例如，中国北方的冬小麦农田应该减少，而在水资源丰富的中国南方应该维持多茬复种。
For example, the farmland of winter wheat should be reduced in northern China, while southern China, rich in water resources, should maintain multi-cropping.
2008年10月至2009年2月，我国北方地区出现大面积的持续干旱，给冬小麦的生长造成了严重的影响。
Drought occurred at a great range of scale in North China between October 2008 and February 2009 on a consistent basis, which impacted the growth of winter wheat seriously.
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