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A method for estimating leaching properties of pesticides


, : A method for estimating leaching properties of pesticides. Journal of Pesticide Science 5(2): 199-205

A polynomial expression which gives the change in concentration of eluate was derived for a soil column system in which pesticide solution was added at constant concentration. The polynomial was composed of a theoretical plate number P of soil column, adsorption ratio G for the soil, and distance moved by the solution expressed by imaginary plate number n. The curve has an inflexion point ex0ept when G is small or P is unit.

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Christchurch, N.Z., 1947: New Zealand wheat review, 1946. While wheat growing in New Zealand recently has suffered from certain climatic and economic handicaps, there are positive signs that the industry is progressing. Mechanization has made great progress, and 84.5 per cent of the wheat area was harves...

Khan, A.; Lascaratos, G.; Rane-Malcolm, T.; Sanders, R., 2011: A rare case of zolendronate infusion complication leading to glaucoma filtration surgery. Zolendronic acid is a nitrogenous biphosphonate commonly used as an intravenous infusion for the management of Paget's disease, osteoporosis, and hypercalcemia of malignancy. We report a rare and challenging complication of zolendronate infus...

Myttenaere, C., 1964: The effect of the strontium-calcium ratio on the localization of strontium and calcium in P sativum. The physiological localization of Sr and Ca (walls, sap, plastes) was studied for 8 different Sr/Ca ratios of the nutrient solution. The less the ratio Sr/Ca, the more important was the fraction adsorbed and fixed on the walls. The Sr was not only...

Romanese, R., 1927: Effects of gradual diminution of O in inspirated air. The effects on respiration, pulse and pressure in rabbits, of gradual subtraction of O in inspired air, differ according as the method of rebreathing or a mixing apparatus is used, resulting in slow change in the proportions of O and N in the gase...

Terasaki, A.G.i; Ohnuma, M.; Mabuchi, I., 1995: Analysis of F-actin-binding proteins from sea urchin eggs using F-actin affinity column chromatography. Cell Structure & Function 20(6): 562

Roufogalis, B.D.; Thomas, J., 1969: The effect of organic and inorganic cations on the decarbamylation of dimethylcarbamylacetyl-cholinesterase: a comparison with deacetylation. Molecular Pharmacology 5(3): 286-293

Bain, R., 1981: Changes in the international grain trade in the 1980's. The main grain-exporting countries may cooperate more closely in the eighties than in the past. In addition, there may be incentives to vary the policies of the marketing boards in Australia and Canada and increased internal pressure for the Unit...

Slootweg A.P.ter; Searle Roger C.; Lee Sang Mook; Flewellen Christopher G., 1998: Examples of high-resolution swath bathymetry produced by the phase difference sensors of TOBI's side-scan sonar. Eos, Transactions, American Geophysical Union 79(45, Suppl

Tapia, J.C.; Mentis, G.Z.; Navarrete, R.; Nualart, F.; Figueroa, E.; Sanchez, A.; Aguayo, L.G., 2001: Early expression of glycine and GABAA receptors in developing spinal cord neurons. Effects on neurite outgrowth. Using fluorometric and immunocytochemical techniques, we found that high glycine concentrations or blockade of glycine receptors increases neurite outgrowth in developing mouse spinal cord neurons. Glycine- and GABA(A)-activated currents were demo...

Wust Bloch G.H.; Ben Avraham Z.; A.Z.ubi A.; A.R.zouq R.; Abueladas A.; Joswig M., 2008: Sinkhole hazard assessment along the Dead Sea shores in Jordan; integrated nanoseismic monitoring and GIS techniques. Abstracts - Israel Geological Society, Annual Meeting 2008: 116