中国粮食主产区主要粮食作物比较优势与发展对策研究

粮食生产的发展受多种因素的综合作用，首先分析了自然、经济、社会等因素对粮食生产的影响，在此基础上，研究了我国长江中下游流域、黄淮海流域和东北三省三大粮食主产区1979—2003年间不同作物在不同区域的单产比较优势、规模比较优势和综合比较优势，总结了五大粮食作物不同区域的优势表现。最后提出发挥我国粮食主产区比较优势，提高我国粮食主产区粮食综合生产能力的思路与对策。

The Study of Comparative Advantage and Countermeasures of Main Grain Production in the Main Grain Production Area in China

Grain production is affected by many factors .The paper analysed the impact on grain production by the factors which are natural and economic and social firstly .The paper studied the output of per area and area scale comparative advantage and integration comparative advantage of main grain crop from 1979 to 2003 in the three main grain production areas which are Changjiang mid-catchment area and Huang huaihai area and Dongbei area and Summed up the integration comparative advantage of the five main grain crop in the three areas .It proposed the ideas and countermeasures to bring into play comparative advantage of grain production and enhance grain integration production capability in the end.