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The National Corn Growers Association yield contest produced a national winner above 600 bushels per acre, with 27 national winners averaging over 376 bushels per acre. State winners in the upper Midwest exceeded 300 bushels per acre even though the year began in drought.
Contest yields are cherry-picked plots and do not change the commercial crop estimate, so the price effect is minimal, though they signal genetic yield potential.
agweek.comMikkel Pates2021年12月23日在过去 770 次中性的报告事件之后，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 -1.1% 至 +1.6%），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。
