[R. I. Papendick, P. A. Sanchez, G. B. Triplett, editors] ; sponsored by Divisions A-6, S-4, S-6, A-3, A-4, and C-3 of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America

ASA 1976 ASA special publication no. 27

Available at 8 libraries