改革开放以来,我国政府靠政策和科技投入,成功地解决了亿万人民的温饱问题,实现了粮食供求总量基本平衡,保持了粮价的基本稳定。但由于农业基础薄弱,科技含量低,抗灾能力弱,耕地资源减少、水资源短缺的压力不断加大,粮食增产难度越来越高,随着人口 Since China adopted the policy of reform and opening up, its government has successfully solved the problem of food and clothing for hundreds of millions of people through policies and investment in science and technology, has basically balanced the total grain supply and demand and maintained the basic stability of grain prices. However, due to the weak agricultural foundation, low science and technology content, weak disaster-resistant ability, reduced cultivated land resources and ever-increasing pressure on water shortage, grain production has become more and more difficult. As the population