- Washington State University. Extension21
- Gamroth, Michael J.20
- Burrill, L. C.19
- Dick, Richard19
- Sattell, Robert18
- University Of Idaho. Cooperative Extension Service17
- Oregon. Employment Division16
- United States. Agricultural Research Service16
- Castagnoli, Steve15
- Koester, Ardis W.14
- Lombard, Porter14
- Mcgrath, Daniel M. (Daniel Morton)14
- Columbia Basin Agricultural Research Center13
- Mansour, N. S.13
- Moore, James A. (James Allan), 1939 13
- Stebbins, Robert L.13
- Strik, Bernadine C.13
- Vanbuskirk, Philip13
- Oregon State University. Sea Grant College Program12
- Doescher, Sue11