Creator
- Oregon State University. Agricultural Experiment Station6
- Mason, Robert George5
- Cross, Timothy L.3
- Cuthbert, Richard W.1
- Fisher, Dennis U.1
- Nelson, A. Gene1
- Newman, Robert1
- Nuckton, Carole Frank1
- Oregon Agricultural College. Experiment Station1
- Oregon State University. Extension Service1
- Schoenfeld, Wm. A.1
- Stevens, Joe B.1
- Thomas, David Lee, 1949 1