我国油菜生产区域布局演变和成因分析

Regional distribution evolvement and development tendency of Chinese rapeseed production

本文对我国油菜生产区域布局的演变和成因进行了分析。结果表明,目前我国以长江流域冬油菜区、北方春油菜区为优势发展区域布局格局的形成,除了气候、耕作制度、种植习惯和与粮食作物的关系等原因外,科技创新和国家优势区域布局的双重推动起到了至关重要的作用。根据优势区的发展特点和趋势,提出了相关政策建议。

This article analyzed evolution and causes of Chinese rapeseed regional distribution. It was concluded that the formation of present Yangtze River valley rapeseed area and northern spring rapeseed area could be caused by climate,farming systems,planting habits and relationship with food crops,as well as by technological innovation. And the country＇s advantage regional layout promotion also played important roles.