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| Research progress of intercropping, interplanting, and crop rotation models on remediation of cadmium contaminated soil by hyperaccumulators |
| Received:May 19, 2020 |
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| KeyWord:cadmium contaminated soil;hyperaccumulator;intercropping;relay intercropping;crop rotation |
| Author Name | Affiliation | E-mail | | YANG Jia-jie | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China | | | YOU Shao-hong | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China
Guilin University of Technology, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China | | | WU Jia-ling | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China | | | XU Yu | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China | | | LIU Jie | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China
Guilin University of Technology, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China | | | CHEN Zhe | College of Environment Science and Engineering, Guilin University of Technology, Guilin 541004, China
Guilin University of Technology, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China | ldchenzhe@qq.com |
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| Abstract: |
| The severity of heavy metal pollution in soil has increased the awareness of remediation methods. The technology of plant extraction is a focal point in the field of agriculture; however, a single plant extraction technology model is often unable to guarantee meeting the agricultural production demand of people in a polluted area. Therefore, the acceptance of this technology by local farmers is generally low. To solve the practical problems in the application and popularization of single hyperaccumulation phytoremediation technology in engineering, in this study, we present an effective strategy of "efficient phytoremediation and safe production."Furthermore, we summarized the concept origin and research scope of previous phytoremediation technology and hyperaccumulator plants; summarized the research progress of intercropping, interplanting, and crop rotation phytoremediation model based on the hyperaccumulator plants; and performed a statistical comparison. The effects of various plant cultivation modes on the comprehensive treatment of cadmium polluted farmland soil are discussed, and the research prospect of using different cultivation modes to repair cadmium polluted farmland soil in the future is proposed. |
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