A rapid review of the most likely potential innovations, for the fifteen years coming, at the various stages of the food producing and processing system in France is attempted in this article. On these examples, it can be verified that the effects of technical progress, always favourable to the improvement of productivity at the firm level, may sometimes cause difficulties to people in charge of the agricultural policy, when they cannot avoid to generate an increase of the global volume of production for the sectors in which the solvent demand is saturated. In these cases, they can also destabilize some technical productive orientations with all the ensuing social problems.
