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永久萎蔫点
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永久萎蔫点
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植物分子生物学
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Permanent wilting point
永久萎蔫点
水与土壤基质紧密结合不能被根系吸收,植物叶片发生萎蔫,并且不能恢复,此时土壤水势为-1.5兆帕时的土壤含水量。是度量土壤水分状况的指标。又称萎蔫点。
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