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An Iowa State University agronomist says crop genetics have far more yield potential than farms realize, citing yield contests where corn has topped 600 bushels per acre and soybeans 200. A study of 104 Midwest experiments on hybrids released 1980–2020 found harvest index rose from about 47% to 55%, with breeding gains coming from many small traits.
Rising genetic yield potential supports longer-run supply growth and bearish pressure on corn and soybean prices, though realized yields remain the actual supply driver and this is general research rather than a new market event.
agriculture.comNov 3, 2026After 1,100 past bearish report events, CORN moved a median -0.2% over 5 sessions (48% higher; middle half -1.8% to +1.3%), and +0.0% over 20.
After 787 past bearish report events, SOY moved a median -0.3% over 5 sessions (47% higher; middle half -2.0% to +1.5%), and -0.9% 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.
