Creator
- Oregon State University. Extension Service3
- Angwin, Peter A.1
- Baggett, James R.1
- Chen, Hua1
- Fisher, Glenn C.1
- Jarmin, Marvin L.1
- Mansour, N. S.1
- Marshall, Juliet1
- O'dell, Thomas E.1
- Pacific Northwest Cooperative Extension1
- Paulitz, Timothy1
- Rosenstiel, Robert G. (Robert George), 1910 19851
- Smiley, Richard W.1
- Tuininga, Amy R.1
- United States. Department Of Agriculture1
- University Of Idaho. Cooperative Extension Service1
- Washington State University. Cooperative Extension1