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首页> 外文期刊>RSC Advances >Effects of the combined pollution of cadmium, lead and zinc on the phytoextraction efficiency of ryegrass (Lolium perenne L.)
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Effects of the combined pollution of cadmium, lead and zinc on the phytoextraction efficiency of ryegrass (Lolium perenne L.)

机译：镉，铅和锌的综合污染对黑麦草（Lolium perenne L.）植物提取效率的影响

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摘要

The effects of cadmium (Cd), lead (Pb) and zinc (Zn) combined pollution on the phytoextraction efficiency of ryegrass ( Lolium Perenne L.) were investigated in this work. Orthogonal experimental design was adopted in pot test (composition and interaction). The results showed that, with the increase of heavy metal concentration, the accumulation of elements in ryegrass was increased. The order of enrichment in root was Cd > Pb > Zn, was Zn > Pb > Cd in the stem and leaf, and the order of total EF was Cd > Zn > Pb. Ryegrass revealed the strongest enrichment effect on soil Cd and a strong ability to transfer Zn. Besides, ryegrass showed good potential in phytoextraction heavy metal Cd pollution and Cd × Zn combined pollution.
机译：在这项工作中，研究了镉（Cd），铅（Pb）和锌（Zn）复合污染对黑麦草（Lolium Perenne L.）植物提取效率的影响。罐试验（组成和相互作用）采用正交实验设计。结果表明，随着重金属浓度的增加，黑麦草中元素的积累增加。根的富集顺序为Cd> Pb> Zn，茎叶中的富集顺序为Zn> Pb> Cd，总EF的顺序为Cd> Zn> Pb。黑麦草显示出对土壤Cd的最强富集作用和强大的Zn转移能力。此外，黑麦草在植物提取重金属Cd污染和Cd×Zn复合污染方面显示出良好的潜力。

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