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Persistence of Endosulfan in Soils

机译：硫丹在土壤中的持久性

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摘要

Persistence of α- and β- isomers of endosulfan in three soils of Kerala, at three concentration levels were studied in a laboratory experiment. Residues were estimated for upto 100 days. The results of the experiment revealed that persistence of endosulfan was maximum in laterite soil followed by sandy loam and least in red loam soil. The half lite of α- isomer was lower than that of β- isomer in all the three soils. The persistence was more when the treatment level was high and persistence in soil was found to be dependent on aspects like pH, clay content, organic matter content and the concentration.
机译：在实验室实验中研究了三种浓度下喀拉拉邦三种土壤中硫丹的α-和β-异构体的持久性。残渣估计长达100天。实验结果表明，硫丹的持久性在红土土壤中最大，其次是沙壤土，而在红色壤土中最少。在这三种土壤中，α-异构体的半数均低于β-异构体。当处理水平高时，持久性更高，并且发现土壤中的持久性取决于pH，粘土含量，有机质含量和浓度等方面。

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