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改革开放31年,我国国民经济和社会发展取得举世瞩目的成就,经济总量已位居世界第二。但是,我们应当看到,这些成就是靠资源的低效利用、环境的大量被破坏作为代价的。我国地少人多,耕地资源相对匮乏,目前全国总耕地仅剩18.26亿亩。2009年,全国粮食总产量仅为5.3亿吨,平均亩产约290公斤,人均粮食占用量约为390公斤。而据估算,今后我国的人口峰值将达到16.5～18亿。若要保持人均粮食占有量不降低,需要
In the 31 years of reform and opening up, China has made remarkable achievements in its national economy and social development with the total economic output ranking the second in the world. However, we should see that these achievements are at the cost of inefficient use of resources and the massive destruction of the environment. There are not many people in our country and the relative lack of arable land. At present, there are only 1.826 billion mu of total cultivated land in the country. In 2009, the total grain output in the country was only 530 million tons, with an average yield of about 290 kg per mu and a per capita food consumption of about 390 kg. According to an estimation, the peak population of our country will reach 16.5-18 billion in the future. If we want to maintain the per capita grain share does not reduce the need