The Analysis of Features of Science and Technology Information Dissemination in Different Periods of Agricultural Mechanization

The agricultural mechanization is an important symbol of the modernization of agriculture.Its development cannot be separated from effective dissemination of agricultural science and technology information.As one of the leading pioneers of adopting and developing agricultural mechanization in China,Xinjiang has distinctive features in agriculture,combining both small-scale individual farming and systematic farming industry.Taking the Changji Hui Autonomous Prefecture as an example,this paper first classifies different historical periods of the development of agricultural mechanization into planned economy period(1949-1980),transition period(1980-1994),market economy period(1994-now),then reveales and analyzes the features of the dissemination of agricultural science and technology information in those historical periods.