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Iowa State University reported that drought stress from low rainfall and high temperatures is spreading across Iowa. As of the July 30 report, 23 of Iowa's 99 counties were in severe drought, up from 15 the week before.
Hardest-hit areas were in western Iowa, with dryness moving into central parts of the state.
Expanding severe drought in a major corn and soybean state raises the risk of yield loss during grain fill. This supports corn and soybean prices if the dryness persists.
farmprogress.comRod Swoboda2020年7月31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%。
在过去 1,079 次看涨的天气事件之后，大豆 在 5 个交易日内中位数变动 +0.3%（54% 上涨；中间一半区间为 -1.4% 至 +2.0%），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。
