黔西北地区土壤重金属地球化学背景及管理目标值
孟伟(
), 莫春虎, 刘应忠
), 莫春虎, 刘应忠
Geochemical background and management target values of heavy metals in soil in northwestern Guizhou Province
MENG Wei(), MO Chun-Hu, LIU Ying-Zhong
), MO Chun-Hu, LIU Ying-Zhong
图3. 不同地层发育深层的土壤As、Cd、Cr、Cu、Hg、Ni、Pb和Zn管理目标值相对变化率
1—三叠系;2—二叠系;3—石炭系;4—寒武系;5—二叠系中统
Fig.3. Relative change rate of As, Cd, Cr, Cu,Hg, Ni,Pb and Zn management target of deep soil weathered in different strata
1—Triassic;2—Permian;3—Carboniferous;4—Cambrian;5—middle Permian
