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Pecan wilting point

机译:山核桃

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摘要

Pecan trees can look good but be in serious water stress because they do not wilt. Many plants wilt as they run short of water. As horticulturists we talk about the temporary wilting point and then there is a permanent wilting point. The temporary wilting point is just that, temporary. When water arrives, roots absorb water and the tree recovers from the wilt and begins normal growth functions. The permanent wilting point is not so friendly. Once the soil moisture falls below 30 percent of its totalcapacity, roots die and growth stops.
机译:山核桃树看起来不错,但由于没有枯萎,因此面临严重的水分胁迫。许多植物因缺水而枯萎。作为园艺家,我们谈论临时的枯萎点,然后是一个永久的枯萎点。暂时的枯萎点只是暂时的。当水到达时,根吸收水分,树木从枯萎中恢复并开始正常的生长功能。永久的枯萎点不是那么友好。一旦土壤水分降至其总容量的30%以下,根系就会死亡,并且生长会停止。

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