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Edge of Field Technology to Eliminate Nutrient Transport from Croplands: Specific Focus on Denitrification Bioreactors

In: Soil Contamination - Current Consequences and Further Solutions

Author

Listed:
  • Michael Thomas Aide
  • Indi Braden
  • Sven Svenson

Abstract

Tile drainage effluent from agriculture fields is beneficial to production agriculture; however, nitrate and phosphate transport from production fields to surface water resources is an environmental concern. The David M. Barton Agriculture Research Center (Cape Girardeau County, Missouri, USA) has a 40 ha controlled subsurface tile drainage/irrigation technology with associated denitrification bioreactor. Nitrate-bearing effluents from the controlled subsurface tile drainage/irrigation technology under a corn (Zea mays L.)-soybean (Glycine max L) rotation is sufficient to be an environmental concern. Nitrate-bearing effluent passage through the denitrification bioreactor typically promotes sufficient nitrate reduction (denitrification) that the bioreactor effluent water is less than 10 mg NO3-N/L. Phosphorus, ammonium-N, and sulfate-S concentrations are not appreciably influenced by denitrification bioreactor passage.

Suggested Citation

  • Michael Thomas Aide & Indi Braden & Sven Svenson, 2016. "Edge of Field Technology to Eliminate Nutrient Transport from Croplands: Specific Focus on Denitrification Bioreactors," Chapters, in: Marcelo L. Larramendy & Sonia Soloneski (ed.), Soil Contamination - Current Consequences and Further Solutions, IntechOpen.
    • Handle: RePEc:ito:pchaps:105655
    DOI: 10.5772/64602
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    More about this item

    Keywords

    bioreactors; nitrate; controlled drainage; water quality; denitrification;
    All these keywords.

    JEL classification:

    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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