砂田还可有效地防止风蚀和水蚀，具有保水保土保肥的作用。
Sandy field can effectively prevent wind and water erosion and has an effect of retaining water and preserving fertilizer.
砂田还可有效地防止风蚀和水蚀，具有保水保土保肥的作用。
Sandy field can effectively prevent wind and water erosion and has an effect of retaining water and preserving fertilizer.
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