This paper holds that the grain safety dependence on domestic production is limited in view of the scare water and land resources and the high cost of grain safety in China.
基于我国土地和水资源状况和我国农业投入成本和效益分析，我国未来粮食的自我保证能力有限。
This paper holds that the grain safety dependence on domestic production is limited in view of the scare water and land resources and the high cost of grain safety in China.
基于我国土地和水资源状况和我国农业投入成本和效益分析，我国未来粮食的自我保证能力有限。
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