Innovation is often presented as one of the main catalysts for more sustainable and inclusive development. In the agricultural and food sectors, innovation is characterized not only by specificities arising from its relationship to nature, but also from the wide diversity of its stakeholders, ranging from farmers to consumers, and including intermediaries such as the research community and advisory services. Innovation emerges from interactions between these actors, who mobilize resources and produce knowledge in collaborative mechanisms in orderto generate changes.

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

This article examines how research on the agriculture and agrifood systems mobilizes the concept of Innovation System (IS). A literature review on the IS provides an analytical framework for determining its theoretical frame of reference, its area of application and its uses.