Study on geographical pattern of agricultural development in Henan province

To achieve the sustainable development of agriculture, using the agricultural development data of the 18 city in Henan province in 2011, the paper extracted 3 principal components that could stand for the agricultural development status of all cities from 11 impact factors affecting the agricultural development based on Principal Component Analysis (PCA). And it calculated the comprehensive scores of all cities. Based on this, it divided 18 cities into 4 agricultural development zones: key zones, optimization zones, coordination zones, ecological zones. At last, this paper proposed appropriated development proposals.