In context to soil moisture what is Permanent Wilting Point PWP or Wilting Point ........

Agriculture and Rural Development (Phase-I/II) Soil and Water Conservation

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In context to soil moisture, what is Permanent Wilting Point (PWP) or Wilting Point?

Minimal point of soil moisture the plant requires to survive.

Minimal point of soil moisture at which earthworms survive

Soil Moisture at which plants germinate.

Minimum soil moisture below which soil loses its fertility

None of these

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Explanation:

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 atmosphere for 12 hours.

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