- Oregon State University. Extension Service[remove]680
- Pscheidt, Jay W.55
- Pacific Northwest Cooperative Extension51
- United States. Department Of Agriculture42
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase37
- University Of Idaho. Cooperative Extension Service33
- Washington State University. Cooperative Extension33
- Peachey, Ed31
- Washington State University. Extension31
- University Of Idaho. Extension27
- Oregon State University. Agricultural Experiment Station25
- Wiman, Nik G.22
- Walton, Vaughn M.18
- Burt, Lawrence A.15
- Castagnoli, S.15
- Peachey, Ronald Edward15
- Adams, Paul W.14
- Ruttle, Marilyn14
- Brewer, Linda J.13
- Skinkis, Patricia A.13