Project Objectives
1. Evaluate the response of soybean yield across four application rates (0, 50, 100, and 150 pounds K2O per acre).
2. Determine K removal values for soybean.
3. Correlate the trifoliate leaf K concentration with soil test levels.
Project Deliverables
Outputs will be a better understanding of soybean potassium management and improve soybean profitability. The results from this study will be presented to extension agents and producers in field days and winter meetings. We are planning to do this trial for two years. At the end of the second year, results will be compiled into an extension article made available for stakeholders along with a short (< 5 minutes) YouTube video.
Progress of Work
Final Project Results
Benefit to Soybean Farmers
Outputs will be a better understanding of soybean potassium management and improve soybean profitability.
Performance Metrics
The ability of the potassium fertilizer applications to enhance growth and soybean yield will be quantified and analyzed at the end of the field trial. Economic cost/return sheets can be developed to determine how profitable the treatments are. Surveys at Soybean meeting in 2021 and 2022 will determine how many growers have adopted this strategy.