To promote concentrated development of agriculture and establish industrial cluster of agriculture is crucial in expediting the development of Hunan's new agricultural management system. According to measurement and identification based on the location quotient method,Hunan's agriculture has seen a trend of concentration,and a basic agricultural industry cluster is formed ,where Shaoyang,Yongzhou and Yiyang are significamt cases. Hunan hence has an advantage in agriculture cluster over other provinces. At present, Hunan should promote the dev...