Subject
- 4-H clubs713
- Agriculture -- Oregon -- Statistics459
- Farm produce -- Oregon -- Statistics453
- Range plants -- Oregon77
- Spraying and dusting in agriculture -- Oregon -- Willamette River Valley43
- Pesticides -- Application -- Oregon -- Willamette River Valley41
- Weeds -- Control25
- Herbicides24
- Forage plants21
- Agricultural estimating and reporting -- Oregon19
- Catalogs, Publishers' -- Oregon19
- College publications -- Oregon19
- Child rearing18
- Spraying and dusting in agriculture -- Oregon16
- Grapes -- Diseases and pests -- Control -- Oregon15
- Cover crops -- Oregon14
- Finance, Personal14
- Viticulture -- Oregon14
- Vegetable gardening -- Oregon13
- Noxious weeds -- Control -- Oregon12