- Oregon State University. Agricultural Experiment Station288
- Oregon State University. Extension Service/Marine Advisory Program27
- Oregon State University. Extension Service/Sea Grant Marine Advisory Program15
- United States. Agency For International Development15
- Columbia Basin Agricultural Research Center12
- Mansour, N. S.12
- Southern Oregon Agricultural Experiment Station12
- Boersma, L.11
- Gardner, Ernest Hugh11
- Oregon State University. Malheur Experiment Station11
- Westigard, Peter H.11
- International Maize And Wheat Improvement Center10
- Istok, Jonathan D.10
- Oregon State University. Sea Grant Marine Advisory Program10
- United States. Agricultural Research Service9
- United States. Department Of Agriculture9
- Gardner, E. Hugh8
- Hilderbrand, Kenneth S.8
- Baggett, James R.7
- Jackson, T. L. (Thomas Lloyd), 1922 7