Discussion of Soil Heavy Metal Pollution and Remediation

In recent years,heavy metals pollution in soil is more and more serious,which has been paid more and more attention. This paper explained the sources and impacts of soil heavy metal pollutants. The main sources of heavy metal pollution is natural and anthropogenic inputs.Soil heavy metal pollution not only impact on soil microorganisms,but also have a profound impact on the animals,plants and even the survival of humanity. To alleviate the pollution of soil heavy metal,the paper described physical restoration,chemical remediation and bioremediation.