Analysis of population, cultivated land and food security in Yunnan

摘要

The situation and characteristics of the changes of cultivated land, food production and population in the process of urbanization in yunnan province nearly a decade are reviewed in this paper. Through the analysis and research of cultivated land area change rate and grain yield rate and rate of urbanization. Discusses the relations between and among population, cultivated land and grain production, Put forward some countermeasures and Suggestions.