- Oregon State University. Extension Service13
- Oregon State University. Agricultural Experiment Station6
- United States. Agricultural Research Service6
- Oregon State University5
- Oregon State University. Department Of Crop Science5
- Wyatt, Bruce3
- Alderman, S. C.2
- Barstow, Dennis2
- Carey, Andrew G., jr.2
- Chastain, T. G.2
- Forster, William O.2
- Garbacik, C. J.2
- Gilbert, William E.2
- Hamm, P. B.2
- Hatch, Melville Harrison, 1898 2
- Hermann, Richard K.2
- Landgren, Chal G.2
- Lavender, Denis P.2
- Mccauley, James E.2
- Morrow, Alice Mills2