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柴河铅锌尾矿耐性植物与优势植物的重金属含量研究

, PP. 246-249

Keywords: 铅锌尾矿,植物修复,重金属,金属耐性植物,辽宁

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Abstract:

通过实地调查取样,分析了辽宁省铁岭柴河铅锌尾矿库内受尾矿污染的土壤重金属含量,以及生长于其上的9种植物对Cu、Cd、Pb和Zn的吸收和富集能力。结果表明,Zn在小叶杨和刺玫蔷薇体内的含量较高;Cd在小叶杨和白莲蒿体内积累较多;而Pb在绣球绣线菊和华北蓝盆花中积累较多。但各种植物对重金属的富集能力均未达到超富集植物的要求,需采取综合农艺措施进行铅锌尾矿库污染土壤的植物修复重建工作。

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