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2007•Nongye huanjing kexue xuebaoRequires access

Study on Bioremediation of Pesticide Residue in Soil

Yusuo Lin

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Abstract

Biodegradation and removal of pesticide in soil by a bacterial strain (DLL-1) was studied. The characteristics of biodegradation, movement and living of pesticide in surface soil, and the effect of application amounts of bacterial strain (DLL-1) and concentration of pesticide in soil on biodegradation and removal were discussed. The experimental results showed that DLL-1 had strong capacity to remove pesticide residue from soil. DLL-1 could move to surface soil layer (0~6 cm). The degradation rate of pesticide residue was more than 80 % when 30 kg·hm-2 of DLL-1 was added in soil. These results could provide an experimental support to develop bioremediation of pesticide contaminated soil.

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What this paper is about

Biodegradation and removal of pesticide in soil by a bacterial strain (DLL-1) was studied. The characteristics of biodegradation, movement and living of pesticide in surface soil, and the effect of application amounts of bacterial strain (DLL-1) and concentration of pesticide in soil on biodegradation and removal were discussed. The experimental results showed that DLL-1 had strong capacity to remove pesticide residue from soil. DLL-1 could move to surface soil layer (0~6 cm). The degradation rate of pesticide residue was more than 80 % when 30 kg·hm-2 of DLL-1 was added in soil. These results could provide an experimental support to develop bioremediation of pesticide contaminated soil.

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Available abstract

Biodegradation and removal of pesticide in soil by a bacterial strain (DLL-1) was studied. The characteristics of biodegradation, movement and living of pesticide in surface soil, and the effect of application amounts of bacterial strain (DLL-1) and concentration of pesticide in soil on biodegradation and removal were discussed. The experimental results showed that DLL-1 had strong capacity to remove pesticide residue from soil. DLL-1 could move to surface soil layer (0~6 cm). The degradation rate of pesticide residue was more than 80 % when 30 kg·hm-2 of DLL-1 was added in soil. These results could provide an experimental support to develop bioremediation of pesticide contaminated soil.

Key concepts: Bioremediation, Biodegradation, Pesticide, Pesticide residue, Residue (chemistry), Environmental chemistry, Contamination, Soil contamination

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