Subject
- Agricultural pests -- Control -- Congresses305
- Agriculture -- Oregon41
- Agriculture27
- Vegetable gardening -- Oregon21
- Potatoes -- Diseases and pests20
- Agricultural experiment stations -- Research -- Oregon -- Malheur County17
- Agriculture -- Oregon -- Malheur County -- Field experiments17
- Central Oregon Agricultural Research Center -- Periodicals15
- Potatoes -- Varieties -- Oregon -- Klamath County15
- Agriculture -- Research -- Oregon, Central -- Periodicals14
- Field experiments -- Oregon, Central -- Periodicals14
- Catalogs, Publishers' -- Oregon12
- College publications -- Oregon12
- Report (United States. Forest Service. Northern Region. Forest Pest Management)12
- Virus diseases of plants12
- Beans -- Diseases and pests11
- Douglas fir -- Diseases and pests10
- Strawberries -- Diseases and pests10
- Grass seed industry -- Oregon9
- Grasses -- Seeds -- Research -- Oregon9