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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,铅和锌综合污染对黑麦草植物萃取效率的影响(Lolium Perenne L.)

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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 x Zn combined pollution.
机译:在这项工作中研究了镉(Cd),铅(Pb),铅(Pb)和锌(Pb)和锌(Pb)和锌(Zn)对黑痣(Lolium Perenne L.)的植物萃取效率的影响。 锅试验中采用正交实验设计(组成和相互作用)。 结果表明,随着重金属浓度的增加,Ryegrass中的元素的积累增加。 根部富集的富集顺序是Cd> Pb> Zn,茎和叶中的Zn> Pb> Cd,总EF的顺序为Cd> Zn> Pb。 Ryegrass揭示了对土壤CD的最强烈的浓缩效应以及强大的转移Zn能力。 此外,Ryegrass在植物萃取物重金属Cd污染和CD X Zn组合污染方面表现出良好的潜力。

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  • 来源
    《RSC Advances》 |2019年第36期|共9页
  • 作者单位

    Baoji Univ Arts &

    Sci Coll Geog &

    Environm Shaanxi Key Lab Disaster Monitoring &

    Mech Simula Baoji 721013 Peoples R China;

    Baoji Univ Arts &

    Sci Coll Geog &

    Environm Shaanxi Key Lab Disaster Monitoring &

    Mech Simula Baoji 721013 Peoples R China;

    Baoji Univ Arts &

    Sci Coll Geog &

    Environm Shaanxi Key Lab Disaster Monitoring &

    Mech Simula Baoji 721013 Peoples R China;

    Baoji Univ Arts &

    Sci Coll Geog &

    Environm Shaanxi Key Lab Disaster Monitoring &

    Mech Simula Baoji 721013 Peoples R China;

    Baoji Univ Arts &

    Sci Coll Geog &

    Environm Shaanxi Key Lab Disaster Monitoring &

    Mech Simula Baoji 721013 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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