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草业科学  2014 

14种植物对土壤重金属的分布、富集及转运特性

DOI: 10.11829\j.issn.1001-0629.2013-0261, PP. 833-838

Keywords: 工业区,重金属,分布特性,富集特性,转运特性

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Abstract:

?以株洲市清水塘重金属污染工业区14种典型植物为研究对象,采用原子吸收分光光度法测定其Cu、Cd、Pb、Zn4种重金属含量,研究植物对重金属的分布、富集和转运特性。结果表明,14种植物对修复复合型土壤重金属污染有较好的应用前景。其中,马兜铃(Aristolochiadebilis)对Cu、Pb、Cd、Zn,臭牡丹(Clerodendrumbungei)、接骨草(Sambucuschinensis)对Pb、Cd、Zn,山莴苣(Lagediumsibiricum)对Pb、Zn,狗尾草(Setariaviridis)、牛皮消(Cynanchumauriculatum)对Cd,空心莲子草(Alternantheraphiloxeroides)对Cu的地上部分富集系数和转运系数都大于1。可将这些植物作为先锋植物用于相应重金属污染严重区域。

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