Subject
- Forests and forestry6
- Agriculture -- Oregon -- Experimentation4
- Pruning4
- Agriculture -- Study and teaching -- Oregon3
- Oregon State Agricultural College3
- Oregon State Agricultural College. Experiment Station3
- Apple -- Anatomy2
- Apple -- Pollination2
- Apples2
- Apples -- Anatomy2
- Apples -- Development2
- Apples -- Morphology2
- Brown rot of fruit2
- Budding2
- Cattle -- Feeding and feeds2
- Drainage -- Oregon2
- Forests and forestry -- United States2
- Germination2
- Habitat (Ecology)2
- Lambs -- Feeding and feeds2