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Farmers navigate nitrogen supply challenges

As corn producers gear up for side-dress nitrogen applications this season, many are facing a new challenge — a tightening fertilizer supply chain.

According to recent market insights, the North American urea ammonium nitrate (UAN) and urea markets are experiencing a convergence of disruptions that could affect availability and pricing through the remainder of the growing season.

What’s driving the shortage?

Josh Linville, vice president of Fertilizer at StoneX, attributes it to several overlapping factors. First, the extended fertilizer application window due to a dry fall has led to increased early spring demand.

Compounding this issue, unexpected shutdowns at nitrogen production facilities and reduced import volumes have left supply chains unable to keep pace. Meanwhile, more UAN has been shipped overseas, limiting domestic availability.

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Dr. Fei Yang Discusses Corn Rootworm, European Corn Borer, and Pest Monitoring

Video: Dr. Fei Yang Discusses Corn Rootworm, European Corn Borer, and Pest Monitoring

What insect threats are Minnesota corn growers facing, and what research is helping farmers stay ahead of them?

At the 2026 MN Ag Expo, University of Minnesota entomologist Fei Yang shared updates on three Minnesota Corn-supported research projects focused on insect monitoring, seed treatments, and pest resistance.

Current work includes statewide monitoring programs that use pheromone, light, and sticky traps to track key pests such as black cutworm, true armyworm, corn earworm, European corn borer, and corn rootworm. Researchers are also evaluating whether high-rate seed treatments provide effective corn rootworm control and studying the development of resistance in European corn borer populations to Bt corn traits.

These projects help researchers better understand pest pressures across Minnesota and provide farmers with practical information to support informed management decisions.