Subject
- Agriculture -- Oregon43
- Dairy cattle -- Feeding and feeds12
- Agricultural experiment stations -- Oregon9
- Oregon Agricultural Experiment Station9
- Apple industry -- Oregon -- Hood River Valley -- Cost of operation8
- Blackberries -- Diseases and pests -- Oregon8
- Pear industry -- Oregon -- Hood River Valley -- Cost of operation8
- Poultry -- Housing8
- Sheep -- Health -- Congresses8
- Sheep -- Oregon -- Congresses8
- Wool -- Congresses8
- Agriculture -- Oregon -- Experimentation7
- Agriculture -- Study and teaching -- Oregon7
- Oregon State Agricultural College7
- Oregon State Agricultural College. Experiment Station7
- Spraying and dusting residues in agriculture7
- Cattle -- Feeding and feeds6
- Fertilizers -- Oregon6
- Fruit-culture -- Oregon -- Hood River Valley -- Cost of operation6
- Spraying and dusting in agriculture6