KOLN, Germany, Oct. 2 (TNSjou) -- The University of Cologne issued the following news release: * * * Farmers were already diversifying cereal cultivation in the early Neolithic period Agricultural innovations made the food supply in the Rhineland more resilient and flexible / Publication in the 'Journal of Archaeological Science' * An interdisciplinary research project on the development of the earliest forms of agriculture shows that early farming societies began to integrate new cereal v  more