南宁河洲生态农业规划区土壤重金属污染评价

Investigation and evaluation of heavy metal pollution in the ecological agriculture planning area soils of Hezhou in Nanning

对南宁河洲生态农业规划区土壤中 Cd、As、Pb、Hg、Cu、Zn等重金属含量进行了调查和分析测定 ,应用模糊评判法进行评价。结果表明 ,其土壤主要受 Cd和 As的污染 ;1 2个试点中 4个点为尚清洁 ,8个点为轻污染。

The contents of Cd, As, Pb, Hg, Cu and Zn etc. in the ecological agriculture area soils of Hezhou in Nanning were investigated and evalued with fuzzy assessment.The results suggested that the soils were mainly contaminated by Cd and As, especially Cd. Among the 12 samples, 4 samples were still clean, 8 samples were slightly polluted.