摘要
本文在综合分析了国内外土地质量评价、农业生产能力及粮食安全相关研究现状及其发展趋势的基础上,结合当前正在开展的国家农用地分等工作,探讨了基于农用地分等成果估算粮食生产能力的方法,提出了保障国家粮食安全的思路与指标体系。
Based on the research situation and development tendency on land quality, land productivity and food security, this paper summarizes the theories and methods of the agricultural land gradation in China, discusses the methods of estimating the agricultural land productivity based on the results of the agricultural land gradation, and puts forward the reason and index system to ensure the national food security as well.
出处
《资源与产业》
2006年第1期19-23,共5页
Resources & Industries
基金
国土资源大调查项目(农地2004-12)
关键词
农用地分等
土地生产能力
国家粮食安全
agricultural land gradation
land productivity
national food security