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衡阳市主要农作物及耕作土重金属污染现状研究

Safety and Environmental Engineering(2009)

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Abstract
通过对衡阳市主要农作物及产地土壤进行采样,分析其中的As、Cd、Cr、Pb、Ni、Zn含量,并进行系统综合评价,结果表明:耕作土属尚清洁,总体质量较好;主要农作物受重金属污染较严重,只有48.4%属安全、优良级别;6种重金属污染物以As、Cd分担率较高;针对污染状况提出了相应的对策。
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Key words
plantation soil,crops,contamination of heavy metal,Hengyang City
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