Subject
- Potatoes -- Oregon -- Klamath County156
- 4-H clubs140
- Vegetable gardening -- Oregon97
- Beans -- Varieties22
- Beans -- Yields14
- Beans -- Planting11
- Nitrogen fertilizers8
- Beans -- Diseases and pests7
- Fruit trees -- Diseases and pests -- Control7
- Spraying and dusting in agriculture7
- Sweet corn -- Varieties7
- Maggots -- Control6
- Nut trees -- Diseases and pests -- Control6
- Onions -- Diseases and pests6
- Plant breeding6
- Sweet corn -- Yields6
- Weeds -- Control6
- Beans -- Growth5
- Carrots -- Varieties5
- Cost and standard of living -- United States5