重金属与农药污染的农业土壤脱毒过程研究进展

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摘要

农业土壤环境自身脱毒过程是极其复杂的生态化学过程,对于土壤健康质量的维持和改善具有重要意义。然而,一直以来,人们对污染物的致毒过程研究得较多,对农业土壤自身脱毒能力及机制未给予足够重视。本文就农业土壤环境中,重金属与农药污染物的吸附脱毒、非生物降解(水解、光解)脱毒、微生物降解脱毒、土壤酶学脱毒、根际环境中的降解和转化脱毒以及植物富集固定进行了综述,并分析了各脱毒过程中所涉及到的反应机理。

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	于颖
	周启星

关键词 ：重金属, 农药, 农业土壤, 自身脱毒

Abstract：

Self-detoxification in agricultural soil is a very complicated eco-chemical process and important in sustaining and improving soil quality. Thus, adsorptive detoxification, non-biological degradative detoxification, microbiological degradative detoxification, soil-enzyme detoxification, degradative and transformative detoxification in rhizospheric environment and phytoaccumulative immobility were reviewed, and reactive mechanisms involved in various detoxicated processes were discuessed.

Key words： Heavy metal Pesticide Aagricultural soil Sself-detoxification

收稿日期: 2005-02-25

X703

基金资助:国家杰出青年科学基金(20225722);中国科学院知识创新工程重(KZCX2-SW-416)资助

引用本文:

于颖1,2, 周启星1*. 重金属与农药污染的农业土壤脱毒过程研究进展[J]. , 2005, 24(1): 84-89.
YU Ying1,2, ZHOU Qi-xing1. Review of self-detoxification processes in agricultural soils contaminated with heavy metals and pesticides. , 2005, 24(1): 84-89.

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http://www.ecolsci.com/CN/Y2005/V24/I1/84

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