Laboratory of Soil Ecology and Microbiology Research projects and publications (University of Rhode Island, USA). http://www.uri.edu/cels/nrs/seml/
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. http://extension.usu.edu/publica/agpubs/salini.htm
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). http://www.serg.sdsu.edu/SERG/
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. http://www.wcsu.ctstateu.edu/ses/ses.html
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