Proposal of a new analysis concerning relationships between land ownership and farm firm. In this perspective, the land-lord is an entrepreneur of e peculiar production unit : the ground-enterprise, whose function is to produce fertility of the soil. The firm, in the traditional meaning of this concept, should be divided in two parts : the merchant-enterprise, held by the farmer, and producing commodities ; the ground-enterprise producing real estate capital. Land tenure analysis concerns now the complementary and conflictual relationships between these two producing entities.
