Subject
- Agricultural experiment stations -- Research -- Oregon -- Jackson County9
- Agriculture -- Oregon -- Jackson County -- Field experiments9
- Beef cattle -- Oregon -- Congresses9
- Entomology9
- Agriculture6
- Agriculture -- Oregon6
- Beef cattle -- Feeding and feeds6
- Sheep -- Health -- Congresses5
- Sheep -- Oregon -- Congresses5
- Wool -- Congresses5
- Beef cattle -- Breeding4
- Swine -- Oregon -- Congresses4
- Beef cattle -- Nutrition3
- Beef cattle -- Oregon, Eastern3
- Sheep -- Oregon, Eastern3
- Wheat -- Oregon3
- Agriculture, Cooperative2
- Corvallis (Or.) -- Climate2
- Forage plants -- Varieties -- Oregon2
- Grain -- Varieties -- Oregon2