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Natalia Rogovska's dataset evaluates the impact of organic farming on water quality and crop yields in artificially drained midwestern Mollisols of central Iowa. The 7-year study compares tile nitrate loss and yields under three cropping systems from 2014 to 2020. It comprises monthly subsurface drainage discharge, nitrate concentrations, nitrate-nitrogen mass, and annual harvested grain and biomass yields.
License is U.S. Public Domain. The future 'last updated' date should be verified.