Subject
- Nitrification2
- Nitrifying bacteria2
- Nitrogen cycle2
- Soil microbiology2
- Soils -- Nitrogen content2
- Ammonia -- Oxidation1
- Atheliaceae -- Oregon -- H.J. Andrews Experimental Forest1
- Carbon cycle (Biogeochemistry)1
- Carbon cycle (Biogeochemistry) -- Northwest, Pacific1
- Cheatgrass brome -- Control -- Great Basin1
- Denitrification1
- Denitrification -- Cascade Range1
- Denitrification -- Oregon1
- Denitrifying bacteria1
- Denitrifying bacteria -- Ecology -- Cascade Range1
- Denitrifying bacteria -- Ecology -- Oregon1
- Ectomycorrhizal fungi -- Oregon -- H.J. Andrews Experimental Forest1
- Forest litter -- Oregon -- H.J. Andrews Experimental Forest1
- Forest soils1
- Forest soils -- Northwest, Pacific1