A study on the relationship between arable land change and food security in ChinaBased on Karldor Hicks Principle

Present research studied the relationship between arable land and grain production in China through analyzing arable land protection and food security. The results showed that arable land significantly correlated with grain production, which means arable land is fundamental to ensure food selfsufficiency and food security in China; the principle theory between arable land protection and food security was analyzed based on Karldor Hicks Principle, and we thought that relieving arable land press was the key to ensure sustainable food production; to ensure the food security for the future China, the quantity and quality of arable land should be protected and improved.