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(C) Permanent wilting percentage or coefficient $(PWC)$ is the minimum amount of water in the soil at which the plant can no longer extract sufficient

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Plant is permanently wilted

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(C) Permanent wilting percentage or coefficient $(PWC)$ is the minimum amount of water in the soil at which the plant can no longer extract sufficient water to maintain its turgor pressure.At this stage,the plant remains permanently wilted even if placed in a saturated atmosphere.If water is not added to the soil at this point,the plant will eventually die.

Permanent wilting percentage is that amount of water in the soil at which:

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