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Paraná's Department of Rural Economy (Deral) cut its second-crop corn estimate from 17.6 to 17.05 million metric tons on lower yields from dry weather in later-planted fields. Paraná accounts for about 16% of Brazil's second-crop output.
Mato Grosso and other large states still report favorable conditions.
The reduction is the first meaningful crack in the bearish safrinha harvest narrative, though it does not yet change Brazil's national outlook. It supports corn prices at the margin if further state-level cuts follow.
foodgeopolticsreport.substack.comLuis VieiraJul 30, 2026After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), 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.
