Title: The agricultural revolution of the 20th century
Subjects: Agricultural innovations, Agriculture, Agriculture and state, Technology transfer, Agricultural engineering & machinery, Agricultural Economics, Government And Agriculture, Technology & Engineering, Technology & Industrial Arts, Science/Mathematics, Agriculture - General, History, Technology / Agriculture & Animal Husbandry, Agrarische ontwikkeling, Agrarreform, Geschichte 1900-2000, Landwirtschaft, Agriculture, social aspects, Agriculture, history