The work examines some debates that took place between the end of the XIX century and the beginning of the XX, about the characteristics that innovations in the agricultural field should have. The main hypothesis is that each confrontation, although disguised with scientific arguments and proposer as the best way for the common good, reveals the guidelines of a strategy (sectorial or personal) tending to take control of the policies of tecgnological change.Josep Collell, acrílico sobre cartón (1999) 40x40 cm El trabajo examina algunos debates que se registraron entre finales del siglo XIX y principios del XX, sobre las características que debían tener las innovaciones en ámbito agrícola. La hipótesis principal es que cada enfrentamien...