我国烤烟主要种植区域比较优势分析OA

The production concentration,production scale index,scale,efficiency and comprehensive comparative advantage index of flue-cured tobacco in 22 major flue-cured tobacco production regions in China were calculated and analyzed by using the data of flue-cured tobacco production and planting area in China and 22 provinces from 1996 to 2021.The results show that the production concentration degree of each province is relatively stable,and Yunnan Province ranks the highest in the concentration degree;The provinces with higher production scale advantage are Yunnan and Guizhou.In addition,the data show that the production scale index of Hunan is gradually rising;At the same time,China's comparative advantage of scale is relatively concentrated,mostly between 0.5～1.0;The comparative advantage of efficiency is mainly concentrated in the range of 0～0.5,and the highest ranking province is Shandong;The comprehensive comparative advantage index of flue-cured tobacco in different provinces of China fluctuated little.According to the data of the scale,efficiency and comprehensive comparative advantage of the whole country and provinces,each province is divided into four types:"three high provinces","two high and one low provinces","one high and two low provinces"and"three low provinces",and the countermeasures and suggestions are put forward according to the actual situation of the four types.