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Investigation of the Polluted Status of Heavy Metal in Soil of Mining Area

LI Lu-jiu et al (Institute of Soil and Fertilizer,Anhui Academy of Agricultural Science,Hefei,Anhui 230031)  
Soil samples were collected in the farmland near mining in Anhui province and the content of heavy metal was analyzed.The results showed that the total content of Cu,Zn,Pb and Cd was 79.3~2?415.3,75.6~778.6,46.3~252.1 and 0.29~13.546 mg/kg with the average of 282.1,227.2,(122.5) and 1.927 mg/kg,respectively,which was 12.5,3.1,4.7 and 19.9 times of the one of the arithmetic mean of A-layer soils in China.The pollution index for Cu,Cd,Zn and Pb was 1.59~48.31,0.97~45.15,0.38~3.89 and 0.19~1.01 with the mean of 5.64,6.42,1.14 and 0.45.Thus,the soil at this district was seriously polluted by Cd and Cu and a part of them was contaminated by Zn.
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