Persistent wet weather is stalling corn and soybean harvest across the Midwest, and the delays are now showing up in the crop itself rather than just in the calendar.

Jared Roskamp, a technical service representative for BASF who covers all of Missouri and the western corn belt, says the region's weather pattern has compromised stalk integrity in standing corn. "And we've seen some of the standability issues in corn come to fruition, some of the stalk rots that have occurred because of the weather pattern," Roskamp told Brownfield Ag News.

The agronomic picture he describes carries direct cost implications for growers. Stalk rot and poor standability mean corn left standing while fields stay wet is increasingly prone to lodging — downed plants that slow combines, raise harvest losses, and can push dockage and quality discounts at the elevator. Every pass through a lodged field burns more fuel and more hours per acre, squeezing margins at a point in the season when operators want harvest wrapped up quickly.

The stakes are also rising with time. As harvest stretches later, growers face a tightening weather window in which each additional week of rain or high humidity raises the odds that more acres go down before the combine reaches them. Downed corn does not recover; it only deteriorates.

Roskamp's territory — Missouri and the western corn belt — sits in the zone where wet conditions have been most disruptive this season, and his field observations point to the same pattern agronomists watch for when saturated conditions persist through grain fill and into maturity: opportunistic stalk rot organisms colonizing tissue the plant can no longer defend.

For growers weighing whether to harvest wetter corn at a discount versus risking further standability losses in the field, the calculus has shifted toward getting crops out early. Drying costs are real, but lodged corn left through additional weeks of poor weather can translate into larger mechanical harvest losses that no discount can offset.

Roskamp's field reports align with what farmers and agronomists across the region are watching closely: how much of the crop remains standing and harvest-ready by the time fields finally support equipment.