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).
Research projects and publications (University of Rhode Island, USA).
An international organization of researchers, students, environmental professionals and others interested in the advancement and promotion of soil biology and ecology.
Research projects and publications (Lancaster University, UK).
Research group at Kansas State University, USA.
Educational site explaining the role of soil organisms and the nitrogen cycle.