Analysis of knowledge investment type and its function in Gannan navel orange characteristic industry clusters

The dominant knowledge is primary, and the recessive knowledge is less in Gannan navel orange characteristic industry clusters （GNOCIC for short）. The increase knowledge is the main; the storage quantity knowledge is less in the dominant knowledge. In the process of formation and development of GNOCIC, the government becomes the main body of knowledge investment in GNOCIC. There are mainly two investment ways of technology of plant and management in navel orange pre-natal, mid-production, post-natal period. Namely, firstly, with the help of the news media; secondly, run training class with the aid of government function department, and the association and so on. Regarding the effective operation and the protection of profession criterion, standard and intellectual property rights, the government mainly adopts administration, law and economical method carrying on investment. The knowledge investment of government accelerates powerfully GNOCIC to form.