- Oregon State University. Extension Service17
- Oregon State University. Agricultural Experiment Station10
- Oregon State University8
- Oregon State University. Department Of Crop Science4
- United States. Agricultural Research Service4
- Young, William C.4
- Brewer, Linda J.3
- Cohen, Seth D.3
- Morrow, Alice Mills3
- Adams, Paul W.2
- Cloughesy, Mike2
- Conway, Flaxen D. L.2
- Corcoran, P. E. (Patrick E.)2
- Ellis Sugai, Barbara, 1957 2
- Giannico, Guillermo Roberto, 1960 2
- Godwin, Derek2
- Good, James W.2
- Hibbs, David E.2
- Holbert, Mary2
- Huddleston, J. H. (James Herbert), 1942 2