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Agronomist Nicole Stecklein identified five factors behind below-average corn yields in east-central Iowa in 2025. These included early planting that underperformed, soil crusting, and wind and heat stress during pollination and grain fill.
Localized yield shortfalls in a major Iowa corn area reduce supply slightly, but they are not large enough to shift national corn prices on their own.
agweb.comNov 3, 2025After 445 past neutral weather events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.4% to +1.6%), and +0.7% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
