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压力势（Ψp）

时间：2021-09-19 06:40 关键词：植物的水分代谢农学

答案解析

<p> 由于细胞壁压力的存在而增加的水势值。一般为正值。符号Ψp。初始质壁分离时，Ψp为0，剧烈蒸腾时，Ψp会呈负值。</p>

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