Simple investigation of soil and water conservation calculates intensity of soil erosion and forecast soil and water losses.

水土保持样方调查主要是确定土壤侵蚀强度，预测水土流失。

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It is serious water shortage in agricultural production and rural development in one hand; seriously water and soil erosion has caused the losses of plenty of surface runoff in another hand.

一方面，农村生活及农业生产严重缺水，另一方面，强烈的水土流失又使得大量地表径流流失。

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