- Oregon State University. Extension Service253
- Washington State University. Extension54
- Pacific Northwest Cooperative Extension53
- University Of Idaho. Extension50
- Jaiswal, Pankaj27
- Torres, Leigh G.18
- Freitag, Michael17
- Hart, John M. (John Mervyn), 1947 17
- Brook, Edward J.16
- Horneck, Donald Arthur15
- Liston, Aaron15
- Olsen, Jeff L.15
- United States. Department Of Agriculture15
- Walton, Vaughn M.15
- Jones, Julia A.13
- O'malley, Kathleen G.13
- Ruggiero, Peter13
- Shock, Clinton C.12
- Spatafora, Joseph W.11
- Sullivan, Dan M. (Dan Matthew), 1954 11