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by Soil Science Society of America.; Rust, R. H.; Minnesota Extension Service.; Robert, P. C.; Larson, William E. more...
Year: 1993., Callno: 631.4 PRO
Book
by Robert, Pierre.; University of Minnesota. Precision Agriculture Center.; Rust, R. H.; Soil Science Society of America.; International Conference on Precision Agriculture (3rd : 1996 : Minneapolis, Minn.) more...
Year: c1996., Callno: 631.47 INT
Book