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《Journal of Anhui Agricultural Sciences》 2009-04
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Status Quo and Assessment on Heavy Metal Pollutions of Soils in Food-Supply Bases of Chongqing

HUANG Jin et al (Department of Chemistry,Huaiyin Normal College,Huaian,Jiangsu 223300)  
This study aimed to analyze and assess 103 representative soil samples from 17 food-supply bases in Chongqing.The results showed that the average contents of heavy metals was respectively Cd(0.390±0.180),Cu(18.526±10.400),Zn(89.382±22.800),Pb(55.069±17.600) and Hg(0.098±0.076) mg/kg,and the contents of Cd,Cu,Pb and Hg in soils from different bases showed significant differences(P0.01),but the Zn content varied slightly(P=0.05).The heavy metal pollution degree in different bases followed a sequence of TonglanXiushanQijiangYongchuanHechuanRongcangDazuNanchuanJiangjinLiangpinDianjiangChangshouTongliangKaixianZhongxianYubeiBanan,and mostly by Cd.
【Fund】: 重庆市科委攻关项目(01-6655)
【CateGory Index】: X53
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