Subject
- Ammonia -- Oxidation -- Oregon -- H.J. Andrews Experimental Forest1
- Bacteria, Nitrifying1
- Bacterial genetics1
- Microbial metabolism1
- Nitrification1
- Nitrification -- Oregon -- H.J. Andrews Experimental Forest1
- Nitrifying bacteria -- Oregon -- H.J. Andrews Experimental Forest1
- Soil microbiology -- Oregon -- H.J. Andrews Experimental Forest1