Drought lines up corn for a fall
16 May 2014

By TIM RADFORD.- Maize yields are on the increase in the United States − but so is the crop’s sensitivity to drought. Scientists calculate that, as things stand, crops could lose 15 per cent of their yield within 50 years.
And if the trend toward drought-sensitivity continues, then as much as 30 per cent of the yield could be lost as the world warms and droughts become more frequent or more severe.
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