Subject
- Agricultural pests -- Control -- Congresses13
- Grapes -- Diseases and pests -- Control -- Oregon12
- Viticulture -- Oregon10
- Fungicides -- Oregon8
- Pesticides -- Application -- Oregon8
- Spraying and dusting in agriculture -- Oregon8
- Fungal diseases of grapes -- Control -- Oregon3
- Grapes -- Weed control -- Oregon3
- Eastern filbert blight2
- Hazel -- Diseases and pests2
- Heifers -- Fertility2
- Heifers -- Selection2
- Agricultural pests -- Control -- Oregon1
- Agricultural pests -- Control -- Willamette River Valley (Or.)1
- Cattle -- Breeding1
- Cattle -- Breeding1
- DNA polymerases1
- Faults (Geology) -- Oregon -- Tualatin Mountains1
- Geochronometry -- Oregon -- Wheeler County1
- Geology -- Oregon -- Tualatin Mountains1