Some basic knowledge about heavy metal pollution in soil

In recent years, Chinas emphasis on soil remediation, namely soil ecological environment improvement and soil pollution control, is obvious to all. Soil pollution is concealed and lagging, while soil pollution control and soil remediation are undoubtedly faced with complex pollution components and high technical thresholds. Especially, the soil contaminated by heavy metals is easy to accumulate, difficult to transfer, and has a high level of hazard. Originally, ecology is a whole, and soil contamination prevention needs to clear obstacles from all aspects and overcome difficulties. For example, the standards in the field of soil remediation are not perfect, and experts have been researching, discussing and compiling updated standards. Not long ago, the China Association of Environmental Pr

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