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Reduce nitrate in subsurface drainage systems with woodchip bioreactors. Explains how bioreactors work, how to install and use them, their positive and negative impacts, and their costs.
Iowa State University Extension and Outreach
Environment, Water Resources and Water Quality, Leopold Center, Agricultural and Biosystems Engineering
Bioresource and Agricultural Engineering | Water Resource Management
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Christianson, Laura E. and Helmers, Matthew J., "Woodchip Bioreactors for Nitrate in Agricultural Drainage" (2011). Agriculture and Environment Extension Publications. 85.