摘要
实现粮食基本自给、主要依靠自己养活自己是我国政府奉行的粮食安全思想,因而国内耕地的维护工作始终倍受关注,但是结果仍然难尽人意。本文分析了耕地面积,耕地质量,耕地分布重心,耕地改良投入,耕地农用驱动力等多种威胁国家粮食供给安全的要素变化。
Ensuring grain self-sufficiency and 'feeding our nation mostly by ourselves' was the predominant security ideology pursued in our county for many years. Thus,maintenance of cultivated land resources had always been an attention focus. However, change of cultivated land resources has occurred dissatisfactoring recently. This paper analyses such factors of cultivated lands as amount,quality,distribution barycenter,amelioration investment and driving forces of agricultural land-use which have badly affected grain supply safty in China.
出处
《世界地理研究》
2002年第4期12-17,共6页
World Regional Studies
基金
国家社会科学基金资助项目(01BJY065)
南京大学博士后科学基金项目
