- Oregon State University. Extension Service293
- Pscheidt, Jay W.33
- Peachey, Ed19
- Walton, Vaughn M.17
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase15
- Ruttle, Marilyn14
- Brewer, Linda J.13
- Skinkis, Patricia A.13
- Good, James W.12
- Oregon State University. Agricultural Experiment Station12
- Valde, Gary12
- Huddleston, J. H. (James Herbert), 1942 11
- Pacific Northwest Cooperative Extension11
- Adams, Paul W.10
- Stephenson, Garry Owen10
- United States. Department Of Agriculture10
- Washington State University. Cooperative Extension10
- Wiman, Nik G.10
- Castagnoli, S.9
- Cloughesy, Mike9