Study on the Soil Heavy Metals Pollution Evaluation in the Northern Suburb of Xuzhou City

The contents of elements Pb,Zn,Cu,Cr and Cd of heavy metals in the farmland soil in the Northern suburb of Xuzhou city were measured and studied.The results showed that the area had solid wastes,coal gangues and fly ash.The elements of heavy metals in the soil will transfer to the aroundings by raining.The concentrations of heavy metals was higher than the background level.According to the geo-accumulation index,the contamination degree from strong to weak in soil was:CdPbCuZnCr,among which Zn,Cr expressed no pollution,Pb,Cu light pollution and Cd heavy pollution.