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Impacts of Subsurface Drainage
in Corn-Soybean Rotations

By Dr. Matt Helmers
Associate Professor
and Extension Engineer, Iowa State University

Watch Presentation (32 min 26 sec)

for PC and Android | for Apple devices




This presentation will help consultants, growers, and other practitioners in the Midwest region increase their understanding of subsurface drainage and factors to consider when planning or evaluating the need for a subsurface drainage system. Specifically, the impacts of drainage on water movement, crop production, and nitrate-nitrogen loss will be described. In addition, factors to consider related to drain spacing and sizing will be described.

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