Abstract
All cropping systems require fertilizer inputs to maintain crop yields. However, excess fertilizer, especially nitrogen (N) and phosphorus (P), can increase problems with water quality. Micronutrients are required for all crops. It is important for farmers to use the appropriate rates and methods of fertilizer application to optimize yields and minimize the impact on the environment. The purpose of these trials was to investigate the effect of various fertilizer practices on crop yield.
How to Cite:
Koopman, Z., Rogers, J., Zwiefel, B., Mitchell, T., Weaver, A., Fawcett, J. & Michel, J., (2019) “On-Farm Corn and Soybean Fertilizer Demonstration Trials”, Iowa State University Research and Demonstration Farms Progress Reports 2018(1).
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