Subsurface Drainage Water Management
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Drainage water management, in the context of subsurface agricultural drainage, consists of managing outflow with a goal of reducing drainage volume. Because less water is leaving the system, a corresponding reduction in the amount nitrate-nitrogen can be expected, although concentrations tend to be similar when compared with conventional drainage. The objective of this work is to determine the impact of drainage water management on drainage outflow, water table depth, and crop yields.