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Meteorologist Eric Snodgrass says a small shift in the summer ridge explains why 2017 produced record corn yields rather than drought. He notes that a delay in Brazil's rains pushed back planting of the safrinha corn crop by about a month.
He expects a wetter, more active storm track in the Corn Belt this winter.
Brazil's delayed safrinha planting raises the risk of lower second-crop corn output, which could support export corn prices later in the marketing year. The US weather outlook has less direct price effect.
brownfieldagnews.comLarry Lee2017年11月17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。
