Ontology highlight
ABSTRACT:
SUBMITTER: Li F
PROVIDER: S-EPMC5982079 | biostudies-other | 2018 May
REPOSITORIES: biostudies-other
Li Fengxu F Zhang Jiquan J Cao Tiehua T Li Sijia S Chen Yanan Y Liang Xuanhe X Zhao Xin X Chen Junwei J
International journal of environmental research and public health 20180522 5
The presence of toxic elements in agricultural soils from anthropogenic activities is a potential threat to human health through the food chain. In this study, the concentration of toxic elements in 122 agricultural topsoil composite samples were determined in order to study the current status, identify their sources and assess the level of pollution and human health risk. The results showed that the mean concentrations of Zn, Cu, Pb, Cd, Hg and As in the farmland topsoil were 21.72, 15.09, 36.0 ...[more]