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Fertilizer economics: getting the most for your money

, : Fertilizer economics: getting the most for your money. Crops and soils magazine 38(1): 17-21


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Aleon Jerome; Chaussidon Marc; Marty Bernard; Schuetz Lothar; Jaenicke Ruprecht, 2002: Oxygen isotopes in single micrometer-sized quartz grains; tracing the source of Saharan dust over long-distance atmospheric transport. Oxygen isotope compositions were measured by ion microprobe in individual micrometer-sized quartz grains extracted from one aerosol sample collected on the Cape Verde Islands and from four surface samples (three soils and one sediment) representin...

Ogata, A.; Tagoh, H.; Lee, T.; Kuritani, T.; Takahara, Y.; Shimamura, T.; Ikegami, H.; Kurimoto, M.; Yoshizaki, K.; Kishimoto, T., 1992: A new highly sensitive immunoassay for cytokines by dissociation-enhanced lanthanide fluoroimmunoassay (DELFIA). Non-isotopic immunoassays for human tumor necrosis factor alpha (TNF alpha) and human interleukin-6 (IL-6) were established by employing the dissociation-enhanced lanthanide fluoroimmunoassay (DELFIA) system based on the time-resolved fluoroimmuno...

Lopez-Hernandez, D.; Lavelle, P.; Fardeau, J.C.; Nino, M., 1993: Phosphorus transformations in two potassium-sorption contrasting tropical soils during transit through Pontoscolex corethrurus (Glossoscolecidae: Oligochaeta). Individuals of Pontoscolex corethrurus Muller, a geophagous tropical earthworm, were fed with two soils that have P-sorption contrasting characteristics. Water-soluble and exchangeable-P contents increased significantly in casts produced after ing...

Nishimura R.A.; Tajik A.J.; Schattenberg T.T.; Seward J.B., 1985: Diaphragmatic hernia mimicking an atrial mass a 2 dimensional echocardiographic pitfall. Journal of the American College of Cardiology 5(4): 992-995

Hewitt W.R.; Hook J.B., 1977: Penicillin induced alteration of palmitate utilization and p amino hippurate transport by suspensions of renal proximal tubules. Federation Proceedings 36(3): 593

Gold J.R.; Ragland C.J.; Schliesing L.J., 1990: Genome size variation and evolution in north american cyprinid fishes. Genome sizes (nuclear DNA contents) were documented spectrophotometrically for 29 species of North American cyprinid fishes. The data were then merged with comparable genome size data (published previously) from an additional 20 North American cyp...

Obuchowska, I.; Mariak, Z.; Elmdhm, S., 2005: Surgical technique and complications of enucleation. Enucleation consists of removal of the entire globe and portion of the optic nerve from the orbit. This surgical procedure is generally accepted treatment for intraocular malignancies, a blind painful eye, severely traumatized eye, phthisis bulbi...

Dierschke, Volker, 2003: Rastverhalten von Steinschmatzern Oenanthe oenanthe in abhangigkeit von den ernahrungsbedingungen wahrend des wegzugs auf Helgoland. During autumn migration stopovers on the offshore island Helgoland (North Sea), Northern Wheatears Oenanthe oenanthe varied behaviour with respect to foraging conditions. In both types of habitat studied (wrack beds along the beach, grassland), pe...

Moner, J.B., 1955: Pharmacodynamic potentialization in ophthalmology. Journal of the International College of Surgeons 23(6 Section 1): 810-819

Henklein P.; Penke B.; Georgi M.; Halatsch W R.; Niedrich H.; Ott T., 1987: Improved synthesis of the highly active cholecystokinin sequence succinylsulfitotyrosylmethionylglyryltryptophanylaspartylphenylalaninamide. Die Pharmazie 42(6): 413-414