Subject
- Agricultural pests -- Control -- Congresses51
- Vegetable gardening -- Oregon51
- Beans -- Varieties15
- Field experiments -- Oregon -- Klamath County15
- 4-H clubs8
- Beans -- Yields8
- Grapes -- Diseases and pests -- Control -- Oregon7
- Viticulture -- Oregon7
- Beans -- Planting6
- Forest products industry -- Quality control6
- Fungicides -- Oregon6
- Pesticides -- Application -- Oregon6
- Plant breeding6
- Spraying and dusting in agriculture -- Oregon6
- Flooring -- Testing5
- Nitrogen fertilizers5
- Process control -- Statistical methods5
- Quality control -- Statistical methods5
- Wheat -- Oregon -- Klamath County5
- Wood -- Testing5