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与2002年相比,2012年我国主要农产品出口贸易输出的虚拟水量明显减少,进口贸易输入的虚拟水量增加较多,使得我国主要农产品贸易的虚拟水净输入量明显增加,对节约国内水资源有重要作用。然而近年来,水资源密集型农产品在我国农产品出口贸易中的比重明显上升,而水资源密集型农产品进口比重较小,不利于节约国内水资源。调整我国农产品进出口贸易结构能够产生巨大的节水效益,适度增加大豆、玉米与棉花进口的同时,增加我国蔬菜与水果等产品出口,可实现节水效益与经济效益双赢。
Compared with 2002, the amount of virtual water exported by China’s major agricultural products export decreased significantly in 2012, while the import of virtual water increased greatly. As a result, the net input of virtual water in China’s major agricultural products increased significantly, Important role. However, in recent years, the proportion of water-intensive agricultural products in the export trade of agricultural products in our country has obviously risen, while the proportion of water-intensive agricultural products imported has been relatively small, which is not conducive to saving domestic water resources. Adjusting the structure of China’s import and export of agricultural products can bring about tremendous water-saving benefits. While increasing the imports of soybeans, corn and cotton, increasing the export of China’s vegetables and fruits, a win-win result can be achieved in water saving and economic benefits.