Subject
- 4-H clubs400
- Agriculture -- Oregon -- Statistics318
- Farm produce -- Oregon -- Statistics313
- Spraying and dusting in agriculture -- Oregon -- Willamette River Valley43
- Pesticides -- Application -- Oregon -- Willamette River Valley41
- Catalogs, Publishers' -- Oregon19
- College publications -- Oregon19
- Agricultural estimating and reporting -- Oregon17
- Child rearing17
- Spraying and dusting in agriculture -- Oregon16
- Cover crops -- Oregon14
- Grapes -- Diseases and pests -- Control -- Oregon14
- Viticulture -- Oregon14
- Weeds -- Control14
- Spraying and dusting in agriculture13
- Noxious weeds -- Control -- Oregon12
- Fungicides -- Oregon11
- Herbicides11
- Water conservation11
- Child development10