The Yangtze Valley has played a very important role in the grain production in China for its superior natural conditions and combinations of natural resources such as water, soil, light and energy.
长江流域光、热、水、土等农业资源时空组合优势明显，土地自然生产力较高，粮食生产在全国占有重要地位。
The Yangtze Valley has played a very important role in the grain production in China for its superior natural conditions and combinations of natural resources such as water, soil, light and energy.
长江流域光、热、水、土等农业资源时空组合优势明显，土地自然生产力较高，粮食生产在全国占有重要地位。
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