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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 Vieira2026年7月30日在过去 1,465 次看涨的天气事件之后，玉米 在 5 个交易日内中位数变动 +0.2%（54% 上涨；中间一半区间为 -1.4% 至 +1.9%），20 个交易日内为 +0.9%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
