- Fertilizers -- Oregon2
- Wheat -- Fertilizers -- Oregon, Eastern2
- Agricultural experiment stations -- Oregon -- Union -- History1
- Agriculture -- Research -- Oregon -- Union -- History1
- Alfalfa -- Diseases and pests -- Nutritional aspects -- Oregon, Eastern.1
- Alfalfa -- Fertilizers -- Oregon, Eastern1
- Cereal grasses -- Fertilizers -- Oregon, Eastern1
- Clover -- Fertilizers -- Oregon, Eastern1
- Corn -- Fertilizers -- Oregon, Eastern1
- Deficiency diseases in plants -- Oregon, Eastern1
- Eastern Oregon Agricultural Research Center -- History1
- Fescue -- Fertilizers -- Oregon, Eastern1
- Peas--Fertilizers--Oregon, Eastern1
- Wheat -- Oregon, Eastern -- Fertilizers1
- Winter wheat -- Fertilizers -- Oregon, Eastern1