Agronomy

In many areas of the Corn Belt, farmers experienced 10-to-50-bu.-per-acre yield losses from disease pressure this year, says Ken Ferrie. In a period of tight margins, timely treatment decisions were more crucial than usual.

Because every growing season is unique, agronomists are encouraging corn growers to make a management plan for the “driver diseases” they’re most likely to encounter in fields next year.

The companion piece to the Senate’s Fertilizer Research Act of 2025 has the same, ultimate goal: to provide U.S. farmers with more clarity on the pricing of crop nutrients, lawmakers say.

The fungal disease has spread to fields in at least seven states since 2018, including three new ones just this year. Once established, the pathogen is nearly impossible to eradicate, Extension plant pathologists report.

Number of bushels per acre is high on their list of priorities, but it’s not necessarily their No. 1 concern going into 2026.

Both products have been registered for use by the EPA, with one of them featuring a novel active ingredient.

Farmers wanting to hang onto the soil moisture in their fields are struggling to address compaction and ruts where there has been little to no recent rainfall. Anhydrous ammonia applications are also difficult to get sealed in fields where moisture is minimal.

As crops go into bins, growers will be looking to maintain quality until their marketing opportunities improve. Some ongoing management practices are vital to the process.

While many farmers in the state were delighted by the results the 2025 season delivered, that wasn’t the case everywhere. In some areas, Mother Nature delivered a series of agronomic problems that dominoed and turned a potential bin buster crop into one that was average at best by harvest.

Agronomists answer farmer questions about the role of nitrogen and other nutrients in lessening the potential impact of yield robbers such as southern rust and tar spot in corn.