THE EVOLUTION AND OPTIMIZATION OF VEGETABLE PRODUCTIVE REGIONALIZATION IN CHINA——POSITIVE ANALYSIS BASED ON 31 PROVINCES OF CHINA
分析了中国蔬菜生产区域化的演变机制和优化路径，通过31个省份的比较优势指数和聚类分析，发现20个省份具有优势，并提出了建设四大蔬菜产业带的建议。
The article analyses the evolutionary mechanism and optimization of vegetable productive regionalization in China. At first its process, mechanism and problems have been studied, which show the profits of vegetable production are main powers to propel regionalization and vegetable regionalization will be developed through market competitiveness and cluster effect. And then the authors have studied the aggregated comparative advantages of 31 provinces in China through aggregated comparative advantage indices and hierarchical cluster analysis, and found that 20 provinces have advantages. Finally they propose some countermeasures, including the construction of Bohai-circle, Huanghuai, Southeast Coast and Middle-south vegetable industrial belts, to optimize the vegetable productive regionalization in China.