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粮食是我国人民的主要食物。我国人口多,耕地少,如何进一步使粮食大幅度增产,是当前发展农业的重要课题。关于这个课题,已有不少文章从多方面作了论述。本文仅就我国粮食作物的结构和布局问题加以初步探讨。 一、我国粮食作物布局的现状及特点 建国三十多年来,我国粮食作物面积每年约占农作物总播种面积的80%以上。实践证明,粮食比重过大,必然要影响经济作物和其它作物生产的发展。再从粮食内部结构来
Food is the main food for our people. In our country, with a large population and little cultivated land, how to further increase grain output is an important issue for the development of agriculture at present. Many articles have been elaborated on this subject from many aspects. This article only on the structure and layout of food crops to be discussed. First, the current situation and characteristics of China’s grain crop layout More than 30 years after the founding of the People’s Republic of China, the area of grain crops in China accounts for about 80% of the total sown area of crops each year. Practice has proved that too much food is bound to affect the economic development of crops and other crops. Then from the internal structure of food