- Oregon State University. Agricultural Experiment Station492
- United States. Agricultural Research Service29
- Columbia Basin Agricultural Research Center25
- Oregon State University. Extension Service25
- Oregon State University. Malheur Experiment Station20
- Central Oregon Agricultural Research Center11
- United States. Weather Bureau10
- Baggett, James R.9
- Boersma, L.8
- Mack, H. J.8
- Stephen, W. P.8
- Brown, William G. (William Galen)6
- Conklin, Frank S.6
- Eastern Oregon Agricultural Research Center6
- Frazier, W. A.6
- Mansour, N. S.6
- Sneva, Forrest6
- United States. Agency For International Development6
- Edwards, John A.5
- International Maize And Wheat Improvement Center5