Welcome to Journal of Agriculture,

Journal of Agriculture ›› 2023, Vol. 13 ›› Issue (2): 20-23.doi: 10.11923/j.issn.2095-4050.cjas2021-0169

Previous Articles     Next Articles

Research Advances in Soil Heavy Metal Pollution and Its Phytoremediation

WANG Saiyi(), WANG Yijun, ZHAO Yazhou(), HOU Yanqi   

  1. Beijing University of Agriculture, Beijing 102206, China
  • Received:2021-10-19 Revised:2021-12-26 Online:2023-02-19 Published:2023-02-19

Abstract:

With the acceleration of urbanization and industrialization, soil heavy metal pollution has been an environmental problem with common concern at home and abroad, and has seriously threatened the stability of the earth’s ecosystem and the safety of human life. Therefore, it is urgent to solve such a problem. Based on the introduction of the current situation of soil heavy metal pollution, the paper summarized the effects of soil heavy metals on plants, introduced the phytoremediation mechanism of soil heavy metals and the advances in the research of soil heavy metal phytoremediation. The paper put forward the research orientation in the future: hyperaccumulators should be selected to lay a foundation for the research on the phytoremediation mechanism of soil heavy metal pollution; the effects of microorganisms on phytoremediation should be the research focus; the research on woody plants should be strengthened, especially the research on the ability of indigenous plants with strong tolerance to soil heavy metal pollution; and the research on the safe recovery and rational utilization of hyperaccumulators after their withering should be conducted.

Key words: soil, heavy metal, phytoremediation, adsorption mechanism, research orientation