Creator
- Oregon State University. Agricultural Experiment Station[remove]987
- Oregon State University. Malheur Experiment Station51
- United States. Agricultural Research Service41
- Columbia Basin Agricultural Research Center39
- United States. Agency For International Development34
- Boersma, L.25
- Oregon State University. Extension Service25
- International Maize And Wheat Improvement Center21
- Central Oregon Agricultural Research Center17
- Klamath County (Or.)17
- Oregon State University. Klamath Agricultural Experiment Station17
- Eastern Oregon Agricultural Research Center15
- Southern Oregon Agricultural Experiment Station14
- Davidson, T. P.13
- Mason, Robert George13
- Ralston, A. T. (Allen Thurman), 1915 12
- United States. Department Of Agriculture11
- United States. Weather Bureau11
- Conklin, Frank S.10
- Taylor, George H.10