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Food & Power reports that the USMCA includes provisions that could let agribusiness firms patent Mexico's native corn varieties and challenge Mexico's ban on GM corn cultivation. Advocacy groups warn this could harm Mexican smallholder farmers and reduce corn diversity.
A possible challenge to Mexico's GM corn ban could eventually expand GM corn demand and trade, but the effect is long-term and uncertain for prices.
foodandpower.netClaire Kelloway2018年10月10日在过去 439 次中性的政策事件之后，玉米 在 5 个交易日内中位数变动 +0.1%（51% 上涨；中间一半区间为 -1.3% 至 +1.2%），20 个交易日内为 +1.1%。
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。
