Transitioning to Organic Grain Production: Strategies to Maximize Profitability and Ecosystem Services while Reducing Risks and Barriers

Project Director

Raymond R. Weil


Year Funded

2019


Award Number

2019-51106-30195


Funded Institution

University of Maryland


Grant Program

ORG (Organic Transitions)


USDA NIFA Report

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Project Overview

Organic grains fetch a substantial price premium and demand for organic feed grains far exceeds domestic supplies, creating a strong market incentive for grain farmers to go organic. Challenges include learning how to farm without synthetic inputs, greater reliance on tillage, excess P accrued with manure-based fertility, and lower yields sold at conventional grain prices during the three-year transition period.

This project evaluated four transition strategies: perennial alfalfa-grass hay (no tillage), and an oat-corn-soy rotation with cover crops and minimal, reduced, or full schedules. Field trials were completed at three sites and certified organic corn was grown in year 4 after all treatments. Soil health parameters, nutrient losses, crop yields, and net economic returns were documented.

Farmer Takeaways

(1) Reducing tillage during the three-year transition period improves soil health outcomes and reduces erosion risks.
(2) Growing perennial forages for hay during the transition may enhance soil health, corn yields in the first certified organic year, and economic viability of the transition.
(3) Suitable and correctly adjusted planters are essential for seed-soil contact, crop establishment, and viable yield in minimum-till organic grain crop production.
(4) Timely (ASAP after harvest) cover crop planting is essential for soil health benefits. Deep-rooted cover crops planted early in fall can recover all soluble N to 5-7ft depth.
(5) A high-biomass cover crop mix of grass, legume, and crucifer can substantially enhance soil P, Ca, Cu, Zn, and Mn, and may make P applications unnecessary.

Project Outputs

Crop Productivity and Soil Health During Transition to Organic Grain 2023 Presentation | University of Maryland

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Transition to Organic Grain: Summary of Agronomic and Soil Health Results 2022-2023 | University of Maryland

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Interested in $10 Corn and $30 Soybeans for Certified Organic, but Not Sure How to Transition? | University of Maryland Extension Article

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Webinar: New Lessons Learned in Organic Grain Transitions | University of Maryland

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Organic Transition Impacts to Soil Health and Crop Productivity – Biwek Gairhe PhD Seminar | University of Maryland

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