Creator
- Oregon State University. Extension Service33
- Pscheidt, Jay W.33
- Peachey, Ronald Edward24
- Olsen, Jeff L.13
- Castagnoli, S.9
- Peachey, Ed8
- Wiman, Nik G.8
- Walton, Vaughn M.7
- Fields, G. J.1
- Moretti, Marcelo L.1
- Oregon State College. Federal Cooperative Extension Service1
- Oregon State University. Agricultural Experiment Station1
- Oregon State University. Extension Servicev1
- Zwick, R. W. (Robert Ward), 1922 1