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DTN reports that rolled corn leaves and wilting soybean leaves appeared across parts of the Northern Plains and Midwest during early summer heat and drought. University of Minnesota research indicates corn yield losses from drought peak after the V13 growth stage and soybean losses are greatest around R5 seed filling.
Rainfall over the weekend of June 19-20 gave relief to southern Iowa, northern Illinois and southern Michigan.
Early-season stress is less damaging than stress during pollination and grain fill, so timely rain limits the yield risk priced into corn and soybeans. The relief reduces the weather premium if rains continue.
dtnpf.comEmily Unglesbee2021年6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。
