ABSTRACT

Soil, as a kind of important, full of vitality and extremely limited resource, which not only provides a variety of nutrients needed for the survival of human beings, but also accepts pollution from industrial and domestic waste water, solid waste, pesticides, fertilizer and other substances from atmospheric reduced dust. With the characteristic of persistence, toxicity, hysteresis, concealment ability, perennial and biological enrichment, pollutions of heavy metals in soil may do sustained serious harm to biology and human health, therefore, preventing and controlling the pollution of soil has become one of the most important environmental problems (Li et al. 2009).