Changes in potentially toxic element concentration and potential ecological risk in topsoil caused by sewage sludge application on forestland: A 3-year field trial

Shuangshuang Chu,Wenjun Yang, Dandan Xia,Zhiqi Liang,Sining Su,Nan Zhao,Jing Wang,Mandi Long,Jianhui Ouyang,Dandan Liao,Douglass F. Jacobs,Shucai Zeng

Forest Ecology and Management（2021）

引用 4|浏览13

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摘要

•Sewage sludge addition modified potentially toxic element content and fractions.•Potentially toxic element content and ecological risks decreased over time.•Percentage of mobile fractions decreased and that of residual fractions increased.•Large-scale utilization of sewage sludge to forest soil is promising.

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关键词

Solid waste,Hazardous substance,Forestry management,Speciation transformation,Environmental monitoring

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