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北方园艺  2013 

重金属污染土壤的植物修复对“环保育种”的呼唤

, PP. 190-194

Keywords: 重金属,污染土壤,“环保育种”,植物修复?

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Abstract:

因人类活动诸如采矿、冶炼、电镀、电源和燃料生产、垃圾堆积过程和农业集约化中化肥、农药、除草剂等大量和超量使用等排入到环境中,导致重金属污染土壤,带来了严重的后果。而植物对重金属的抗性、避性和富集性及超富集性,使得污染土壤的植物修复和利用成为可能。由于自然的超富集植物具有地域性、植物种类的差异性,且忍耐重金属浓度的有限性,因此,超富集植物具有修复时间长的特点。现针对重金属污染土壤的修复和利用提出了“环保育种”的概念,以及开展“环保育种”的基础和广阔的应用前景。为加快修复和利用被重金属污染的土壤,“环保育种”迫在眉睫。?

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