University of Illinois Extension
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Bioreactors, Water Table Management, and Water Quality


  • Tiling is a necessary component of modern agriculture.
  • Nitrate and phosphorus loadings from tile adds to surface water quality concerns, and Gulf Hypoxia.
  • Controlled Drainage and Bioreactors can be used to limit the amount of nutrient loading into surface waters, and can be used to manage soil moisture during drought conditions.

Photo courtesy NRCS