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Effects of two different organic amendments addition to soil on sorption-desorption, leaching, bioavailability of penconazole and the growth of wheat (Triticum aestivum L.)

文献类型： 外文期刊

作者： Jiang, Lei 1 ; Lin, Jing Ling 3 ; Jia, Lin Xian 1 ; Liu, Ying 1 ; Pan, Bo 1 ; Yang, Yi 1 ; Lin, Yong 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China

2.Minist Agr, Danzhou Sci Observing & Expt Stn Agroenvironm, Danzhou 571737, Peoples R China

3.Chinese Acad Trop Agr Sci, Anal & Testing Ctr, Haikou 571101, Peoples R China

关键词： Penconazole;Sugarcane bagasse compost;Chicken manure compost;Sorption-desorption;Mobility;Bioavailability

期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：6.789； 五年影响因子：6.914 ）

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收录情况： SCI

摘要： This study investigated the effects of sugarcane bagasse compost (SBC) and chicken manure compost (CMC) on the sorption desorption, leaching and bioavailability of the fungicide penconazole in soil in a laboratory setting. The autoclave-treated SBC or CMC was applied at 2.5% and 5.0% (w/w). Results of batch equilibrium experiments exhibited that the sorption capacity of soils for penconazole was significantly promoted by the addition of SBC or CMC, whereas desorption of penconazole was drastically reduced; the influence was enhanced as the amount of organic amendments increased. Results of column leaching experiment indicated that the addition of SBC or CMC significantly limited the vertical movement of penconazole through the soil columns, considerably decreasing the content of penconazole in the soil leachate. Furthermore, results of bioavailability experiments demonstrated that the addition of organic amendments (SBC or CMC) remarkably influenced the uptake and translocation of penconazole, decreased penconazole accumulation in the plant tissues and increased the plant elongation and biomass. These data revealed important changes in pesticide behavior under SBC or CMC application, which should be useful for developing strategies to protect groundwater and crops from contamination from the residual pesticides in soil. (C) 2015 Elsevier Ltd. All rights reserved.

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