Northwest and Allee Research and Demonstration Farms

Impact of 4R Management on Crop Production on Tile Drainage Plots

Authors: ,


Corn Belt corn and soybean producers are increasingly challenged to maximize crop production, while addressing the contributions farm practices make to Gulf hypoxia. Based on the need for nitrate-N reductions in surface water systems to meet water quality goals, new management practices are needed to reduce nitrate-N losses at minimal cost and maximum economic benefits. This field research and demonstration project is evaluating various promising N management methods and technologies by documenting the nitrate-N export and crop yield from various systems. Due to the dry conditions there were few water samples.


How to Cite: Helmers, M. J. & Pederson, C. (2022) “Impact of 4R Management on Crop Production on Tile Drainage Plots”, Iowa State University Research and Demonstration Farms Progress Reports. 2021(1).