Modern technology is used in the production of agriculture, by using various chemicals such as fertilizer and pesticide residues, the cause of these substances in the soil. And may extend into water and various sources in ecology and its variousAnd accumulate in the food web on the refrigerator. The substances used in the production process and substance as a result caused by the production process, such as lead, mercury,
.Arsenic, etc. will be harmful to health and the removal of the residue (Residuals) all end go hard, and to have an effect. . follow.
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