【背景材料】农业部组织编制的《全国粮食生产发展规划(2006—2020年)》(以下简称《规划》)指出,虽然目前我国粮食供需矛盾有所缓解,但产不足需的态势依然存在,国家粮食安全仍存在隐忧:一是我国人均耕地资源不足;二是农村人口众多,地 [Background Materials] The “National Food Production Development Plan (2006-2020)” (hereinafter referred to as “Planning”) organized by the Ministry of Agriculture points out that although the contradiction between China’s grain supply and demand has eased, the situation of insufficient production still exists. There are still hidden concerns about national food security: First, China’s per capita arable land resources are insufficient; Second, the rural population is numerous,