分析了知识经济对我国提出的挑战，探讨了目前我国农业科技发展的总体水平及存在问题，提出了建设农业知识创新体系的基本任务；阐述了信息产业和生物技术产业将会成为21世纪的两个支柱产业，展望了两大产业在农业中的应用前景和趋势；预测了生物技术的发展及其在生产中的广泛应用，以及农业科技发展将形成的六大新领域，即新物种的塑造、快速繁育技术的应用、农业工厂的构建、新人造食品与饲料的生产、新能源的开发及新空间领域的拓展。

In this article, based on the analysis of the challenge by the knowledge economy to China´s social and economic development, the author points out that knowledge economy can texit and develop without the stable support by agriculture, only when the modernization of agriculture, industry and infrastructure realized can we enter the knowledge society smoothly. The total level and subsistent problems of agricultural science and technology are discussed, th^_e basic tasks that the innovative system for agricultural knowledge should undertake are also studied. The author believes that information and biology technology will be the two fundamental dustries in 21st century, the prospect and trend of their application in agriculture are also described. The author anticipates that the rapid development and intensive use of biology technology in agriculture will inaugurate 6 new fields for the research work of agricultural science and technology, which include the creation of new species, the application of the new fast breeding technology, the establishment of agricultural factory, the producing of new man-made food and feed, the exploitation for new energy and the searching for new space.