RT Journal T1 Study on the Causes and Assessment of Ecological Risk of Soil Pb Pollution at the Old Site of a Relocated Enterprise A1 HU Yu-xin, SONG Wei, ZHOU Rui-jing, JIN Zi-wen, NI Bao-feng, LI Xiao-peng PB Journal of Ecology and Rural Environment FD 2021-08-25 YR 2021 JF Journal of Ecology and Rural Environment JO Journal of Ecology and Rural Environment VO 37 IS 8 SP 1066 DO 10.19741/j.issn.1673-4831.2020.0892 K1 Pb pollution;single factor index method;geo-accumulation index method;ecological risk LK {http://www.ere.ac.cn/EN/article/article_12406.shtml}