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A research study by Sytsma and Wilson, using 2000 to 2017 data, examines how Midwest corn shippers choose between barge and rail as distance to a waterway changes. Barge carried about 86 percent of combined barge and rail corn tonnage in the studied zones.
The findings show how barge access shapes corn freight competitiveness, but it is background research with no new supply or price shock, so the direct market effect is limited.
feedandgrain.com2021年6月10日历史可比事件尚不足，暂无法给出历史解读。
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。
