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Evaluating the Impact of Nitrogen Fertilization Treatments and Irrigation on Soil Health Indicators in a Long-Term Crop Rotation Research Plot

Author

Listed:
  • Howard, Andria
  • Shange, Raymon
  • Kumi, Anthony S.
  • Githinji, Leonard
  • Feng, Yucheng
  • Ankumah, Ramble

Abstract

Many agriculturalists have been focusing on the most efficient farming method that would produce the maximum yield while still sustaining the soil ecosystem. Soil samples were collected from the “ Old Rotation ” area (Auburn University, Auburn, AL ), and were assessed for soil biochemical, chemical and biological characteristics related to soil quality. Treatments of the experimental site were a control with no legumes or N fertilizer; cotton every year with winter legumes ; a 3 - yr cotton - corn - soybean rotation with wheat and winter legumes ; and cotton every year with N fertilizer . Impacts of irrigation were also tested between the sites. Assays were performed measuring phosphomonoesterase and phosphodiesterase activity, soil organic carbon , soil pH , and microbial diversity. The 3 - year and winter legume rotation s showed significant differences in the structure and membership of microbial communities and differences in biochemical activity. These results further demonstrate the ability of crop rotation to enhance the soil health of agricultural ecosystems.

Suggested Citation

  • Howard, Andria & Shange, Raymon & Kumi, Anthony S. & Githinji, Leonard & Feng, Yucheng & Ankumah, Ramble, 2017. "Evaluating the Impact of Nitrogen Fertilization Treatments and Irrigation on Soil Health Indicators in a Long-Term Crop Rotation Research Plot," Professional Agricultural Workers Journal (PAWJ), Professional Agricultural Workers Conference, vol. 4(2), June.
    • Handle: RePEc:ags:pawjal:262318
    DOI: 10.22004/ag.econ.262318
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    References listed on IDEAS

    as
    1. Shange, Raymon & Martin, Richard & Khan, Victor & Daniels, Kwesi & Hunter, George X. & Johnson, Gwendolyn J. & Musser, Steve & Puckett, William & Hill, Walter A., 2014. "Extending Sustainable Irrigation Opportunities To Socially And Historically Disadvantaged Farmers In The Alabama Black Belt To Support Commercial-Level Production," Professional Agricultural Workers Journal (PAWJ), Professional Agricultural Workers Conference, vol. 1(2), pages 1-10.
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