Question
Available soil water capacity is the moisture held
between field capacity and the permanent wilting point. The soil water potential at the permanent wilting point is approximately:Solution
The soil water potential at the permanent wilting point is -15 bar, the soil moisture is held so tightly by the soil particles that it becomes unavailable for plant uptake. Plants wilt because they cannot extract water from the soil at this level of water potential.
Bael is rich source of:
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