- permanent wilting
- noun
: wilting from which a plant will recover only upon addition of moisture to the soil
Useful english dictionary. 2012.
permanent wilting
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Permanent wilting point — (PWP) or wilting point (WP) is defined as the minimal point of soil moisture the plant requires not to wilt. If moisture decreases to this or any lower point a plant wilts and can no longer recover its turgidity when placed in a saturated… … Wikipedia
permanent wilting point — Saturation at which permanent wilting occurs [16] … Lexicon of Cave and Karst Terminology
permanent wilting point — Abbreviation: PWP The moisture content of a soil below which plants wilt to such an extent that they fail to recover even when fully watered … Glossary of Biotechnology
Wilting — refers to the loss of rigidity of non woody parts of plants. This occurs when the turgor pressure in non lignified plant cells falls towards zero, as a result of diminished water in the cells. The process of wilting modifies the leaf angle… … Wikipedia
wilting range — noun : the range of soil moisture percentages throughout which permanent wilting occurs : the range between the wilting coefficient and ultimate complete permanent wilting or even death of the plant … Useful english dictionary
wilting — noun causing to become limp or drooping • Syn: ↑wilt • Derivationally related forms: ↑wilt • Hypernyms: ↑weakening * * * noun ( s) Etymolo … Useful english dictionary
wilting coefficient — noun also wilting point : the level of soil moisture at which water becomes unavailable to plants and permanent wilting ensues echard … Useful english dictionary
wilting point — The moisture content of soil at which plants start to wilt, but not to the extent that they fail to recover when placed in a humid atmosphere. See: permanent wilting point … Glossary of Biotechnology
Pedotransfer function — (PTF) is a term used in soil science literature, which can be defined as predictive functions of certain soil properties from other more available, easily, routinely, or cheaply measured properties. This concept arises in soil science as… … Wikipedia
Available water capacity — or available water content (AWC) is the range of available water that can be stored in soil and be available for growing crops. [cite book |author=Richards, L.A. and Wadleigh, C.H. |year=1952 |chapter=Soil water and plant growth |title=Soil… … Wikipedia
