摘要
土壤资源是粮食生产的基础,也是粮食安全的核心。文章在研究我国土壤资源特点的基础上,系统阐述我国粮食安全正面临着耕地减少、粮食减产的挑战。提出要解决我国耕地土壤和粮食安全问题,必须实施“藏粮于土”的行动计划,全面提高我国土壤资源的综合生产能力,其主要内容是:稳定耕地面积和粮食播种面积,实施基本农田严格保护机制;开发土壤潜力,提高粮食综合生产能力;加强生态环境建设,建立有弹性有应变能力的种植制度;防治土壤污染,保障粮食安全;适度开荒复垦,充分利用非耕地资源。
From point of views of soil science, soil resources and food security in China are dealt with. Firstly, the characteristics of soil resources are pointed out. Secondly, the facing problems of food production are analyzed. Thirdly, the strategies of food security are recommended. It is concluded that, the problems of food security in China can be solved, on the bases of reasonable land use and sustainable soil management.
出处
《生态环境》
CSCD
北大核心
2005年第5期783-788,共6页
Ecology and Environmnet
基金
国家自然科学重点基金项目(40135055449831004)
关键词
土壤资源
生态环境
粮食安全
soil resources
ecology and environment
food security
