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wilting point
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wilting point
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农学
萎蔫含水量
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wilting point
萎蔫含水量
植物发生永久萎蔫时的土壤含水量。又称萎蔫系数或萎蔫点,是土壤水分常数之一。是植物能够从土壤中吸收利用的土壤含水量的最小值,通常与土壤基质势为-1500千帕的状态相对应。
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