The correct answer is:

b. indicates that a soil has run out of plant available water

Explanation: The permanent wilting point (PWP) or wilting point is defined as the minimal amount of water in the soil that the plant requires not to wilt. If the soil water content decreases to this or any lower point, the plant wilts and can no longer recover its turgidity when placed in a saturated atmosphere for 12 hours. In other words, it indicates that a soil has run out of plant available water.

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The correct answer is:

b. indicates that a soil has run out of plant available water

Explanation: The permanent wilting point (PWP) or wilting point is defined as the minimal amount of water in the soil that the plant requires not to wilt. If the soil water content decreases to this or any lower point, the plant wilts and can no longer recover its turgidity when placed in a saturated atmosphere for 12 hours. In other words, it indicates that a soil has run out of plant available water.

Knowee AI · Accepted Answer

The correct answer is:

b. indicates that a soil has run out of plant available water

Explanation: The permanent wilting point (PWP) or wilting point is defined as the minimal amount of water in the soil that the plant requires not to wilt. If the soil water content decreases to this or any lower point, the plant wilts and can no longer recover its turgidity when placed in a saturated atmosphere for 12 hours. In other words, it indicates that a soil has run out of plant available water.

Soil permanent wilting point:Question 14Select one:a.indicates the maximum soil water available for plantsb.indicates that a soil has run out of plant available waterc.changes according to the seasond.is reached when the soil is at 0 kPa (0 Atm)e.indicates that the soil pore system is full of water

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