东北部生态农业建设区由于耕地面积较少和人口较多的原因，粮食作物播种面积已无压缩余地。
The northeast ecological agriculture region has no space to adjust the crops sown area for the more population and few land.
另一个事实是以棉花为代表的农业原材料与其他粮食作物竞争耕地面积及其他资源——与此同时作为乙醇的加工原料，玉米也遭到了巨额的消耗。
It's also true that agricultural raw materials, especially cotton, compete for land and other resources with food crops - as does the subsidized production of ethanol, which consumes a lot of corn.
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