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Full-Text Articles in Agronomy and Crop Sciences
Residual Soil Nitrate Content And Profitability Of Five Cropping Systems In Northwest Iowa, Robert Dehaan, Matt Schuiteman, Ronald Vos
Residual Soil Nitrate Content And Profitability Of Five Cropping Systems In Northwest Iowa, Robert Dehaan, Matt Schuiteman, Ronald Vos
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Many communities in the Midwestern United States obtain their drinking water from shallow alluvial wells that are vulnerable to contamination by NO3-N from the surrounding agricultural landscape. The objective of this research was to assess cropping systems with the potential to produce a reasonable return for farmers while simultaneously reducing the risk of NO3-N movement into these shallow aquifers. From 2009 to 2013 we conducted a field-based experiment in Northwest Iowa in which we evaluated five cropping systems for residual (late fall) soil NO3-N content and for profitability. Soil samples were taken annually from …