水分管理对重金属污染土壤植物修复效果的影响研究综述

随着人们生活水平的提升、工业化进程和城市化的不断发展，土壤重金属污染已成为当今社会发展面临的一个很严峻的环境问题，因此加强土壤重金属污染的修复刻不容缓。近年来兴起的植物修复技术相比于其它修复技术有着良好的发展前景，但植物修复效率一直是困扰该技术的难题。大量研究表明，水分管理会引起土壤理化性质及重金属形态的改变，同时改变植物体内重金属的含量和迁移。本文在前人的研究基础上，综述了水分管理对土壤物理、化学、生物学性质以及植物本身的影响，分析了不同水分条件下植物的修复效率，提出了未来发展建议，为保证我国粮食安全和农业绿色发展提供理论基础和实践依据。

Effects of Water Management on Phytoremediation of Heavy Mental Contaminated Soils

With the improvement of people’s living standards, the continuous development of industrialization and urbanization, soil heavy metal pollution has become a very serious environmental problem. It is urgent to strengthen the remediation of soil heavy metal pollution. In recent years, phytoremediation techniques have a promising future compared with other remediation techniques, but the efficiency of phytoremediation was a difficult problem. A large number of studies have shown that water management can change the physical and chemical properties of soils and the form of heavy metals, and affect the content and migration of heavy metals in plants. Based on previous studies, this paper reviewed the effects of water management on soil's physical, chemical and biological properties, as well as plants themselves, analyzed the remediation efficiency of plants under different water conditions, and the suggestions for future development were put forward, which will provide a theoretical and practical basis for ensuring food security and green agricultural development in China.