- Kaiser, Clive[remove]8
- Oregon State University. Extension Service8
- Walton, Vaughn M.8
- Pscheidt, Jay W.7
- Skinkis, Patricia A.7
- Kc, Achala4
- Moretti, Marcelo L.4
- Peachey, Ed4
- Dreves, Amy J.3
- Brewer, Linda J.1
- Daane, Kent1
- Dalton, Daniel T.1
- Hilton, Rick1