The Earth environment is the refuge of people and most of the shallow creature, is the Foundation for the civil construction, industrial and human culture. Land is a precious resource, the human use of land resources on agricultural production activities to ensure the food supply for humans. But with the increased pace in population and industrial growth and urbanization activities as at present, the area of arable land is increasingly being narrow, soil quality is increasingly degraded, per capita land area reduced. * What is soil pollution? Land pollution is considered all phenomena making environmental soil contamination by polluting agents. Contaminated soils contain a number of toxins, harmful substances for plants exceeding the concentration has to be regulated. For example the concentration of pesticides, chemical fertilizers, heavy metals in excess of the regulations of the World Health Organization.
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