Cropping strategies for efficient use of water and nitrogen : proceedings of a symposium sponsored by Divisions ...
· editor W.L. Hargrove ... ; editor-in-chief ASA G.H. Heichel ; editor-in-chief CSSA C.W. Stuber ; editor-in-chief SSSA D.E. Kissel ; managing editor Sherri Mickelson
Bok Engelsk 1988