Northeast Research and Demonstration Farm

Soybean Response to Sidedressed Liquid Potassium Fertilizer in Northeast Iowa

Authors: Antonio P. Mallarino (Iowa State University) , Louis B. Thompson (Iowa State University) , Ken T. Pecinovsky (Iowa State University)

  • Soybean Response to Sidedressed Liquid Potassium Fertilizer in Northeast Iowa

    Northeast Research and Demonstration Farm

    Soybean Response to Sidedressed Liquid Potassium Fertilizer in Northeast Iowa

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Abstract

Extensive research in Iowa has assessed the corn and soybean response to different potassium (K) fertilizer placement methods using granulated potash fertilizer (0-0-62), including a long-term experiment at this farm. However, no study had evaluated sidedressing K fertilizer for corn or soybean, although postemergence nitrogen sidedressing for corn is a common practice. Therefore, a study was initiated at the ISU Northeast Research Farm, Nashua, in 2017 to evaluate the value of sidedressed liquid K fertilizer for cornsoybean rotations.

How to Cite:

Mallarino, A. P., Thompson, L. B. & Pecinovsky, K. T., (2020) “Soybean Response to Sidedressed Liquid Potassium Fertilizer in Northeast Iowa”, Iowa State University Research and Demonstration Farms Progress Reports 2019(1).

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Published on
2020-04-01

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