In this blog, originally polished as a ‘Snapshot’ in Environment and History (May 2026), J. Jacob Jones traces the small beginnings of the soybean agro-industry and the profound change that came with agricultural mechanisation in Indiana. On a late summer day in l921, Benton County, Indiana Agricultural Extension Agent P.T. Brown photographed an attentive but … More Soybeans, Combines and Agricultural ‘Industrialisation’ in Benton County, Indiana (and well beyond), 1920–1945