Subject
- Bauhinia reticulata -- Nutrition -- Senegal1
- Forest soils -- Oregon -- H.J. Andrews Experimental Forest1
- Guiera senegalensis -- Nutrition -- Senegal1
- Land use -- Environmental aspects -- Brazil1
- Land use -- Environmental aspects -- Oregon --H.J. Andrews Experimental Forest1
- Nutrient cycles -- Senegal1
- Rhizosphere -- Microbiology -- Senegal1
- Shrubs -- Ecology -- Senegal1
- Soil degradation -- Brazil1
- Soil degradation -- Oregon -- H.J. Andrews Experimental Forest1
- Soil enzymology1
- Soil microbial ecology -- Brazil1
- Soil microbial ecology -- Oregon -- H.J. Andrews Experimental Forest1
- Soil microbial ecology -- Senegal1