Analysis for agricultural technology diffusion——Case study of agricultural demonstration areas in Yangling

Agricultural technology diffusion plays a crucial role in solving the three problems connected with peasants,agriculture and countryside,the dowble-phase structures in the urban and rured areas the balance between urban and rural development,agricultural sustainable development.The paper analyzes the frame structure theory,the communication theory,the behavior alternation theory in products,and theory of the agricultural innovation and technology diffusion.On the bass of the case study of Yanglin agricultural demonstration,the paper concludes that natural conditions play the vital role in the contents and methods of agricultural technology diffusion's,the historical foundation and cultural environment are vital to the speed and effect of technology diffusion's,speed and effect;and the polics and market mechanism can prowote the accelenation and reduction of agricultural technology diffusion.The paper aflast points out that the mechanism of agricultural technology diffusion comesfrom marketing and networking.