System Analysis On County-size Agricultural Structure Adjustment

County is the smallest economic unit in China, and agriculture is the main industry, so the county-size agriculture adjustment play a very important role in the rural development in China. The basis of the county agricultural structure adjustment is analyzed in this dissertation, according to systematic presenting of the staggered agricultural development, comparative advantage, regional theory, sustainable development theory, the theory of technology innovation, the theory of institution innovation. The general rule of agricultural structure reshuffling is analyzed based on the essence and characteristics, principle of changing and the direction of reshuffling, and the feature of the county agricultural structure reshuffling, and the limited element are showed here, which gives us the special trait of the agricultural structure reshuffling in county area. Based on the above features, the methods of system analysis and integration are used, by which the mechanism of agricultural structure reshuffling is discussed, such as price effect, income effect, market effect, industrialized effect, townlized effect, and governmental interval effect. Finally the agricultural structure reshuffling in Anqiu city in Shandong Province was taken as the example. The article will started from the environment of that city which includes the trait of that origin, position condition, market condition, the feature of industry structure, employment structure, city and town structure; clarify the history, present, developing trend of that city agricultural structure, the difference between the city and town, and the special trait, limitation, and flexibility of reshuffling; the basic problem of the agricultural structure reshuffling in Anqiu City is analyzed. According to the study of formal theory and mechanism, some suggests of the agricultural structure reshuffling is given.