Database Research Summaries
2017 Revising Fertilizer Recommendations for Soybeans

calendar_today Year of Research: 2017
update Posted On: 12/05/2019
group Steve Culman (Principal Investigator)
bookmark Ohio Soybean Council

Research Focus

The focus of this project is to build on our pre-existing work to update fertilizer recommendations for Ohio soybeans, focusing specifically on phosphorous (P) and potassium (K).


Determine best practices for fertilizing Ohio soybeans with P and K based on soil test levels and leaf tissue levels.


  1. We conducted of 15 phosphorus (P) trials, 15 potassium (K) trials and 11 sulfur (S) trials, for a total of 41 trials in 2017. We have compiled all data from soybean P, K, S fertilizer trials. Analysis in progress.
  2. We have submitted Ohio micronutrient factsheet for peer-review.
  3. We compiled 194 total studies (144 in soybean) that tested crop yield response to micronutrient fertilization. This represents a major effort of compiling and all available data in one place and guide management of micronutrients in field crop production.


This information will give us greater confidence in the management of P and K in Ohio soybean production, addressing the OSC FY2016 High Priority Research Strategy of research to determine best management practices for nutrient management and water quality.

For more information about this research project, please visit the National Soybean Checkoff Research Database.

Funded in part by the soybean checkoff.