Effect Analysis of Cultivated Land Resource Change on Food Security ——A Case Study of the City of Binzhou

Based on the relevant data concerning the cultivated land acreage, population, grain output and etc. of the Binzhou city, analysis is made of the status quo of the land resources, food security and the relationship in between by means of the correlation analysis. It is concluded that there exists a significantly negative correlation between the cultivated land acreage and grain yield in Binzhou. The regression analysis of the relevant data is used to predict the conditions of the years between 2015 and 2024, and the findings are as followed: Binzhou is to undergo a decreasing trend in terms of its cultivated land acreage, grain acreage, per capita cultivated land acreage, while the grain yield and per capita grain output will see an upgoing trend with the per capita grain output surpassing the actually needed amount of 0.332t per person, indicating the food security is free of worry, which owes much to the policy of farmland protection and grain subsidy and the efficient use and intensive management of farmland. It is also pointed out that the constant decrease of cultivated land acreage of Binzhou city will surely pose a threat to its food security and sustainable development of economy and society, and efforts should be stepped up in farmland protection.