sponsored by divisions S-4 and C-6 of the Soil Science Society of America, Crop Science Society of America, and the American Society of Agronomy in Anaheim, Calif., 28 Nov.- Dec. 1982 ; editorial committee, R.M. Welch, W.H. Gabelman
cosponsors ... American Society of Agronomy ... [and others] ; editorial committee, Frank W. Schaller, co-editor, Paul Sutton, co-editor ; program planning committee, Paul Sutton, chairman ... [and others]
sponsored by Divisions C-3, C-6, A-4, and S-4 of the American Society of Agronomy, Crop Science Society of America and the Soil Science Society of America ; editor-in-chief, Matthias Stelly
organized by Division S-3 (Soil Biology and Biochemistry) ; organizing committee, Peter G. Hartel, Horace D. Skipper, Thomas A. Ruehr ; editorial committee, Peter G. Hartel, Kathryn Paxton George, James Vorst
sponsored by Divisions A-2, A-6, C-3, S-4, and S-7 of the American Society of Agronomy and the Soil Science Society of America ; managing editor, David M. Kral ; assistant editor, Sherri Hawkins
sponsored by Division S-4, S-2, S-3, and S-8 of the Soil Science Society of America in Chicago, IL, 3 Dec. 1985 ; organizing committee, R.F. Fellett, chair ... [and others]
sponsored by Divisions S-4, S-2, and C-2 of the Soil Science Society of America, Crop Science Society of America, and the American Society of Agronomy in Anaheim, CA, 28 Nov.-3 Dec. 1982 ; editorial committee, S.A. Barber, D.R. Bouldin
sponsored by Divisions S-1, S-2, S-3, S-9, and A-5 of the Soil Science Society of America and the American Society of Agronomy in Atlanta, GA, 30 Nov. and 1 Dec. 1987 ; editors B.L. Sawhney and K. Brown
sponsored by Divisions C-3, S-3, S-4 and S-6 of the American Society of Agronomy, the Crop Science Society of America, and the Soil Science Society of America ; editor, W.R. Oschwald ; editor-in-chief, Matthias Stelly ; managing editor, David M. Kral ; assistant editor, Judith H. Nauseef