- Oregon State University. Agricultural Experiment Station10
- Columbia Basin Agricultural Research Center7
- Oregon State University. Extension Service7
- United States. Agricultural Research Service7
- Pinkerton, Jack5
- Candolfi Vasconcelos, M. Carmo3
- Harte, Michael2
- Howland, Amanda D.2
- Pearcy, William G.2
- Renfro, William C.2
- University Of Idaho. Cooperative Extension System2
- Washington State University. Cooperative Extension2
- Williams, Gerald W.2
- [Author Not Identified]1
- Ballard, Frank Llewellyn1
- Berlanger, Ingrid E.1
- Berry, Helen1
- Boltseridge, Nathan H.1
- Brandon, Vera Haskell1
- Brandt, Patricia A.1