Michigan State University Extension
Soils & Soil Management - Fertilizer - 06039702
07/10/97
Tri-state Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa Extension Bulletin E-2567 (New), July 1995
M.L. Vitosh, Michigan State University; J.W. Johnson, The Ohio State University; D.B. Mengel, Purdue University; Co-editors
The editors would like to thank those colleagues who have contributed greatly to the writing of this publication. They are D.R. Christenson and D.D. Warncke, Department of Crop and Soil Sciences, Michigan State University; M.E. Watson, Research and Extension Analytical Laboratory, and D.J. Eckert, School of Natural Resources, The Ohio State University; B.C. Joern and S.E. Hawkins, Department of Agronomy, Purdue University. We would also like to thank G.N. Jackson and S.A. Dlugosz from Countrymark Cooperative Inc. for their encouragement and help in facilitating the discussion that led to this publication. In addition, we would also like to acknowledge our department chairs, E.A. Paul, F.P. Miller and W.W. McFee, for their support and encouragement of this publication.