INTERPAKS, Examines the continuing supply of scientific information that farmers needs for modernizing agriculture. A diffusion system must disseminate and integrate new knowledge into individual farming operations. The degree of functional differentiation and organizational specialization that best serves farmers is clearly related to the current state of agricultural development in a given country and the manner in which other support to agriculture is managed. Information systems themselves require integration into specific adopting situations; this, the mere transplant of a system and its organization from one country to another should be avoided.