Physics · Hydrology and Irrigation
Which relationship involving the specific gravity of soil (S), Field Capacity (FC), and Permanent Wilting Point (PWP) is used to compute the available water (AW) for plants per meter depth of soil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1No such relationship exists
- 2AW = S × [PWP - FC]
- 3AW = S × [FC - PWP]✓
- 4AW = S - FC - PWP
Correct answer
AW = S × [FC - PWP]
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