Subject
- Agroforestry -- Thailand1
- Douglas fir -- Pruning -- Oregon1
- Federal aid to woodlots -- Oregon1
- Fruit trees -- Thailand1
- Native plants for cultivation -- Oregon1
- Poplar -- Economic aspects -- Oregon -- Willamette River Valley1
- Poplar -- Oregon -- Willamette River Valley1
- Restoration ecology -- Oregon1
- Revegetation -- Oregon1
- Riparian plants -- Oregon -- Willamette River Valley1
- Riparian restoration -- Oregon -- Willamette River Valley1
- Tree planting -- Oregon -- Willamette River Valley1
- Wood chips -- Oregon -- Willamette River Valley1
- Woodlots -- Oregon -- Finance1
- Woodlots -- Oregon -- Management1