Agricultural development will be more successful if the different actors in agricultural knowledge system (AKS) share their knowledge and stimulate each other to develop new ideas about the direction in which agriculture should develop, and on the way this development can be achieved. However, the main actors are education and training, research, extension, private sector, farmer and their organizations, information and communication services, input supply etc. Therefore, it is necessary to study their interaction, and also how they complement one another needs to be clearly understood and...