黑龙江省粮食生产结构演变与趋势分析

在分析黑龙江省粮食总体生产状况的基础上,以玉米、稻谷、小麦和大豆四大主要粮食作物为研究对象,从产量结构、种植面积结构和单产水平变化三个视角,揭示了黑龙江省粮食生产结构发展演变的规律和特征。这一特征表现为黑龙江省粮食生产经历了从以四种主要粮食作物为主,向以玉米和稻谷两种粮食作物为主的过渡,比较效益是玉米和稻谷在粮食生产中优势地位日益突出的主要原因,但这种生产结构不利于粮食的可持续发展。因此,未来应考虑通过建立新的耕作技术体系来进一步调整和优化粮食生产结构。

Change and Trend of Grain Production Structure in Heilongjiang Province

Based on grain production data in Heilongjiang province,the structure changes of production quantity,area and yield of corn,rice,wheat and soybean were studied respectively,and three perspectives revealed the rules and characteristics of development of grain production structure of Heilongjiang province. The results showed that corn and rice were becoming more dominant position in grain production,and replaced wheat and soybean. The main reason was the comparative benefit of corn and rice. But this was disadvantage to the sustainable development of grain production. So new rotation system should be considered to adjust and optimize the grain production structure in the future.