- Soil Microbiology (15)
- KSU Soil Microbial Ecology Laboratory - Research group at Kansas State University, USA.
- Laboratory of Soil Ecology and Microbiology - Research projects and publications (University of Rhode Island, USA).
- Salinity and Plant Tolerance - A publication from the Utah State University describing soil salinity, its causes, ways of measuring and salt tolerances for many common plants. July 1997.
- Soil and Ecosystem Ecology - Research projects and publications (Lancaster University, UK).
- Soil Ecology and Restoration Group - Primary focus is on soils and below-ground processes in arid and semiarid ecosystems with emphasis on microbial ecology and plant-microorganism relationships (San Diego State University, University of California Riverside, USA).
- The Soil Ecology Society - An international organization of researchers, students, environmental professionals and others interested in the advancement and promotion of soil biology and ecology.
- Soil Organisms and The Nitrogen Cycle - Educational site explaining the role of soil organisms and the nitrogen cycle.
- Soils Zoo - Descriptions of soil microfauna and mesofauna.
