Influence of Endosulfan on Microbial Biomass and Soil Enzymatic Activities of a Tropical Alfisol

被引：0
|
作者：
S. Surya Kalyani
Jitender Sharma
Prem Dureja
Surender Singh
机构：
[1] Bureau of Indian Standards,Food and Agricultural Department
[2] Kurukshetra University,Department of Biotechnology
[3] Indian Agricultural Research Institute,Division of Agricultural Chemicals
[4] Indian Agricultural Research Institute,Division of Microbiology
来源：
Bulletin of Environmental Contamination and Toxicology | 2010年 / 84卷
关键词：
Endosulfan; Tropical alfisol; Soil enzymes; Microbial biomass carbon;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of endosulfan at normal residue level (1 and 10 ppm) and elevated level (100 ppm) on microbial biomass and enzymatic activities of a tropical alfisol was studied. Dehydrogenase, Fluorescein diacetate hydrolase, acid phosphatase, aryl sulphatase activities and microbial biomass of the soil increased by 2.4, 1.7, 1.4, 1.8 and 3.7 times, respectively by the 14th day of incubation with 1 ppm endosulfan, indicating the possible involvement of soil microorganisms and their enzymes in degradation of endosulfan. Soil nitrogenase activity decreased by 8.0 times by the 14th day of application of 1 ppm endosulfan, suggesting that endosulfan or its metabolites may pose toxicological threat to nitrogen fixers in soil.
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页码：351 / 356
页数：5
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