Land property institutions which appear to be a cornerstone of the social system are changing with the needs of the economic system. After recalling the birth and codification of the individual and absolute land property rights, during the revolutionnary period, in France, the author questions the perennity of this stronghold in the recent past. The multiplication of new rules concerning the use of rural land, in the last decades, reveals the nature of contradictions and conflicts between farming and land property and their sites.
