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Chapter 2 Soils - USDA
formula for the computation of available water capacity is AWC = (db × T × Pw)/ (dw × 100) Where: AWC = Available water capacity in inches ... worm and decayed root holes, and cavities introduced by tillage. Surface sealing or crusting will restrict infiltration. Percolation is the movement of water through the soil profile. In order for ...
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