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土壤水吸力
释义
土壤水吸力
Encyclopedia
理学
流体力学
释
soil water suction
土壤水吸力
在基质势和溶质势的作用下,土壤水自发流向水势低处的能态或趋势。这是因为基质势和溶质势均为负值,使用时多有不便,为此将基质势和溶质势的负数定义为吸力,分别称之为基质吸力和溶质吸力。
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