| China’s traditional agricultural technology promotion mode that is the government department of agriculture as the foundation of agricultural technology promotion system, once which had made important contributions. However, with the market economy system establishment perfectong and new rural construction and the modern agriculture advancing, Agriculture and rural economic development have undergoing major changes, the adjustment of industrial structure optimization, and agricultural production is the quantitative to the latter,and the agricultural growth mode is the extensive operation to intensive management transformation.In the face of the agricultural industrial structure adjustment, the farmers’income increasing, how to effectively to solve production and quality is a series of problems, such as land resources market allocation and agricultural scale management requirements more and more urgent. In this case, the state began to introduce the circulation of rural land policy, and the pushing of circulation of rural land policy will affect a considerable degree of agricultural science and technology influence demand, thus affecting the agricultural science and technology promotion mode.This paper is based on the background of carrying on the agricultural science and technology promotion service mode with specialized research, first of all analysed and discussed the domestic and foreign agricultural technology promotion mode; Then in hunan province as an example, analyzed the rural land circulation policy to the countryside, agriculture and farmers to the needs of present situation and technology service supply situation to the science and technology; Finally proposed in this foundation the rural land circulation policy of agricultural science and technology promotion service pattern development countermeasures and measures, providing theoretical reference for future hunan and the national agriculture science and technology promotion system reform and development. |