Multiple cropping : proceedings of a symposium
· 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 ... ; editoral committee R.I. Papendick, chairman, P.A. Sanchez, G.B. Triplett ; organizing committee P.A. Sanchez, chairman ... [et al.] ; editor-in-chief: Matthias Stelley ; managing editor: David M. Kral ; assistant editors: Linda C. Eisele, Judith H. Nauseef
Bok Engelsk 1976