Subject
- Pesticides -- Application -- Oregon -- Willamette River Valley7
- Spraying and dusting in agriculture -- Oregon -- Willamette River Valley7
- Eastern filbert blight -- Control -- Oregon -- Willamette River Valley2
- Eastern filbert blight -- Integrated control -- Oregon -- Willamette River Valley2
- Hazelnuts -- Diseases and pests -- Control -- Oregon -- Willamette River Valley2
- Hazelnuts -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley2
- Apples -- Diseases and pests -- Control -- Columbia River Valley1
- Apples -- Diseases and pests -- Control -- Oregon -- Willamette River Valley1
- Apples -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley1
- Blueberries -- Diseases and pests -- Control -- Oregon -- Willamette River Valley1
- Cherry -- Diseases and pests -- Control -- Columbia River Valley1
- Cherry -- Diseases and pests -- Control -- Oregon -- Willamette River Valley1
- Cherry -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley1
- Fruit -- Diseases and pests -- Control -- Columbia River Valley1
- Fungal diseases of grapes -- Control -- Oregon1
- Fungicides -- Oregon1
- Grapes -- Diseases and pests -- Control -- Oregon1
- Grapes -- Weed control -- Oregon1
- Pear -- Diseases and pests -- Control -- Columbia River Valley1
- Pear -- Diseases and pests -- Control -- Oregon -- Willamette River Valley1