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A new study attributes 28 percent of Corn Belt maize yield gains since 1981 to warmer conditions, moderated hottest-season temperatures, and climate-driven planting and hybrid choices. The study covers 12 Corn Belt states using USDA data through 2017.
Findings that climate trends have boosted yields support a larger long-run corn supply, a mildly bearish structural factor for feed grain prices.
After 357 past bearish weather events, Corn moved a median -0.3% over 5 sessions (44% higher; middle half -2.2% to +1.3%), and -0.5% 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.