MU Drainage System Increases Yields,

University of Missouri agronomists found corn and soybean yields increase by 20 percent or more when they use drainage control systems, said Kelly Nelson, MU Extension agronomist at the Greenley Research Center, Novelty.

A combination of drainage and subirrigation boosts corn yields by 45 percent and soybean yields by 20 percent in claypan soils, Nelson said. The Greenley system allows excess water to drain and be retained as needed.

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