Soil cannot regenerate, so please prevent soil pollution and desertification, and reduce soil erosion.

土壤不能再生，防止土壤污染和沙化，减少水土流失。

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Anti-diseases anvil-wood is very effective in brinjal engrafting to prevent soil-transmitted diseases and increase production greatly with no pollution.

抗病砧木在茄子嫁接中非常有效，防止通过土地传播的疾病，无污染地大大增加产量。

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Soil utilization of sewage sludge is an important international method of treating sewage sludge, and how to prevent the pollution of heavy metal is always the most important problem.

污泥土地利用是当今国际上非常重视的污泥处置方式，如何防止重金属的污染一直是污泥农用中最重要的问题。

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