study on rural knowledge ontology and building of the knowledge database"is the sub-project of the National Sci-Tech Support Plan,study on the technologies of the agricultural information cooperative service as well as its application.

It also expounded the necessity of developing chinese knowledge agriculture,analysed its disadvanteges,and put forward the appropriate strategies.

Clearly mentioned the new concept of “knowledge agriculture”,explained the character and intentsion of “knowledge agriculture”,summaried the various kinds of “knowledge agreculture”,which are running toward us in the world presently,discussed about the new situation of recent “knowledge agriculture”and several policies could be taken toward it on our own initiative.

At last the model is applied to knowledge agriculture for scientific decision.

On the development of knowledge-based agriculture in foreign contries and its enlightenment to China;

Knowledge-based agriculture is becoming the trend of strengthening the base of national economy.

Recent statistics show that there are some obstacles for the sustainable development,therefore developing knowledge-based agriculture according to the requirement of the population,resource and economic development.