Subject
- Potatoes -- Oregon -- Klamath County102
- Potatoes -- Varieties -- Oregon -- Klamath County12
- Field experiments -- Oregon -- Klamath County6
- Wheat -- Oregon -- Klamath County3
- 4-H clubs2
- Grapes -- Growth -- Measurement2
- Viticulture2
- Viticulture -- Oregon2
- Agricultural experiment stations -- Research -- Oregon -- Malheur County1
- Agricultural pests -- Control -- Congresses1
- Agriculture -- Oregon -- Malheur County -- Field experiments1
- Barley -- Oregon -- Klamath County1
- Bees1
- Canola -- Northwest, Pacific1
- Cereal grasses -- Diseases and pests -- Control -- Northwest, Pacific1
- Cereal grasses -- Diseases and pests -- Northwest, Pacific1
- Chicks -- Feeding and feeds1
- Cranberries -- Fertilizers -- Oregon, Western1
- Crops and water1
- Forest roads -- Design and construction1