Subject
- Agriculture -- Oregon -- Statistics5
- Farm produce -- Oregon -- Statistics5
- Air -- Pollution -- Oregon1
- Alfalfa -- Oregon, Eastern1
- Alfalfa -- Varieties -- Oregon1
- Alfalfa -- Yields -- Oregon1
- Alfalfa as feed -- Oregon1
- Animal waste1
- Beans -- Harvesting time1
- Broilers (Poultry) -- Housing1
- Environmental policy -- Oregon1
- Fences -- Preservation -- Oregon1
- Fish populations -- Oregon -- Umpqua River Estuary1
- Fishing -- Oregon1
- Hunting -- Oregon1
- Maggots1
- Onions -- Diseases and pests1
- Pear -- Diseases and pests -- Integrated control -- Oregon -- Hood River Valley1
- Psylla -- Control -- Oregon -- Hood River Valley1
- Spinach -- Varieties1