Central Forest Experiment Station, USDA Forest Service ( NC-134): 42 pp.

Operating a diesel irrigation pump on citrus-wood producer gas. Applied Engineering in Agriculture 6(4): 376-381

Operating cost analysis for transporting fodder. Mechanizacija ir Elektrifikacija, Mokslo Darbai ( 22): 88-97

Operating costs of agricultural machines. Macchine e Motori Agricoli IMA Il Trattorista 48(3): 127-136

Operating developments in tourism and recreation 1986-90. De bedrijfsontwikkeling in toerisme en recreatie 1986-1990: 117pp.

Operating experience of a revamped primary reformer at IFFCO-Phulpur unit. Fertiliser News 36(11): 19-21

Operating mechanisms of p.t.o.-driven seedbed preparation implements using the example of a spiked rotary cultivator and a rotary harrow. Forschungsbericht Agrartechnik des Arbeitskreises Forschung und Lehre der Max Eyth Gesellschaft MEG ( 150): 140pp

Operating possibilities for reducing tuber injuries and quality protection. XXX Georgikon Napok az Europai Burgonyakutatasi Szovetseg EAPR Burgonyafelhasznalasi Szekcioja reszvetelevel A burgonya tarolasa es feldolgozasa Storage and utilization of potato 1988 augusztus 30-31:

Operating problems of an aerobic-thermophilic sludge stabilization plant for 180 000 PE and their solution. Korrespondenz Abwasser 38(8): 1074-1078

Operating results of grain strippers compared with conventional cereal headers. Mechanisierung der Prozesse der Getreideproduktion: 154-156

Operating results of the new Rota-Jet waste gas purification process. Zuckerindustrie 117(10): 815-820, 822

Operation Flood and the rural poor. Resources, institutions and strategies: Operation Flood and Indian dairying: 229-255

Operation Flood in Rajasthan: replication and institutional issues in a regional context. Resources, institutions and strategies: Operation Flood and Indian dairying: 116-129

Operation Flood: a technological perspective. Moving Technology 5(5): 7-11

Operation Flood: constraints and potentialities in Saurashtra. Resources, institutions and strategies: Operation Flood and Indian dairying: 97-115

Operation Flood: impact on the Delhi milk market. Resources, institutions and strategies: Operation Flood and Indian dairying: 356-383

Operation Flood: the third phase. Dairy India 1992: 75-80

Operation Safeguard and Manage the Forests-West Coast (SAF-CO Morondava). First phase: survey of the environment. Akon' ny Ala ( 5): 14-21

Operation analysis of tractors of farmers own construction as an energetic means in agriculture. Roczniki Nauk Rolniczych Seria C, Technika Rolnicza 78(3): 227-235

Operation and maintenance of the Laoag Vintar River Irrigation System and the Bonga Pump No. 2. Crop diversification in irrigated agriculture in the Philippines: proceedings National Workshop 5-7 October 1988 Cante, Philippines: 272-274

Operation and maintenance, planning and management. Land Drainage; Proceedings of the 4th International Drainage Workshop, Cairo, Egypt: 149-154

Operation and management of the Waiboerhoeve Farm. Praktijkonderzoek 1990 Jaarverslag van Proefstation voor de Rundveehouderij, Schapenhouderij en Paardenhouderij: 29-34

Operation and management of the Waiboerhoeve farm. Praktijkonderzoek 1991 Jaarverslag van Proefstation voor de Rundveehouderij, Schapenhouderij en Paardenhouderij: 29-35

Operation conditions of clamping conveyor in flax harvester. Traktory i Sel' skokhozyaistvennye Mashiny ( 6): 22-24

Operation diagrams for irrigation management. Agricultural Water Management 18(4): 289-300

Operation experiences with biological phosphorus removal at the sewage treatment plants of Berlin (West). Water Science and Technology 24(7): 133-148

Operation of Banga River Irrigation System. Crop diversification in irrigated agriculture in the Philippines: proceedings National Workshop 5-7 October 1988 Cante, Philippines: 268-269

Operation of a field scale anaerobic digester on a swine farm. Applied Engineering in Agriculture 6(6): 771-776

Operation of a film hothouse with water circulation. Problems of Desert Development ( 2): 89-93

Operation of an efficient site-specific recombination system of Zygosaccharomyces rouxii in tobacco cells. Nucleic Acids Research 19(23): 6373-6378

Operation of attachment to drills for small seeds. Tekhnika v Sel' skom Khozyaistve ( 3): 54-56

Operation of flax pulling apparatus with transverse passes. Traktory i Sel' skokhozyaistvennye Mashiny (5): 28-31

Operation of irrigation system. Proceedings International Commission on Irrigation and Drainage Special Technical Session, Beijing, China Vol 1 B Operation of irrigation systems: 14-38

Operation of irrigation systems in India. Proceedings International Commission on Irrigation and Drainage Special Technical Session, Beijing, China Vol 1 B Operation of irrigation systems: 1-13

Operation of milk recording with 11 recordings in the year taking consideration of annual leave. Performance recording of animals: state of the art 1990: 149-151, 191

Operation of shading screens based on canopy temperature. Gartenbauwissenschaft 55(3): 122-125

Operation of single-shaft mixers. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva ( 11): 20-22

Operation of the first bi-alcohol tractor in Switzerland. Landwirtschaft Schweiz 2(10): 619-623

Operation of the phosphorus, sulphur and nitrogen cycles. Australia' s renewable resources: sustainability and global change International Geosphere Biosphere Programme Australia Planning Workshop No 14, Oct 3-4-1990: 67-116

Operation of the swirl burner firing system at Farleigh Mill. Proceedings of the Australian Society of Sugar Cane Technologists ( 13): 230-236

Operation quality laboratory control of pulsators PMJ and BPM-342 by means of pulsometer 03. Acta Technologia Agriculturae 31: 77-86

Operation, maintenance, financing and management. Land Drainage; Proceedings of the 4th International Drainage Workshop, Cairo, Egypt: 79-86

Operational and economic problems of cattle breeding in view of changing market needs. Zemedelska Ekonomika 37(9/10): 587-598

Operational aspects of a MOET nucleus dairy breeding scheme. Proceedings of the 4th World Congress on Genetics applied to Livestock Production, Edinburgh 23-27 July 1990 XIV Dairy cattle genetics and breeding, adaptation, conservation: 259-262

Operational aspects of progeny testing of bulls. Livestock Adviser 16(11): 32-37

Operational assessment of a multipurpose pneumatic separator. Sbornik Nauchnykh Trudov Razrabotka i Sovershenstvovanie Rabochikh Organov Sel' skokhozyaistvennykh Mashin: 3-7

Operational assessment of the distribution drum of an organic fertilizer spreader. Sbornik Nauchnykh Trudov Optimizatsiya Mashinno Traktornogo Parka: 52-57

Operational control of technological parameters using microcomputers during the main phases of particleboard manufacture. Przemys Drzewny 38(11): 8-10

Operational determination of the degree of exhaustion of molasses. Sakharnaya Svekla: Proizvodstvo i Pererabotka ( 5): 56-58

Operational effectiveness of 1-octen-3-ol baited New Jersey light traps. Journal of the Florida Mosquito Control Association 62(2): 72-73

Operational efficiency of machines for application of solid organic fertilizers. Traktory i Sel' skokhozyaistvennye Mashiny ( 1): 24-26

Operational experience with an anoxic selector treating rendering-plant wastewaters. Water Science and Technology 24(7): 1-7

Operational experiences of a ventilation control in tower silos. Mezogazdasagi Technika 31(6): 10-11

Operational experiences of automatics on choppers. Jarmuvek, Mezogazdasagi Gepek 38( 5): 159-160

Operational experiences with NP-NPK granulation at Coromandel Fertilisers Limited-India. Special ication, International Fertilizer Development Center, USA (SP-15): 21-26

Operational experiences with a large-scale fermenter for continuous production of ethanol. Dechema Biotechnology Conferences ( 2): 297-307

Operational flexibility of the LCA process. Ammonia Plant Safety and Related Facilities 30: 152-160

Operational impact of training and visit extension in Andhra Pradesh. Journal of Rural Development Hyderabad 8(6): 627-643

Operational issues in developing AID policy reform programs. AID Program Evaluation Discussion Paper: ( 28)

Operational measures of reducing ammonia emissions from animal housing. Ammoniak in der Umwelt Kreislaufe, Wirkungen, Minderung Proceedings of a conference held in Braunschweig, Germany, 10-12 October 1990: 23 pp.

Operational methods of Voivodship Centres for Agricultural Progress. Wies Wspoczesna 33(9): 87-91

Operational open marsh water management at Prime Hook National Wildlife Refuge, Delaware. Proceedings Annual Meeting, New Jersey Mosquito Control Association, Inc 77: 50-52

Operational projections of probable drought severity. 19th conference agricultural and forest meteorology and ninth conference biometeorology and aerobiology, March 7-10, 1989, Charleston, South Carolina: 70-74

Operational quality control of technological processes with mobile agricultural machinery combinations, using microprocessors. Mechanisierung der Prozesse der Getreideproduktion: 59-60

Operational readiness of a KRN-5.6A cultivator. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva ( 4): 39-41

Operational readiness of combine drills. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva ( 3): 7-9

Operational readiness of tractor equipment. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva ( 7): 36-39

Operational reliability of SZ-3.6 drills. Trudy Latviiskoi Sel' skokhozyaistvennoi Akademii ( 267): 93-97

Operational reliability of cotton cultivators. Traktory i Sel' skokhozyaistvennye Mashiny ( 11): 34-35

Operational reliability of small-sized tractors and the status of their maintenance in China. Agricultural engineering and rural development Proceedings of a conference held in Beijing, China on 12-14 October l992 Vol1: II-77-81

Operational research need in guineaworm eradication programme. Journal of Communicable Diseases 22(4): 236-242

Operational soil moisture estimation for the midwestern United States. Journal of Applied Meteorology 29(11): 1158-1166

Operational strategies for irrigation associations in Korea: financial aspects. Journal of Rural Development Seoul 12(1): 81-141

Operational strategies for predenitrification process. Journal of Environmental Engineering 118(1): 56-67

Operations and control in wastewater treatment - some Swedish experiences. Water Science and Technology 24(6): 193-200

Operations for maintenance of lawns. Macchine and Motori Agricoli IMA Il Trattorista 50(5): 19-24

Operations planning and choice of instruments and equipment for problems of an agricultural complex. Soviet Agricultural Sciences ( 4): 51-55

Operations research and management in fishing. Operations research and management in fishing: x + 340pp.

Operative reliability of control automatics of a stationary feeding line with overhead transporters for dairy cows. Acta Universitatis Agriculturae, Facultas Agroeconomica 24(1-2): 171-178

Operative treatment of Fusarium fungal infection of the lung. Annals of Thoracic Surgery 49(6): 991-992

Operator exposure to agrochemical sprays. Richardson, M L (Ed ) Chemistry, Agriculture And The Environment Xiv+546p The Royal Society Of Chemistry: Cambridge, England, Uk Illus Maps 459-465

Operator presence system for cotton pickers. Proceedings, Beltwide Cotton Production Conference: 77-78

Ophelimus eucalypti: a recently introduced gall-making insect on eucalypts. New Zealand Tree Grower 10(2): 26-27

Ophiostoma novo-ulmi sp. nov., causative agent of current Dutch elm disease pandemics. Mycopathologia 115(3): 151-161

Ophthalmic dirofilariasis. Annals of Ophthalmology 22(7): 273-275

Ophthalmitis due to Aspergillus fumigatus following corneal transplantation. Journal de Mycologie Medicale 2(2): 99-102

Ophthalmomyiasis caused by the reindeer warble fly larva. Journal of Clinical Pathology 44(4): 276-284

Ophthalmomyiasis during Operation Desert Shield. Military Medicine 156(8): 438-439

Ophthalmomyiasis in an eyelid reconstruction. American Journal of Ophthalmology 109(1): 101-102

Ophthalmomyiasis interna lentis. Southern Medical Journal 83(8): 963-965

Opiate dependence and tolerance in oxytocinergic neurones. Biomedical Research 10(Supplement 3): 95-106

Opiate stimulation of prolactin secretion is reversed by ovarian hormone treatment. Neuroendocrinology 56(2): 195-203

Opine enhancement of vir gene induction. United States Patent: (US 4 954 442)

Opine transport genes in the octopine (occ) and nopaline (noc) catabolic regions in Ti plasmids of Agrobacterium tumefaciens. Journal of Bacteriology 174(3): 841-849

Opinion leaders' knowledgeability and source credibility as communicators of technical advice. Bangladesh Journal of Training and Development 4(2): 61-66

Opinion leadership and sources of consultation for farmers in Wadi-Aldawaser, Kingdom of Saudi Arabia. Annals of Agricultural Science Cairo 34(2): 1279-1301

Opinion of municipal council managers on the tourist functions, their position and development possibilities in the villages. A tanacsi vezetok velemenye az idegenforgalmi udulesi funkciok helyzeterol es fejlesztesi lehetosegerol: 14pp.

Opinion of the EC-Commission on Austria's application for membership. Forderungsdienst 39(9): p.251

Opinions in small animal anesthesia. Veterinary Clinics of North America. Small Animal Practice 22(2): 245-496

Opinions of women and girls regarding recreation in the family. Liikunnan ja Kansanterveyden Julkaisuja ( 66): 500-511

Opinions on cotton hybrid, breeding and situation in Thailand. Technical Report Field Crops Research Institute Bangkok ( 3): 27 pp.

Opioid control of growth hormone in the suckled sow is primarily mediated through growth hormone releasing factor. Domestic Animal Endocrinology 7(2): 191-198

Opioid effects on intake of sweet solutions depend both on prior drug experience and on prior ingestive experience. Appetite 15(1): 23-32

Opioid modulation of gonadotropin and prolactin secretion in domestic farm animals. Domestic Animal Endocrinology 8(1): 15-28

Opioid peptides derived from in vitro proteolysis of whey proteins. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 171

Opioid peptides derived from in-vitro proteolysis of bovine whey proteins. International Dairy Journal 1(4): 215-229

Opioid receptor subtype involvement in maternal behavior in lactating rats. Neuroendocrinology 53(5): 487-492

Opioid systems and magnetic field effects in the land snail, Cepaea nemoralis. Biological Bulletin (Woods Hole) 180.2: 301-309

Opioidergic control of gonadotrophin secretion in the prepubertal gilt during restricted feeding and realimentation. Journal of Reproduction and Fertility 91(1): 277-284

Opisthorchiasis and alcoholism: clinical, epidemiological, social and psychiatric studies. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 1): 44-46

Opisthorchiasis in the Chernigov region (status, control measures and prophylaxis). Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 4): 21-22

Opisthorchiasis in the Tobol'sk Region according to post- mortem data for 1950-1987. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 5): 10-13

Opisthorchiasis in the Vyatka Basin and the upper Kama River. Veterinariya Moskva (4): 39-41

Opisthorchiasis, the pancreas, and sugar diabetes. Meditsinskaya Parazitologiya i Parazitarnye Bolezni ( 2): 55-57

Opisthorchis viverrini and cholangiocarcinoma in northeast Thailand. Parasitology Today 8(3): 86-89

Opisthorchis viverrini: finding and recognition of the fish host by the cercariae. Experimental Parasitology, 714: 422-431

Oplostomus fuligineus (Coleoptera: Scarabaeidae): life cycle and biology under laboratory conditions, and its occurrence in bee hives. Coleopterists Bulletin, 432: 177-182

Opportunist infections and malignant neoplasia in AIDS. Antibiotiki i Khimioterapiya 36(5): 45-48

Opportunistic fungal infections in patients with acquired immune deficiency syndrome. ChemoTherapy 38 Suppl 1: 35-42

Opportunistic infections and malignancies in 231 Danish AIDS patients. Aids 4(3): 233-238

Opportunistic infections and their complications in HIV infection and AIDS.American Lung Association. American Thoracic Society. s. 1991 International Conference. May 12-15, 1991, Anaheim, CA, USA. American Review of Respiratory Disease 143(4, II, Supplement): A711-A718

Opportunistic infections in HIV-infected patients. Canadian Journal of Infectious Diseases 3(2): 82-87

Opportunistic infections in cancer patients. Japanese Journal of Medical Mycology 33(2): 89-100

Opportunistic infections in the acquired immunodeficiency syndrome. Seminars in Oncology 17(3): 335-349

Opportunistic infections with Strongyloides stercoralis in renal transplantation. Reviews of Infectious Diseases 12(4): 653-671

Opportunistic lung infection due to Fusarium moniliforme in an AIDS patient. Revista Iberica de Micologia 6(3): 144-147

Opportunistic mycoses - some priorities for the 90s. New Zealand Medical Journal 104(921): 420

Opportunistic mycoses in the immunocompromised host: experience at a cancer center and review. Clinical Infectious Diseases 14 Suppl 1: S43-S53

Opportunistic parasitic infections in Africa. Clinical features and diagnosis. Annales de Parasitologie Humaine et Comparee 65(Supplement I): 45-47

Opportunistic protozoan infections in human immunodeficiency virus disease: review highlighting diagnostic and therapeutic aspects. Journal of Clinical Pathology 44(3): 182-193

Opportunities and challenges for Andean agriculture. Revista Nacional de Agricultura Bogota ( 896): 164-184

Opportunities and limitations for agricultural production from irrigation schemes and in kitchen gardens in the Senegal River Valley from a marketing perspective. Design for sustainable farmer managed irrigation schemes in sub Saharan Africa, Volume 2: 19 pp.

Opportunities and pitfalls of international futures markets trading by developing countries: the case of Zaire coffee exports. Journal of International Food and Agribusiness Marketing 3(1): 19-31

Opportunities and problems in forestry and the wood industry in the unified Germany from the standpoint of the German Forestry Council. Forstarchiv 62(2): 43-45

Opportunities and risks in cattle breeding in a united Europe. Fears and hopes from a practical point of view. Zuchtungskunde 62(6): 417-421

Opportunities and risks in the European particleboard market. Holz als Roh und Werkstoff 50(1): 11-17

Opportunities and risks in the tourism and leisure market. Amusement Industrie 22(84): 17-19

Opportunities and risks of modern biotechnology for the dairy industry. Deutsche Milchwirtschaft Hildesheim 40(17): 541-547

Opportunities for British food suppliers: the Strathclyde Food Project. Journal of the Royal Agricultural Society of England 53: 35-39

Opportunities for and constraints on the reduction of herbicide costs on a heavy land arable farm - long term considerations. Proceedings of the Brighton Crop Protection Conference, Weeds (Vol. 1): 121-128

Opportunities for biotechnology in the dairy industry - non-starter aspects. Proceedings of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol 2: 1676-1690

Opportunities for combining wood with nonwood materials. Proceedings of the twenty third Washington State University International Particleboard/Composite Materials Symposium, April 4, 5, 6, 1989: 141-157

Opportunities for control of insects in arable crops using semiochemicals and other unconventional methods. British Crop Protection Council Brighton Crop Protection Conference: Pests And Diseases, , Vols 1, 2 And 3; International Conference, Brighton, England, Uk, November 19-22, Xxii+396p (Vol 1); Xxii+482p (Vol 2); Xxii+386p (Vol 3) British Crop Protection: Farnham, England, Uk Illus Maps Paper 487-496

Opportunities for exotic fruits. Agricultural Science 3(5): 21-25

Opportunities for future diversification of the coconut industry. Oleagineux 45(11): 505-510

Opportunities for improvement in sheep and beef cattle production in the south east of South Australia. Proceedings of the Australian Society of Animal Production 18: 404-407

Opportunities for innovation in the dairy industry. Milchwirtschaftliche Berichte aus den Bundesanstalten Wolfpassing und Rotholz ( 94): 9-15

Opportunities for regional and international cooperation in the Nile basin. Water International 17(3): 144-154

Opportunities for whey & permeate powders. CSIRO Food Research Quarterly 51(1-2): 29-31

Opportunities in India's marine sector. INFOFISH International ( 1/91): 24-29

Opportunities in basic soil science research. Sposito, G And R J Reginato (Ed ) Opportunities in Basic Soil Science Research Xx+109p Soil Science Society Of America, Inc : Madison, Wisconsin, Usa Illus Paper Xx+109p

Opportunities in the United States for training in biotechnology for parasitic disease investigations. Yonsei Reports on Tropical Medicine 20: 107-112

Opportunities in veterinary technology. Opportunities in veterinary technology: 143 pp.

Opportunities on the frontiers of sugar processing technology: a brief review. SISSTA Sugar Journal 16(3): 18-22

Opportunities with somatotropin in America and Europe - evaluation of an official US document. Land, Agrarwirtschaft und Gesellschaft 8(2): 205-231

Opportunity costs of regional income redistribution: evidence from reforestation investments in British Columbia. Canadian Journal of Forest Research 22(4): 525-533

Opportunity for non-random mating and components of offspring fitness in the flour beetle, Tribolium confusum. Animal Behaviour 40.2: 408-409

Opportunity pops for heat-stable cheese. Prepared Foods 160(2): 71

Opportunity-threat, development, and adaptation: toward a comprehensive framework for social impact assessment. Rural Sociology 57(2): 216-234

Opposing effects of strychnine and brucine on the germination and growth of lettuce seeds. Journal of Plant Growth Regulation 9(2): 95-96

Opposing viewpoints on efficacy of ultrasonic flea collars. Journal of the American Veterinary Medical Association 196(9): 1354-1355

Opposite effects of cholestyramine and loxiglumide on gallbladder dynamics in humans. Gastroenterology 102(2): 633-639

Opposite effects of variations in food intake on carbohydrate and fat oxidation in ad libitum fed mice. Journal of Nutritional Biochemistry 2(4): 186-192

Opposite imprinting of the mouse Igf2 and Igf2r genes. Trends in Genetics 7(4): 107-108

Opposite influences of host anaemia on blood feeding rate and fecundity of mosquitoes. Parasitology 105: 159-163

Opposite the Savoyai castle. Dunakanyar 25(3): 60-61

Opposite variations of two epididymal components and blood plasma testosterone in two breeds of rams. Comparative Biochemistry & Physiology A 99A(1-2): 173-178

Opsin of Calliphora peripheral photoreceptors R1-6. Homology with Drosophila Rh1 and posttranslational processing. Journal of Biological Chemistry 265(29): 17906-17910

Opsonic activity in mammary secretion and serum of gilts during the lactation period. Journal of Veterinary Medicine Series B 39(4): 285-289

Opsonic activity of bovine serum and mammary secretion after Escherichia coli J5 vaccination. Journal of Dairy Science 75(1): 72-77

Opsonization as an effector mechanism in human protection against asexual blood stages of Plasmodium falciparum: functional role of IgG subclasses. Research in Immunology 141(6): 529-542

Opsonization of Streptococcus agalactiae of bovine origin by complement and antibodies against group B polysaccharide. Infection and Immunity 60(11): 4801-4808

Opsonization of a heterologous Escherichia coli with serum from Escherichia coli J5 vaccinated cows. Journal of Dairy Science 74(Supplement 1): 168

Opsonyssus indicus Fain (Acari: Gastronyssidae) on the eye of Pteropus scapulatus Peters (Chiroptera: Pteropodidae). Journal of the Australian Entomological Society, 301: 48

Optic neuritis due to Aspergillus infection. Neuro Ophthalmology 11(4): 183-187

Optical activity of the background caused by sheep organ tissue extracts and its effect on spectrophotometric determination of the herbicide bentazone. Fresenius' Journal of Analytical Chemistry 339(6): 436-440

Optical analysis of impurity absorptions. United States Patent (US 4755048): 9 pp.

Optical and electron microscopy applied to bone marrow from calves given small amounts of lead over a long time. Licht und elektronenmikroskopische Untersuchungen des Knochenmarkes von Kalbern nach chronischer Belastung mit geringen Bleimengen: 87 pp.

Optical and electron microscopy of canals in the distal sesamoid bone of horses with navicular disease. Pferdeheilkunde 8(1): 15-21

Optical and electron microscopy of endocrine cells in the small intestinal epithelium of calves. Licht und elektronenemikroskopische Untersuchungen endokriner Zellen am Dunndarmepithel von Kalbern: 149 pp.

Optical and electron microscopy of the kidneys of dogs naturally or experimentally infected with Leishmania (Leishmania) chagasi. Revista do Instituto de Medicina Tropical de Sao Paulo 31(3): 139-145

Optical detection of bruises and early frost damage on apples. Transactions of the ASAE 34(3): 1004-1009

Optical device for measuring the fat contents of milk. European Patent Application (EP 0 404 732 A1): 4 pp.

Optical enumeration technique for detection of baculoviruses in the environment. Environmental Entomology 21(2): 307-313

Optical macroscopy of wood-based structural materials. Revista Forestal Baracoa 20(1): 113-118

Optical properties of achlorophyllous and green leaves. Flora (Jena) 185(1): 39-46

Optical properties of damaged soybean seeds. Paper American Society of Agricultural Engineers ( 90-6578): 11 pp.

Optical properties of the olive trees: from the leaf to the canopy and its surroundings. Acta Horticulturae ( 286): 315-318

Optical properties of vegetation canopies. Applications of remote sensing in agriculture: 19-43

Optical properties of white reflective mulch versus their composition and cost. Proceedings of the 11th international congress on the use of plastics in agriculture, New Delhi, India, 26 February 2nd March 1990: G25-G30

Optical range-finding using the Walsh transform. Paper American Society of Agricultural Engineers ( 90-7048): 16pp.

Optical reflectance sensor for detecting plants. Proceedings International Society for Optical Engineering 1379: 222-235

Optics in agriculture. Proceedings of a conference, Boston, Massachusetts, USA, 7-8 November 1990. Proceedings International Society for Optical Engineering 1379: 255pp.

Optilait - a renewal of technical support. Production Laitiere Moderne ( 191): 26-27

Optimal PK fertilizer application in extensive grassland utilization on lowland bog soil. Wirtschaftseigene Futter 37(1-2): 79-92

Optimal age of inoculation of Phytophthora parasitica var. nicotianae in Nicotiana tabacum. Ciencia y Tecnica en la Agricultura, Tabaco 11(2): 7-14

Optimal and toxic levels of elements for the cultivation of microalgae. 6th International Trace Element Symposium Volume 1: 251-255

Optimal borrowing in the case of risky investments. Agrarwirtschaft 40(5): 148-153

Optimal clear-area sawing patterns for furniture and millwork blanks. Forest products journal 40(3): 51-56

Optimal collecting can spacings in irrigation sprinkler testing. Irrigation and Drainage Systems 4(3): 249-265

Optimal concentration of sucrose for head cabbage (Brassica oleracea L. convar. capitata (L.) Alef.) anther culture. Euphytica 52(2): 125-129

Optimal concentrations of nitrate in cornstalks at maturity. Agronomy Journal 84(5): 881-887

Optimal conditions for directly sequencing double-stranded PCR products with sequenase. Nucleic Acids Research 18(13): 4028-4028

Optimal conditions for in vitro mitogen-induced proliferation of peripheral blood lymphocytes in breeding foxes. Veterinary Immunology and Immunopathology, 291-2: 183-188

Optimal conditions for increasing the digestibility of wheat straw by means of treatment with anhydrous ammonia and calcium hydroxide. Veterinaria Mexico 21(1): 9-15

Optimal conditions for production of deoxynivalenol in liquid medium by isolates of Fusarium graminearum. Acta Agriculturae Shanghai 7(supplement): 50-59

Optimal conditions for production of deoxynivalenol in liquid medium by the isolates of Fusarium graminearum. Journal of Toxicology, Toxin Reviews 9(1): 102

Optimal conditions for the production of Aspergillus fumigatus, A. niger and A. flavus antigens for the serological diagnosis of aspergillosis. Revista Mexicana de Micologia 5: 261-271

Optimal control applied to peanut irrigation management. Paper American Society of Agricultural Engineers ( 91-2129): 15 pp.

Optimal control for plant production in greenhouses. Mathematical and control applications in agriculture and horticulture Proceedings of the IFAC/ISHS workshop held in Matsuyama, Japan, 30 September 3 October 1991: 1-6

Optimal control for scheduling final harvest in even-aged forest stands. Forest Ecology and Management 46(1-2): 135-149

Optimal control of extracting the raw cotton from cotton plant capsule. Tekhnika v Sel' skom Khozyaistve ( 4): 28-30

Optimal control of fish growth. American journal of agricultural economics 73(1): 174-183

Optimal control of food insecurity: a conceptual framework. American Journal of Agricultural Economics 72(5): 1304-1310

Optimal control of generic fluid milk advertising expenditures. American journal of agricultural economics 72(4): 1047-1055

Optimal control of greenhouse climate. Mathematical and control applications in agriculture and horticulture Proceedings of the IFAC/ISHS workshop held in Matsuyama, Japan, 30 September 3 October 1991: 27-32

Optimal control of greenhouse climate for tomato production. Large scale systems: theory and applications Proceedings of the IFAC/IFORS/IMACS Symposium, Berlin, 29-31 August 1989: 517-520

Optimal control of the activated sludge process. Water Research 24(10): 1197-1208

Optimal control of the operating regime of a hydraulic system under extreme conditions. Water Resources 17(4): 410-417

Optimal cropping strategies considering risk: Texas Trans-Pecos. Bulletin Texas Agricultural Experiment Station ( B-1650): 28pp.

Optimal dairy policy with bovine somatotropin. Review of agricultural economics 13(1): 1-17

Optimal design of a reinforced concrete open channel flume. Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering ( 157): 27-34

Optimal design with variable cost and precision requirements. Canadian Journal of Forest Research 19(12): 1591-1597

Optimal designs for sire evaluation schemes. Gianola, D And K Hammond (Ed ) Advanced Series in Agricultural Sciences, Vol 18 Advances in Statistical Methods For Genetic Improvement Of Livestock; International Symposium, Armidale, New South Wales, Australia, February 16-20, 1987 Xx+534p Springer-Verlag: Berlin, West Germany; New York, New York, Usa Illus 118-134

Optimal detection of and effect of vitamin D3 on extrachromosomal oncogene sequences. Vitamins and minerals in the prevention and treatment of cancer: 173-187

Optimal dietary lysine levels for growth and protein utilisation of fingerling sea bass (Dicentrarchus labrax L.) fed semipurified diets. Aquaculture 95(3/4): 297-304

Optimal dietary prescribing in the nursing home. Geriatrics 45(7): 66-71

Optimal dietary protein level of Penaeus monodon reared in seawater and brackishwater. Nippon Suisan Gakkaishi = Bulletin of the Japanese Society of Scientific Fisheries 57(4): 711-716

Optimal disposition of plants in a single-species community of given structure. Biology Bulletin of the Academy of Sciences of the USSR 17(5): 425-432

Optimal dynamic marketing strategies for grain producers: a case study of winter wheat. Dissertation Abstracts International A, Humanities and Social Sciences 50(7): p.2172

Optimal energy allocation models - an alternative to the concepts of reproductive effort and cost of reproduction. Acta Oecologica, 121: 11-33

Optimal enterprise size in fruit growing. Schweizerische Zeitschrift fur Obst und Weinbau 126(20): 530-533

Optimal environment for sugarcane micropropagation. Transactions of the ASAE 34(6): 2609-2614

Optimal estimation and scheduling in aquifer remediation with incomplete information. Water Resources Research 27(9): 2203-2217

Optimal experimental design. I. Linear model with one independent variable. Gartenbauwissenschaft 55(5): 226-231

Optimal experimental design. II. Linear regression with several independent factors or model approaches. Gartenbauwissenschaft 55(5): 232-237

Optimal extraction of small-scale surface water storage in Asia. Water Resources Research 28(5): 1207-1219

Optimal extrusion conditions for manufacturing rice expanded products containing dietary fiber. Journal of the Chinese Agricultural Chemical Society 29(1): 17-25

Optimal fat retention in the dairy cow. Monatshefte fur Veterinarmedizin 47(3): 125-136

Optimal first spring nitrogen application for winter wheat and winter barley in relation to the crop situation at the start of spring growth. Bodenkultur 42(4): 337-345

Optimal foraging theory: a possible role for parasites. Oikos 60(3): 391-395

Optimal forest harvesting over time in the presence of air pollution and growth reduction. Arbetsrapport Institutionen for Skogsekonomi, Sveriges Lantbruksuniversitet ( 85): 38 pp.

Optimal forest rotation under monopoly and competition. Journal Of Environmental Economics & Management. 17(1): 54-65

Optimal greenhouse temperature trajectories for a multi-state-variable tomato model. Mathematical and control applications in agriculture and horticulture Proceedings of the IFAC/ISHS workshop held in Matsuyama, Japan, 30 September 3 October l991: 73-79

Optimal ground-based sampling for remote sensing investigations: estimating the regional mean. International Journal of Remote Sensing 12(3): 559-567

Optimal groundwater quality management under uncertainty: incorporating the effects of spatial variability of hydraulic conductivity. IAHS Publication ( 188): 419-430

Optimal harvest of a forest in the presence of uncertainty. Canadian Journal of Forest Research 19(10): 1267-1274

Optimal harvest of industrial forests. Arbetsrapport Institutionen for Skogsekonomi, Sveriges Lantbruksuniversitet ( 110): 27 pp.

Optimal heat-induced conformation for Aspergillus niger glucoamylase activity. Annals of the New York Academy of Sciences 613: 887-891

Optimal heifer growth rates based on forage and concentrate price relationships. Journal of dairy science 75(7): 2030-2037

Optimal hotel capacity: the case of Barbados. Social and Economic Studies 41(2): 103-126

Optimal investment in generic advertising and basic research: the case of the Canadian supply managed egg market. Working Paper Department of Agricultural Economics and Business, University of Guelph ( WP92/02): 39pp.

Optimal irrigation delivery system design under uncertainty. Journal of Irrigation and Drainage Engineering 118(3): 433-449

Optimal landing location on flat, uniform terrain. Canadian journal of forest research = Journal canadien de recherche forestiere 21(5): 573-584

Optimal life histories with age dependent tradeoff curves. Journal of Theoretical Biology 148(1): 33-48

Optimal matching of pipe network and well-pump in low-pressure pipe transportation irrigation system. Agricultural engineering and rural development Proceedings of a conference held in Beijing, China, 12-14 October 1992 Vol II: V-131-136

Optimal misting method for growing-finishing hogs. Paper American Society of Agricultural Engineers ( 90-4506): 24 pp.

Optimal nutrition in two forest stands exposed to acid atmospheric deposition. Plant nutrition: physiology and applications Proceedings of the Eleventh International Plant Nutrition Colloquium, Wageningen, Netherlands, 30 July 4 August 1989: 69-72

Optimal nutritional management of dual purpose females in tropical Latin America. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol I: 14

Optimal offspring provisioning when resources are not predictable. American Naturalist 138(3): 680-686

Optimal operation of the east-line diversion from the Yangtze River to North China. IAHS Publication ( 180): 285-297

Optimal organization of milk collection, application to the dairies of Herve, Hombourg and Theux. Organisation optimale de la collecte du lait, application aux laiteries de Herve, Hombourg et Theux: 48pp. + 6 app.

Optimal parameters of a drain-tube layer with additional equipment. Tekhnika v Sel' skom Khozyaistve ( 4): 18-19

Optimal parameters of heat availability to soils of the USSR. Soviet Soil Science 23(5): 102-113

Optimal participation in the Conservation Reserve Program: land enrollment decisions in a stochastic dynamic framework. Dissertation Abstracts International A, Humanities and Social Sciences 50(7): p.2169

Optimal phosphorus requirement in anaerobic wastewater treatment. Mededelingen van de Faculteit Landbouwwetenschappen Universiteit Gent 55(4): 1471-1476

Optimal planting density for Brussels sprouts dependent on the choice of cultivar. Revue de l' Agriculture 42(4): 663-672

Optimal pollination conditions for seed set after a self-pollination, an intraspecific cross and an interspecific cross of marrow-stem kale (Brassica oleracea var. acephala). Euphytica 51(3): 207-214

Optimal potato production systems with respect to economic and ecological goals. Agricultural Systems 37(4): 387-397

Optimal power for grain harvester engines. Traktory i Sel' skokhozyaistvennye Mashiny ( 6): 34-36

Optimal producer and social payoff from generic advertising: the case of the Canadian supply-managed egg sector. Canadian Journal of Agricultural Economics 40(1): 1-24

Optimal product mix and monthly cash flows for container-grown landscape plants in Climatic Zones 8 and 9. Southern Cooperative Series Bulletin ( 365): 20pp.

Optimal recovery of peripheral blood mononuclear cells from the experimental host for human malarial infection: the Saimiri monkey. Medical Science Research 19(8): 255-258

Optimal regulations of an open-access fishery with irreversible investment. Dissertation Abstracts International A, Humanities and Social Sciences 49(10): p.3803

Optimal replacement age of tractors used by the farmers of Allahabad district. Journal of Agricultural Engineering 25(3): 69-71

Optimal replacement in the dairy herd: a multi-component system. Agricultural Systems 39(1): 1-24

Optimal reservoir operation for irrigation of multiple crops. Water resources research 28(1): 1-9

Optimal resource control in continuous time without Hamiltonian functions. Arbetsrapport Institutionen for Skogsekonomi, Sveriges Lantbruksuniversitet ( 84): 112-134

Optimal retaliation in international commodity markets. Review of Marketing and Agricultural Economics 57(1/2/3): 93-117

Optimal road spacing for multistage cable yarding operations. Canadian Journal of Forest Research 20(6): 669-673

Optimal road spacing for two-way grapple skidding to roadside in North Central British Columbia. Transactions of the ASAE 33(3): 1019-1023

Optimal salinomycin concentration for grower pigs and fattening calves. Agribiological Research 44(2-3): 148-160

Optimal sampling in forest inventory. IPEF, Instituto de Pesquisas e Estudos Florestais ( 38): 17-22

Optimal sampling strategies for weighted linear regression estimation. Canadian Journal of Forest Research 22(2): 239-247

Optimal scheduling of consecutive landfill operations with recycling. Journal of Environmental Engineering 118(3): 420-429

Optimal scheduling of irrigations with limited water. Proceedings of the Indian National Science Academy Part B Biological Sciences 57(3-4): 199-222

Optimal selection from centralized and decentralized energy generating technologies for meeting rural energy needs. Food energy nexus and ecosystem Proceedings of the second international symposium on food energy nexus and ecosystem held in New Delhi, India, during 12-14 February 1986: 555-575

Optimal selection of technical parameters for modern wine-processing machines operating on small farms. Mezogazdasagi Technika 32(12): 24

Optimal shapes of parallel East-West oriented single-span tunnels with respect to direct light transmissivity. Journal of Agricultural Engineering Research 48(2): 89-100

Optimal size and number of offspring in a variable environment. Journal of Theoretical Biology 150(3): 299-304

Optimal sizing of off-highway logging trucks. Technical Report Forest Engineering Research Institute of Canada ( TR-96): v + 20 pp.

Optimal social payoff from generic advertising - the case of the Canadian supply managed egg sector. Working Paper Department of Agricultural Economics and Business, University of Guelph ( WP91/10): 28pp.

Optimal soil conservation and the reform of agricultural pricing policies. Journal of Development Economics 36(2): 167-187

Optimal soil conservation and the reform of agricultural pricing policies. LEEC Paper London Environmental Economics Centre, International Institute for Environment and Development ( 89-08): 27pp.

Optimal spacing of tube wells in relation to channel losses and lining. Journal of Irrigation and Drainage Engineering 117(5): 791-799

Optimal stage to apply Rabcide 4,5,6,7-tetrachlorophthalide for rice blast Bl control. International Rice Research Newsletter 16(2): 22

Optimal stands of Chinese cabbages grown in winter and spring. Hassadeh 71(1): 60-61

Optimal static ventilation in greenhouses. Proceedings of the 11th international congress on the use of plastics in agriculture, New Delhi, India, 26 February 2 March 1990: F.21-F.28

Optimal storage of agricultural produce using a learning controller. Agricultural engineering conference 1990 Proceedings of a conference held in Toowoomba, Australia, 11-14 November 1990: 307-311

Optimal tariff and trade in raw and finished goods. Canadian Journal of Agricultural Economics 37(4 (II)): 1081-1090

Optimal taxation: timber and externalities. Journal of Environmental Economics and Management 18(3): 263-275

Optimal temperature control for a structured model of plant cell culture. Biotechnology and Bioengineering 35(3): 252-259

Optimal temperature setpoints for greenhouse lettuce. Journal of Agricultural Engineering Research 49(3): 209-226

Optimal therapy of cryptococcosis in patients with the acquired immunodeficiency syndrome. New York State Journal of Medicine 91(7): 292-296

Optimal thermal shocks for induced diploid gynogenesis in chinook salmon (Oncorhynchus tshawytscha). Aquaculture 90(3-4): 239-250

Optimal timber harvest scheduling under harvest volume constraints: a comparison of two opportunity cost criteria. Canadian Journal of Forest Research 22(4): 497-503

Optimal tractor replacement: what matters?. Review of Agricultural Economics 13(1): 119-128

Optimal tree size for harvest in an uneven-aged stand of upland hardwoods. Forestry Research Report Agricultural Experiment Station, University of Illinois ( 88-8): 30 pp.

Optimal use of formic acid. Schweizerische Bienen Zeitung 113(7): 378-385

Optimal utilisation of village community lands for sustainable development. Agricultural Situation in India 45(11): 755-759

Optimal vegetation management under multiple-use objectives in the Cross Timbers. Journal of range management 45(5): 462-469

Optimal volumes for transport and processing in the Spanish beet sugar sector. Investigacion Agraria, Economia 6(1): 95-107

Optimal width and depth for maximum breaking load of wood beams. Resource Management and Optimization 8(2): 67-72

Optimal width of knife spacing for cotton shaping attachments. Tekhnika v Sel' skom Khozyaistve ( 4): 56-57

Optimalisation of breeding plans for dairy cattle. Revista Argentina de Produccion Animal 10(2): 27-38

Optimisation of Indian rock phosphate usage. Fertiliser News 35(12): 21-23, 25, 27-28, 31-33

Optimisation of N-fertilisation with and without consideration of Norg-nitrogen. Verband Deutscher Landwirtschaftlicher Untersuchungs und Forschungsanstalten, Reihe Kongressberichte ( 32): 249-255

Optimisation of ammonia synthesis loop. Fertiliser News 36(5): 23-26

Optimisation of an accelerated drying schedule for regrowth Eucalyptus pilularis Sm. Holz als Roh und Werkstoff 49(4): 143-159

Optimisation of controlled plant environments. Automated agriculture for the 21st century Proceedings of a conference held in Chicago, Illinois, USA, 16-17 December 1991: 478-487

Optimisation of factors allowing best gas yield from anaerobic fermentation of poultry manure. Energy and the Environment Into the 90s Proceedings of the 1st World renewable energy congress, Reading, UK, 23-28 September 1990: 2061-2064

Optimisation of herbicide use in France. Proceedings of the Brighton Crop Protection Conference, Weeds (Vol. 3): 1191-1200

Optimisation of in vitro coconut (Cocos nucifera L.) pollen germination conditions in order to develop a viability test. Oleagineux Paris 45(4): 175-181

Optimisation of lime dose for cane juice clarification by liming and sulphitation method. Indian Sugar 41(3): 161-167

Optimisation of reproduction in livestock. Biol osnovy vysok produktiv sel' khoz zhivotnykh: Tez dokl mezhdunar konf, Borovsk, 3-7 sent, 1990, Ch 2: 21-22

Optimisation of spraying methods for fruit trees with reduced use of chemicals. BCPC Monograph ( 46): 219-223

Optimisation of storage conditions for 'Shogun' broccoli. Scientia Horticulturae 47(3-4): 201-208

Optimising P2O5 availability for fertilizer use, by direct treatment of apatite with hydrochloric or nitric acids. Fertilizer Research 24(1): 63-66

Optimising conditions for growth of Nephrolepis ferns. Scientia Horticulturae 45(3-4): 303-314

Optimising conditions for protoplast formation and regeneration from a wild bacteriocin producing lactococci. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 347 (654)

Optimising farm dam irrigation in response to climatic risk. Climate risk in crop production: models and management for the semiarid tropics and subtropics: 307-328

Optimising growth parameters during rearing parental populations of geese. Hydinarstvo 25: 15-23

Optimising milk powders for consumer use. Food Australia 41(9): 938-940

Optimising potato breeding. II. A model for optimising single-stage and single-trait selection. Euphytica 53(2): 151-157

Optimising soil surface management in response to climatic risk. Climate risk in crop production: models and management for the semiarid tropics and subtropics: 283-305

Optimising spacing and standards of logging roads on uniform terrain. Journal of Tropical Forest Science 1(3): 215-228

Optimising the control of chocolate spot. Aspects of Applied Biology ( 27): 105-110

Optimising the intensity of harrowing for mechanical weed control in winter wheat. Proceedings of the Brighton Crop Protection Conference, Weeds (Vol. 1): 177-184

Optimising use of Indian rock phosphate. Fertiliser News 36(2): 28-31

Optimism in the Ostlands Dairy Association. Meieriposten 79(8): 234-237

Optimistic and pessimistic fruit flies: evaluating fitness consequences of estimation errors. Behaviour 114(1-4): 65-82

Optimization and economic effectiveness of agricultural machinery designed for orchards. Sbornik Nauchnykh Trudov Optimizatsiya Mashinno Traktornogo Parka: 21-24

Optimization and rationalization of pig nutrition using computer diets. 2. Feeding of fattening pigs. Stocarstvo 43(7-8): 321-329

Optimization and scale-up of a fluidized bed system for anaerobic wastewater purification. Zuckerindustrie 116(12): 1047-1052

Optimization design of mouldboard cultivation set. Agricultural engineering and rural development Proceedings of a conference held in Beijing, China, on 12-14 October 1992 Vol I: III-158-162

Optimization of herd-in-calf-rate with respect to the length of the post-partum anoestrous period in Angus cows suckling calves. Proceedings of the New Zealand Society of Animal Production 51: 459-463

Optimization of CO2 concentration in greenhouses: a modelling analysis for the lettuce crop. Journal of Agricultural Engineering Research 48(4): 261-271

Optimization of Candida yeast production on nutrient-supplemented sugarcane molasses. Philippine Journal of Biotechnology 1(2): 106-123

Optimization of MSNF content of the low fat spread. Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 531 (1014)

Optimization of a continuous culture of Kluyveromyces fragilis on whey ultrafiltration permeate - effects of minerals and vitamins on yeast growth and metabolism. Microbiologie, Aliments, Nutrition 9(4): 309-317

Optimization of a continuous membrane bioreactor for the saccharification of starch using temperature as a control variable: Experimental study and simulation analysis. Dissertation Abstracts International B, Sciences and Engineering 52(9): 4537

Optimization of a model to estimate residual feed consumption in the laying hen. Livestock Production Science 27(4): 321-338

Optimization of a rapid nonisotopic DNA probe assay for Plasmodium falciparum in the Gambia. Journal of Clinical Microbiology 29(7): 1517-1519

Optimization of a selection programme for Black Pied cattle in Moscow region. Zootekhniya ( 7): 20-21

Optimization of a tractor engine control system. Traktory i Sel' skokhozyaistvennye Mashiny ( 7): 14-16

Optimization of agricultural machinery stock. Sbornik Nauchnykh Trudov Optimizatsiya Mashinno Traktornogo Parka: 10-17