中国粮食贸易中虚拟耕地进口现状研究——基于1998-2018年贸易数据

Analysis on the import of virtual cultivated land in China’s grain trade——Based on the trade data of 1998—2018

选取中国四大粮食品种:大米、玉米、小麦和大豆1998-2018年的贸易数据,分析中国粮食贸易对海外虚拟耕地的进口情况。研究发现,历年来我国四大粮食品种虚拟耕地净进口量在不断增长,其中大豆耕地进口依存度过高,小麦、玉米和大米进口依存度偏低,虚拟耕地进口结构失衡,且耕地进口来源地十分集中。研究结果表明,我国通过粮食进口对海外耕地的利用尚不够充分,粮食品种的耕地进口结构也存在需进一步优化的空间,据此,本文就虚拟耕地进口战略提出建议,以期为确保我国粮食安全提供参考。

Based on the trade data of rice,corn,wheat and soybean from 1998 to 2018,this paper studies the import of China's grain trade to overseas virtual cultivated land.The results show that the net import of virtual cultivated land of the four major grain varieties in China has been increasing over the years,and the import dependence of soybean cultivated land is extremely high,While,the import dependence of wheat,corn and rice is low,and the import structure of virtual cultivated land is unbalanced as well as the sources of it are very concentrated.The results show that the utilization of overseas cultivated land through grain import is not enough,and there is room for further optimization of the structure of cultivated land import of grain varieties.Based on this,this paper puts forward suggestions in order to provide a reference for ensuring China's grain security.