- Oregon State University. Extension Service973
- Koester, Ardis W.31
- Bailey, Cindee M.28
- United States. Department Of Agriculture28
- Mansour, N. S.27
- Morrow, Alice Mills27
- Bedell, Thomas E.25
- Weber, Bruce A.24
- Fisher, Glenn C.23
- Washington State University. Cooperative Extension22
- Oregon State University. Agricultural Experiment Station20
- Pacific Northwest Cooperative Extension19
- University Of Idaho. Cooperative Extension Service19
- Cross, Timothy L.17
- Decalesta, David S.17
- Moore, James A. (James Allan), 1939 17
- Capizzi, Joseph15
- Garland, John J.15
- Weber, Janice M.15
- Stebbins, Robert L.14