Little is known about effective ways to operationalize agricultural innovation processes. The authors of this article use the MasAgro program in Mexico (which aims to increase maize and wheat productivity, profitability and sustainability), and the experiences of middle level ‘hub managers’, to understand how innovation processes occur in heterogeneous and changing contexts. Their research shows how a program, that initially had a relatively narrow technology focus, evolved towards an innovation system approach.

A model is proposed for the management of innovation in marginalized or depressed areas in three different countries, following the methodology of the Field Schools and taking advantage of the resources available in the region, work began with producers of areas with high marginalization and speakers of its original language, based on the fact that producers are subjects and not only beneficiaries, to say that, based on their decisions, they are the ones who cause the changes in their way of acting and producing, in such a way that in addition to the technological offer that allows access t