Subject
- Agriculture -- Research -- On-farm3
- Agriculture -- Research -- Oregon3
- Agriculture -- Research -- Washington (State)3
- Farm management -- Oregon -- Case studies3
- Farm management -- Washington (State) -- Case studies3
- Agricultural conservation -- Bibliography1
- Agricultural ecology -- Bibliography1
- Christmas trees1
- Companion planting1
- Cover crops -- Oregon1
- Farm management -- Oregon1
- Focused group interviewing1
- Group problem solving -- Oregon1
- Lolium perenne1
- Mulching1
- Soils -- Nitrogen content -- Oregon1
- Sustainable agriculture -- Bibliography1