Computer · Irrigation Engineering
How does subsurface tile drainage primarily help to increase crop yields in waterlogged agricultural fields?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It increases the amount of free gravity water retained in the root zone.
- 2It decreases the air circulation within the root zone.
- 3It increases the water table level closer to the surface.
- 4It increases the effective volume of aerated soil available for root growth.✓
Correct answer
It increases the effective volume of aerated soil available for root growth.
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