Journal of Taiwan Agricultural Research

Author:Yi-Jing Chen and Chwen-Ming Yang*

Abstract:

Due to long-term natural phenomena and other man-made activities such as the development of industrial and mining enterprises, excessive use of agricultural fertilizers and farmland irrigation with industrial wastewater, the sources of heavy metals in the world’s ecosystems have continued to increase and heavy metal pollution in soils has become more and more serious. Taiwan is no exception. Soil heavy metal pollution involves issues of public concern such as land use, national health, home security, and food security, and therefore has received widespread attention from all parties. As such, the remediation and restoration of soil heavy metal pollution is an important environmental concern and a widely valued social and economic focus. Heavy metal pollution poses a serious threat to plant growth and hidden worries to the production of food crops and food security. In recent years, the development of cost-effective, efficient, environmentally friendly, low-priced, and easy vegetation remediation technologies to remediate heavy metal-contaminated soil has become one of the research focuses of academic fields such as environment, geography, soil, and agronomy. This article collates and introduces some available heavy metal pollution remediation and restoration technologies, especially the heavy metal hyperaccumulator plants related to phytoremediation, which will benefit further in-depth research and application in the future.

Key words:Heavy metal hyperaccumulator plants, Hyperaccumulating plants, Soil heavy metals, Pollution remediation and restoration, Phytoremediation

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