Abstract
Research has been conducted in Iowa to investigate potassium (K) fertilization of corn and soybean, but not at this farm. Insufficient K amounts in the soil or applied with fertilizer or manure significantly decreases crop yield end economic benefits to growers. Also, research in other locations has shown large soil-test K temporal variability within a season or from the fall to spring. Therefore, a study was initiated in 2009 to investigate these issues
Keywords: RFR A12123, Agronomy
How to Cite:
Mallarino, A. P., Oltmans, R. R. & Piekema, N., (2013) “Potassium Fertilizer Effects on Yield of Corn and Soybean and on Potassium Uptake and Recycling to the Soil”, Iowa State University Research and Demonstration Farms Progress Reports 2012(1).
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