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美国加拿大遭超级旱灾，全球粮价又要涨？郑风田：中国会受影响吗
三农智库 美国、加拿大、俄罗斯等多个国家遭遇旱灾 国际粮价会飞涨吗 全球会陷入粮荒吗 中国会受到影响吗 本期将对多国遭遇干旱极端天气对国际粮价的影响进行讨论
《郑说三农》92/224
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