郑州郊区菜田土壤耕层重金属含量状况及其评价

Status and Appraise of Heavy Metal Content in Soil Plough Layer of Vegetable Fields in Zhengzhou Suburban

对郑州市郊蔬菜地土壤重金属含量进行了检测,结果表明:除全Cd单项污染指数为1.05外,全Cu、Zn、Pb、C r、A s、Hg的单项污染指数均小于1,综合污染指数为0.79,土壤尚清洁。

Using the heavy metal content in soil plough layer of vegetable fields have been detected in Zhengzhou suburban. The results showed that full-Cu, Zn, Pb, Cr, As, Hg individual pollution index of less than one except the Cd individual pollution index was 1.05, the synthesize integrated pollution index was 0. 79, the soil was clean.