土壤储存和过滤水源 | Land Portal

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Date of publication: 
December 2015
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ISBN / Resource ID: 
FAODOCREP:7c04d9c2-45e6-464f-b5ea-76c5db7f4df0
Pages: 
4
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功能性土壤在提供清洁水及抵御 洪水和干旱的能力上发挥了关 键作用。渗入土壤的水可存留 污染物, 防止其浸入地下水。 此外,土壤捕获和储存水,使水能够被作物 吸收,从而最大限度减少水面蒸发,最大限 度地提高水的利用率和生产率。有机质含量 高的健康土壤有能力存储大量的水,这不仅 在旱季有益,而且在强降雨季时也是如此。 旱季时,土壤水分对植物生长至关重要;强降 雨季时,通过减缓水流入溪的速度,土壤减少 了洪水和径流。

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