Subject
- Soil microbial ecology -- Oregon -- H.J. Andrews Experimental Forest4
- Forest soils -- Oregon -- H.J. Andrews Experimental Forest2
- Soil microbial ecology -- Northwest, Pacific2
- Atheliaceae -- Oregon -- H.J. Andrews Experimental Forest1
- Bacteria, Denitrifying -- Sweden1
- Bauhinia reticulata -- Nutrition -- Senegal1
- Biodegradation -- Oregon1
- Biogeochemical cycles -- Northwest, Pacific1
- Carbon cycle (Biogeochemistry) -- Northwest, Pacific1
- Carbon cycle (Biogeochemistry) -- Washington (State) -- Gifford Pinchot National Forest1
- Cheatgrass brome -- Control -- Great Basin1
- Cover crops -- Environmental aspects -- Oregon -- Willamette River Valley1
- Ectomycorrhizal fungi -- Cascade Range1
- Ectomycorrhizal fungi -- Ecology -- Cascade Range1
- Ectomycorrhizal fungi -- Ecology -- Oregon, Western1
- Ectomycorrhizal fungi -- Microbiology -- Cascade Range1
- Ectomycorrhizal fungi -- Microbiology -- Oregon, Western1
- Ectomycorrhizal fungi -- Oregon -- H.J. Andrews Experimental Forest1
- Ectomycorrhizal fungi -- Oregon, Western1
- Ectomycorrhizas -- Oregon -- H.J. Andrews Experimental Forest1