University of Wyoming Tests Coal Char for Crop Growth
Researchers are studying whether coal char can boost crop yields and soil moisture retention in Wyoming.
Updated on Oct. 28, 2026 in Organic Food
Live Poll
Should coal byproducts be used to improve soil health and crop yields in agriculture?
University of Wyoming researchers are investigating the use of coal char as a soil amendment to improve agricultural production. By adding this porous carbon material to test plots, the team aims to enhance soil health and water retention for various crops.
Why it matters
This research explores industrial alternatives for coal that avoid combustion emissions, offering a potential boost to agricultural efficiency in arid climates. The project specifically addresses regional water scarcity by focusing on soil moisture retention.
Test carrots grown using coal char measured 9 inches long and reached approximately one pound. The research project is scheduled to run for a total of three years.
The players
University of Wyoming
The institution is a public research university that serves as the state's primary center for agricultural and geological studies.
The details
Coal char is produced by heating coal in an oxygen-free environment through a process known as pyrolysis. The research team is testing its application on crops including corn, sugar beets, and carrots in Lingle, Wyoming, to leverage the material's organic carbon content and porous structure.
Timeline
2021: Coal mines accounted for 7% of U.S. methane emissions.
Year one of three: Current status of the research project.
Culture Shift
This project moves away from traditional energy-sector coal use, aligning with broader shifts toward sustainable land management. It reflects a pivot toward reusing industrial byproducts to address environmental challenges like water scarcity.
Local farmers and residents in arid regions may eventually have access to a new soil amendment that improves water retention for their crops. This could lead to more resilient vegetable gardens and increased agricultural efficiency in drought-prone areas.
The takeaway
Using coal char could transform how arid regions manage limited water resources for gardening and farming. This research highlights the potential for industrial byproducts to support sustainable agricultural growth.
Further reading
Learn more about local sustainable farming initiatives on the Wyoming Organic Food page.
Source note: This article includes information reported by Boise State Public Radio.
Live Poll
Should coal byproducts be used to improve soil health and crop yields in agriculture?
