V2EX wilting point

Wilting Point

Definition / 定义

萎蔫点;凋萎点:植物因为水分不足而发生萎蔫的临界状态或所对应的土壤含水量。常见于植物生理学与土壤学语境;更具体时可指 permanent wilting point(永久萎蔫点),即即使补水后也难以恢复挺立的程度。

Pronunciation / 发音

/wlt pnt/

Examples / 例句

The leaves drooped because the soil was near the wilting point.
叶子下垂了,因为土壤含水量接近萎蔫点。

In drought conditions, farmers monitor soil moisture closely so crops don’t cross the wilting point and suffer lasting yield loss.
在干旱条件下,农民会密切监测土壤水分,避免作物越过萎蔫点而造成持续性的减产。

Etymology / 词源

wilt 表示“(植物)萎蔫、枯萎”,来自中古英语,与“失去挺立、变软塌”的含义相关;**-ing** 构成现在分词作定语;point 表示“点、临界点”。合起来就是“发生萎蔫的临界点”。

Related Words / 相关词汇

Literary Works / 文学作品例证

  • Soil Physics(William A. Jury & Robert Horton)
  • Introduction to Soil Physics(Daniel Hillel)
  • Plant Physiology(Lincoln Taiz & Eduardo Zeiger)
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