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一、从粮食生产的现状看将来农业生产是人类生活资料最根本的、最主要的来源,尤其是粮食,尽管不同国家的生活习惯有很大不同,食物结构也有较大差异,但粮食总是主要食粮。在发展中国家,粮食在食物总量中所占比重更大。所以促进农业生产,特别是提高粮食作物的产量,对改善人民生活的影响极大。目前的粮食产量还远不能满足全部人类的需要,随着人口的不断增长,如果不能相应地提高粮食产量,则粮食短缺问题必将曰趋严重。有人估计,到二十一世纪初,全世界人口将增加一倍左右,即使按现有的供应水平计,那时粮食需
First, from the current situation of food production In the future, agricultural production is the most fundamental and major source of human resources, especially food. Although the living habits of different countries vary widely and the food structure is also quite different, food is always The main food. In developing countries, food accounts for a larger share of total food. Therefore, promoting agricultural production, especially the production of food crops, has a great impact on improving people’s lives. At present, the output of grain is still far from meeting the needs of all mankind. As the population continues to grow, the problem of food shortage will surely worsen if the grain output can not be raised accordingly. It is estimated that by the beginning of the twenty-first century the world population will more than double. Even at current supply levels, the demand for food