Papers from two symposiums of annual meetings - Kittrick, J. A.,; Busacca, A. J.,; Franzmeier, D. P.,; Heil, R. D.,; Nettleton, W. D.,; Peterson, F. F.,; Zelazny, L. W.,; Holzhey, C. S.,; Eswaran, Hari,; Mortvedt, John J.,; Dinauer, Richard C.,; Mickelson, Sherri H., (Soil Science Society of America, Inc. ; American Society of Agronomy, Inc., 1985)
SSSA Special Publication Number 16.