Question
Download Solution PDFThe amount of water content remaining in a unit volume of soil after downward gravity drainage has ceased is called:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
SC = Saturation capacity, FC = Field capacity, OMC = Optimum moisture content, PWP = Permanent welting point and UWP = Ultimate welting point
- Field capacity is the water that cannot be easily drained under the action of gravity and having its presence in the root zone.
- The permanent Wilting point is the water content in the root zone below which the roots can no longer extract water for their growth and dries up.
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Readily available moisture is that portion of available moisture that can be most readily extracted by plants.
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In general, readily available moisture is approx 75 % of the available moisture.
- The difference in water content of soil between field capacity and the permanent wilting point is called available moisture.
Last updated on May 28, 2025
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