Primary Study on Heavy Metals Pollution in Farm Soil of Chengdu City

Abstract

Based on the data of heavy metals in farm soil in Chengdu,which including Pb,Hg,Cr,As,Cu,Zn and Cd,the potential ecological risk of heavy metals were analyzed and assessed.The results shows that the content of seven heavy metals Pb,Hg,Cr,As,Cu,Zn and Cd is 77.27 mg/kg,0.31 mg/kg,59.50 mg/kg,11.27 mg/kg,42.52 mg/kg,227.00 mg/kg,and 0.36 mg/kg;the contamination factor(E_r~i)of Hg and Cd is moderate,other heavy metals is light;the contamination level of farm soils are moderate.