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China pledged to buy $17 billion of US farm goods annually through 2028, excluding soybeans, under a trade truce, but has not yet made the large non-soybean purchases expected after the May leaders' meeting. Heat and floods in China are threatening corn, sorghum and cotton crops, particularly during corn pollination in the North China Plain and in Xinjiang cotton areas.
Chinese weather losses could lift its import demand for corn, sorghum and cotton meal substitutes, supporting US feed grain and related prices. Delayed US purchase follow-through keeps trade uncertainty elevated.
reuters.comElla Cao2026年8月27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%。
历史可比事件尚不足，暂无法给出历史解读。
历史可比事件尚不足，暂无法给出历史解读。
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。
