1. Information systems for crop management: prospects and problems Collection: Agricultural Communications Documentation Center (ACDC) Contributers: McGregor, M.J. (author) and Thornton, P.K. (author) Format: Journal article Publication Date: 1990-05 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C16735 Journal Title: Journal of Agricultural Economics Journal Title Details: 41 : 172-183