By John Fulton, Elizabeth Hawkins, Stephanie Karhoff, and Aaron Wilson

Ohio State’s eFields program has allowed farmers across Ohio to conduct on-farm, field-scale research, generating practical insights into how products, technologies, and practices affect crop yields and profitability. One of the key strengths of on-farm research is its ability to aggregate data over time, enabling both regional and site-specific analysis of production strategies. For example, the eFields team conducted a seven-year statewide analysis that revealed planting date and relative maturity are key drivers of corn and soybean yields in Ohio, providing data-backed guidance for farmers and consultants.

The study analyzed data from 475 on-farm strip trials conducted between 2017 and 2023. These trials were carri

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