2022
DOI: 10.21203/rs.3.rs-1728627/v1
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Characteristics and risk assessment of heavy metal pollution of farmlands and crops near Pb–Zn mine tailing ponds: a case study in Niujiaotang, China

Abstract: To accurately evaluate the pollution and risk of heavy metals in crops and farmlands near mines, we determined the contents of Cr, Ni, Cu, As, Cd, Pb, and Zn in 10 farmland soil sampling sites and six crops (pak choi, rice, spring onion, radish, Chinese cabbage, Chrysanthemum coronarium) in an area near the Niujiaotang Pb–Zn mine in Duyun City, China. Four evaluation methods were compared, including the potential ecological hazard index, Nemeiro comprehensive pollution assessment, risk assessment code, and the… Show more

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