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United States Department of Agriculture

Agricultural Research Service

Title: Drainage Water Management for the Midwest

item Frankenberger, Jane
item Kladivko, Eileen
item Sands, Gary
item Jaynes, Dan
item Fausey, Norman - Norm
item Helmers, Matt
item Cooke, Richard
item Strock, Jeff
item Nelson, Kelly
item Brown, Larry

Submitted to: Extension Publications
Publication Type: Experiment Station
Publication Acceptance Date: 8/1/2006
Publication Date: 8/14/2006
Citation: Frankenberger, J., Kladivko, E., Sands, G., Jaynes, D.B., Fausey, N.R., Helmers, M., Cooke, R., Strock, J., Nelson, K., Brown, L. Drainage Water Management for the Midwest. Purdue Extension, Knowledge to Go. WQ-44. p. 1-8.

Interpretive Summary:

Technical Abstract: Subsurface tile drainage is an essential water management practice on many highly productive fields in the Midwest. However, nitrate carried in drainage water can lead to local water quality problems and contribute to hypoxia in the Gulf of Mexico, so strategies are needed to reduce the nitrate loads while maintaining adequate drainage for crop production. Practices that can reduce nitrate loads on tile-drained soils include growing winter forage or cover crops, fine-tuning fertilizer application rates and timing, bioreactors, treatment wetlands, and modifying drainage system design and operation. Drainage water management is one of these practices and is described in this fact sheet. Answers given here apply specifically to Midwest corn and soybean cropping systems, and not to perennial or winter annual crops.

Last Modified: 06/22/2017
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