Subject
- Agriculture -- Oregon -- Statistics102
- Farm produce -- Oregon -- Statistics101
- Grapes -- Diseases and pests -- Control -- Oregon12
- 4-H clubs11
- Viticulture -- Oregon11
- Spraying and dusting in agriculture -- Oregon10
- Fungicides -- Oregon9
- Pesticides -- Application -- Oregon9
- Blueberries -- Diseases and pests -- Control -- Oregon -- Willamette River Valley7
- Pesticides -- Application -- Oregon -- Willamette River Valley7
- Spraying and dusting in agriculture -- Oregon -- Willamette River Valley7
- Range plants -- Oregon6
- Grapes -- Weed control -- Oregon5
- Herbicides5
- Weeds -- Control5
- Agricultural pests -- Control -- Willamette River Valley (Or.)3
- Catalogs, Publishers' -- Oregon3
- College publications -- Oregon3
- Cover crops -- Oregon3
- Fungal diseases of grapes -- Control -- Oregon3