Biological N fixation in forage-livestock systems : proceedings of a symposium
· 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 ; editorial committee C.S. Hoveland, editor, W.E. Knight, G.C. Marten ; organizing committee D.A. Mays, chairman, C.J. Kaiser, Earl Burnett ; editor-in-chief: Matthias Stelly ; managing editor: David M. Kral ; assistant editors: Linda C. Eisele, Judith H. Nauseef
Bok Engelsk 1976