The paper made an analysis on the regional comparative advantages of main crops' production condition in Hunan province from 1996 to 2007 by the method of Aggregated Advantage Index. As a result, in the 14 regions, 9 of them have the regional comparative advantage for rice, 7 for rape; 7 for soybean, 8 for sweet potato, 5 for tobacco, 3 for ramie, and 3 regions have the regional comparative advantage for cotton. Therefore, the paper puts forward the suggestions on practical adjustment to regional distribution of crops, exploiting the regional advantage, encouraging and increasing the production of four kinds of crops like ramie, rice, rape, tobacco. As for the three crops like sweet potato, cotton and soybean, which have small area, the paper suggests stabilization and practical adjustment on these three kinds of crops to improve the level of crops comparative advantage.%本文利用综合比较优势指数法,分析了湖南省1996-2007年期间主要农作物生产区域比较优势,结果表明:湖南省14个市(州)中,具有水稻区域比较优势的有9个市,具有油菜区域比较优势的有7个市,具有大豆区域比较优势的有7个市,具有甘薯区域比较优势的有8个市,具有烤烟区域比较优势的有5个市,具有苎麻区域比较优势的有3个市,具有棉花区域比较优势的有3个市.为此,要合理调整农作物地区布局,充分发挥区域优势,鼓励和扩大苎麻、水稻、油菜和烤烟4种优势农作物的生产,稳定和适度调整甘薯、棉花和大豆3种弱势农作物的生产,提高农作物的比较优势水平.
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