The 1970 edition of the "Bluebook" is a compilation of data collected
and analyzed throughout Minnesota. Information was contributed by personnel
of the Department of Soil Science, Extension Soil Specialists and Agronomists
at St. Paul and the branch stations at Crookston, Grand Rapids, Lamberton,
Morris, Rosemount and Waseca, and Soils and Crops agents. This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.
Sincere appreciation is expressed for materials and/or financial
assistance contributed by several organizations including: Amchem Products;
American Oil Company; Chevron Chemical Company; CIC Biometeorology Graduate
Program,College of Environmental Sciences, University of Wisconsin; Conwed
Corporation; Custom Farm Services; DuPont Chemical Company; Eagle-Picher
Company; Elanco Products Company; Farmers Union Central Exchange; Geigy
Agricultural Chemical Corporation; Gulf Oil Company; International Harvester
Company; Jacques Seed Company; MacAndrews and Forbes Company; Midland
Cooperatives; Minnesota Crop Improvement Association; Minnesota Limestone
Producers Association; Minnesota Plant Food Association; Monsanto Chemical
Corporation; Montana Sulphur and Chemical Company; St. Paul Ammonia Products;
Tennessee Corporation; and U. S. Borax and Chemical Corporation.
Department of Soil Science, University of Minnesota.
A Report on Field Research in Soils.
Regents of the University of Minnesota.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital Conservancy may be subject to additional license and use restrictions applied by the depositor.