The theoretical and methodological apparatus of scientific approaches (economic, interdisciplinary) is analyzed in terms of revealing the general theoretical context of the phenomenon of cooperation (preconditions, mechanics of manifestation, effects). Conclusions are drawn about the development of scientific understanding of its functions and role. The prototypes of the models of cooperative relations are established, the chronological order of change is determined, their – content is revealed. The evolutionary stages of development of the theory of agrarian cooperation are substantiated. The peculiarities of modification of methodological models of analysis of cooperation in modern conditions of scientific search are determined, the synthesized description of the studied category is given.