加载中…
A Stanford study reports that U.S. corn yields have risen overall thanks to new technologies and management, but the crop has become more sensitive to drought. The corn industry set record yields in five of the last seven years.
The study's lead author says the cost of bad weather is rising.
Growing drought sensitivity means bad seasons carry larger yield losses and higher input costs, a modest supportive factor for corn prices over time. It is a study of trends, not a current supply event.
futurefarming.comHugo Claver2020年11月10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。
