What would corn yields look like if there was a nuclear war?

Each year, farmers produce more than a billion metric tons of corn. As technology advances, researchers are looking at how that could change with nuclear contamination.

Researchers at Penn State University have studied how a nuclear war scenario would play out at nearly 40,000 locations around the world. Using their agro-ecosystem, they found that if five tons of soot were to drop, it would lower corn production by seven percent. On a larger scale, with 165 tons of soot, that number jumps to an 80 percent drop in corn yields.

Researchers say they hope this scenario never happens, but they warn it is always best to prepare for catastrophic events.

Related Stories
This case could influence how much leverage grain shippers have when a preferred rail outlet is blocked or priced too high.
Farm Bureau economist Dr. Faith Parum says EPA’s final biofuel volumes keep corn demand steady and strengthen the outlook for soybean-based diesel feedstocks.
RealAg Radio’s Shaun Haney and other experts break down ongoing energy market volatility, its impact on producer decision-making, and key indicators farmers should monitor moving forward.
U.S. export inspections turned in another strong corn week.
National Corn Growers First VP Matt Frostic joins us to discuss their 62nd annual yield contest, the new short-season corn pilot class, and what farmers can expect as the season gets underway.
HTS Commodities broker Lewis Williamson joins us to break down the latest USDA Crop Progress Report and how weather and global supply chain issues could influence planting conditions moving forward.

LATEST STORIES BY THIS AUTHOR:

CattleCon 2026 kicks off February 3 in Nashville. Kristin Torres with the National Cattlemen’s Beef Association joined RFD-TV to share more about what’s ahead at this year’s event.
Farmland values remain stable, but weakened credit conditions and lower expected farm income signal tighter financial margins heading into 2026.
The White House is now preparing to restore an Endangered Species Act (ESA) rule from the first Trump Administration.
Jerry Cosgrove with American Farmland Trust explains why farmers and ranchers should start their estate planning now.
Agriculture Shows
Hosted by Scott “The Cow Guy” Shellady and RFD News Markets Specialist Tony St. James, Commodity Talk delivers expert insight into the day’s ag commodity markets just before the CME opens. Only on RFD-TV and Rural Radio SiriusXM Channel 147.
A look at the news, weather and commodities headlines that drove agriculture markets in the past week.
Everything profits from prairie. Soil, air, water — and all kinds of life! Learn how you can improve your land with prairie restoration, cover crops and prairie strips, while growing your bottom line.
Special 3-part series tells the story of the Claas family’s legacy, which changed agriculture forever.