Factors Affecting Food Security and Relevant Research in Gansu Province——Based on Analysis of Data in 1985-2008

Influence factors affecting food security in Gansu province were analyzed with tool of C-D Production Function,which concerning about food growing area,input element and consequence of nature adversity,etc.These all significantly affected the food security of Gansu province.The province should increase the intensity of the development of modern agricultural technology,plan and utilize land resources,as well as maximize the yield of food per unit of land area to ensure food security.