Subject
- Agriculture -- Oregon12
- Poultry -- Housing7
- Fertilizers -- Oregon5
- Oregon Agricultural College. Experiment Station5
- Agriculture -- Oregon -- Experimentation4
- Cattle -- Feeding and feeds4
- Lambs -- Feeding and feeds4
- Apple -- Diseases and pests -- Oregon3
- Apple -- Pollination3
- Budding3
- Fruit-culture -- Oregon3
- Pollination3
- Swine -- Feeding and feeds3
- Agricultural experiment stations -- Oregon2
- Apple -- Anatomy2
- Apple -- Diseases and pests -- Control -- Oregon2
- Apples -- Anatomy2
- Apples -- Development2
- Apples -- Morphology2
- Borers (Insects) -- Oregon2