Rising atmospheric carbon dioxide concentrations and temperature unevenly affect the two main rice subspecies, which is predicted to increase the yield gap between low-income and middle- to high-income countries later this century.

中文翻译：

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大气中二氧化碳含量上升扩大了产量差距


大气中二氧化碳浓度和温度上升对两个主要水稻亚种的影响不均匀，预计本世纪后期将扩大低收入国家和中高收入国家之间的产量差距。