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中国农学通报 ›› 2025, Vol. 41 ›› Issue (30): 97-104.doi: 10.11924/j.issn.1000-6850.casb2025-0412

• 资源·环境·生态·土壤 • 上一篇    下一篇

植物—微生物联合修复镉污染土壤研究进展

王翔1,2(), 苏胜1,2, 毛伟1,2, 陈明1,2, 刘翔麟1,2, 杨天明1,2, 褚宏远1,2, 徐迅燕1,2()   

  1. 1 扬州市耕地质量保护站, 江苏扬州 225000
    2 农业农村部耕地质量监测与评价重点实验室, 江苏扬州 225000
  • 收稿日期:2025-05-19 修回日期:2025-09-10 出版日期:2025-10-25 发布日期:2025-11-04
  • 通讯作者:
    徐迅燕,女,1988年出生,江苏泰州人,高级农艺师,硕士。通信地址:225000 江苏省扬州市邗江区江海路19号 扬州市农业科技中心,Tel:0514-87346579,E-mail:
  • 作者简介:

    王翔,男,1991年出生,江苏扬州人,助理农艺师,本科。通信地址:225000 江苏省扬州市邗江区江海路19号 扬州市农业科技中心,Tel:0514-87346579,E-mail:

  • 基金资助:
    国家重点研发计划项目“我国中低产田耕地质量监测评价与演变特征”(2023YFD1901501)

Research Progress of Plant-microbe Remediation for Cd Contaminated Soil

WANG Xiang1,2(), SU Sheng1,2, MAO Wei1,2, CHEN Ming1,2, LIU Xianglin1,2, YANG Tianming1,2, CHU Hongyuan1,2, XU Xunyan1,2()   

  1. 1 Yangzhou Cultivated Land Quality Protection Station, Yangzhou, Jiangsu 225000
    2 Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou, Jiangsu 225000
  • Received:2025-05-19 Revised:2025-09-10 Published:2025-10-25 Online:2025-11-04

摘要:

镉污染对全球农田安全构成严峻挑战,保障耕地质量是农业可持续发展的关键。本研究系统梳理了土壤中镉的来源及赋存形式,总结了植物与微生物联合体系的协同作用机制,包括根系互作、代谢物调控及镉形态转化等核心途径。同时,概述了植物—微生物联合修复体系中植物和微生物的主要类型、特征及典型功能组合案例(如超富集植物-促生菌、耐性植物-菌根真菌等),阐释了其修复镉污染土壤的作用机理及其影响因素。研究表明,由于植物与微生物之间的协同作用,相较于单一修复体系,联合修复体系对土壤中重金属镉的修复效率具有明显优势,且能有效降低二次污染风险。然而,该体系仍存在野外环境中微生物定殖稳定性不足、修复周期较长等局限。最后,针对未来研究方向,建议引入生态友好型功能材料(如生物炭、纳米材料等),以期为镉污染土壤修复提供高效、环境友好的技术方案。

关键词: 植物—微生物联合修复, 镉污染土壤, 修复机制, 功能微生物组

Abstract:

Cadmium pollution has become a major global challenge to farmland safety, and safeguarding the quality of farmland is of paramount importance. This paper examined the sources and speciation of cadmium in soil, summarized the efficacy and mechanisms of plant-microbe systems in remediating cadmium-contaminated soils, including root interaction, metabolite regulation and cadmium speciation transformation. This study introduced the primary sources and characteristics of both plants and microorganisms in such synergistic systems, and elucidated the underlying remediation mechanisms as well as key influencing factors. Owing to the synergistic interactions between plants and microorganisms, the combined remediation system demonstrated superior efficiency in remediating cadmium-contaminated soils compared to individual remediation approaches. Finally, in view of the future research direction, it is recommended to introduce eco-friendly functional materials (such as biochar, nanomaterials, etc.) in order to provide efficient and environmentally friendly technical solutions for the remediation of cadmium-contaminated soil.

Key words: plant-microbe combined remediation, cadmium-contaminated soil, remediation mechanism, functional microbiome