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-3 ... [and others] of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America with support from the USDA-ARS ; editorial committee, Bruce A. Kimball, chair ... [and others]