Soybean Cultivar Response to Subsurface Drainage and Subirrigation in Northeast Missouri
K. A. Nelson, C. G. Meinhardt, and R. L. Smoot
Claypan soil research has evaluated the effects of drainage systems on corn, soybean, and alfalfa response, but not the effects of drainage plus subirrigation (DSI) as part of an integrated water management system on high yielding soybean cultivar response in a claypan soil. The objective of this research was to evaluate the effects of cultivar selection and drainage water management system at 20- and 40-ft spacings on soybean response in a claypan soil.
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