This book is about the factors that critically affect the linkage among the different actors that are engaged in agricultural development. These linkage limiting factors are briefly indicated. Among the factors, institutional conditions are the main factors that have hindered agricultural development in developing countries in particular and the whole nation in general from agricultural innovation systems perspectives. To bring development for the society, strong men and women are not important. The most important thing is strong institutions that can produce strong men and women. Strong institutions can level the play field and can maintain equity for the players of the game. It can reduce the level of corruption and the resources can be equally shared among the society especially among the most poor and marginalized ones. Strong institutions are the bases of development and eradicate poverty.