Abiotic control on the dissipation of chlorpyrifos spiked in an Udic Ferrisol at a lower dosage
文献类型: 外文期刊
第一作者: Wang, Ligang
作者: Wang, Ligang;Jiang, Xin;Jiao, Wentao;Liang, Yongchao;Liang, Yongchao
作者机构:
关键词: abiotic factor;chlorpyrifos;dissipation;soil
期刊名称:CHEMISTRY AND ECOLOGY ( 影响因子:2.244; 五年影响因子:1.933 )
ISSN:
年卷期:
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收录情况: SCI
摘要: The dissipation routes of chlorpyrifos spiked in an Udic Ferrisol at the dosage of 400 ng g~(-1), which represents a residual level after an agricultural application, were studied in a laboratory, using the natural soil under three moisture regimes, sterilised, and organic matter-free soils in the dark at 20°C. The obtained results showed that higher soil moisture caused faster dissipation, and the abiotic and biotic contributions to the total dissipated amount of the applied chlorpyrifos in the soil accounted for 77.3-85.2% and 14.7-22.7%, respectively. In the sterilised soil, the contribution of organic matter to chlorpyrifos dissipation was noticed to account for 95% in the earlier two weeks, and was nearly equal to that of soil minerals two weeks after the incubation.
分类号: O6`X17
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