Subject
- Agriculture -- Oregon5
- Cattle -- Feeding and feeds2
- Flax2
- Soils -- Oregon2
- Sugar beet -- Oregon2
- Swine -- Feeding and feeds2
- Weeds -- Control -- Oregon2
- Wheat -- Oregon -- Varieties2
- Agricultural experiment stations -- Oregon1
- Agriculture -- Research -- Oregon1
- Bromegrasses1
- Cicuta1
- Clover as feed1
- Codling moth -- Control1
- Coho salmon -- Artificial spawning -- Oregon1
- Dairy cattle -- Feeding and feeds1
- Dairy farming -- Study and teaching -- Oregon1
- Drainage1
- Fertilizers -- Oregon -- Analysis1
- Filbert -- Oregon1