| Calculating the comparative advantage of scale,yield and comprehensive indexes of the main crops based on the statistical data of agriculture from 1999 to 2003,it indicated that the scale and comprehensive advantage of angelica sinensis,codonopsis pilosula,flowers and potato are obvious in Gansu province whereas their yield advantage does not exist.Its scale,yield and comprehensive advantage of Chinese medicinal materials,benne,potato and millet except of flowers are obvious in China,which indicated that the Chinese medicines,potato and flowers have more comparative advantage in Gansu province and in China than other crops.Analyzing the favorable features and major problems in the process of characteristic agriculture development,the strategies with the level of current economy are offered to accelerate the development of characteristic agriculture in Dingxi,for examples,establishing developing program of characteristic agriculture and building characteristic farm product base;supporting main item enterprise with the help of government by functional change and formulating regional farm product brand;advancing level and function of specialized farm market and founding sell net system of farm production;actively popularizing agriculture science and technology in order to improve scientific contribution in developing characteristic agriculture. |