Heavy metal pollution in soil-plant system is of major environmental concern on a world scale and in China in par-ticular with the rapid development of industry. The heavy metal pollution status in soil-plant system in China, the research progresson the bioavailability of heavy metals (affecting factors, extraction methods, free-ion activity model, adsorption model, multivariateregression model, Q-I relationship, and compound pollution), and soil remediation are reviewed in the paper. Future research andmonitoring is also discussed.
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