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Excessive rainfall in Illinois and Nebraska has caused disease and yield concerns across the Midwest in 2025. Heat and rain swings have affected crops in several Corn Belt states.
The article describes conditions at farm show sites in Iowa, Nebraska and Illinois.
Localized yield losses from wet weather and disease are a modest supply risk, but they do not change the broader outlook. Prices would react only if losses spread across the region.
farmprogress.comSarah McNaughton-Peterson2025年8月21日在过去 445 次中性的天气事件之后，玉米 在 5 个交易日内中位数变动 +0.1%（52% 上涨；中间一半区间为 -1.4% 至 +1.6%），20 个交易日内为 +0.7%。
在过去 324 次中性的天气事件之后，大豆 在 5 个交易日内中位数变动 +0.0%（52% 上涨；中间一半区间为 -1.4% 至 +1.7%），20 个交易日内为 +0.7%。
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。
