Covers soil as a resource, including taxonomy, fertility, conservation, pollution, biology, mineralogy, physics and chemistry of soils.
Soil
Spotlights
Soil Science Society of AmericaSoil Science Society of America (SSSA).
Describes events, activities, organization, affiliates and published products, including position papers, from the Soil Science Society of America (SSSA), with links to international groups and sites.
AgNIC on Soil
Agriculture Network Information Center.
Lists many soil science resources available through the AgNIC portal.
Soil and Water Management
USDA. NAL. Alternative Farming Systems Information Center.
Covers information on sustainable soil conservation and management practices.
Natural Resources Conservation Service Soils Web Site
USDA. Natural Resources Conservation Service.
Provides scientifically-based soil information including the Web Soil Survey, Official Soil Series Descriptions, SOILS - Tools for Educators, soil surveys by State, and the Urban Soil Primer.
Soil Taxonomy Maps (PDF | 15.1 Mb)USDA. Natural Resources Conservation Service.
Shows US distribution maps of the 12 major soil orders with profile photographs, notes on key features and a global soil regions map. Offers a poster version and full text of Soil Taxonomy, A Basic System of Soil Classification for Making and Interpreting Soil Surveys, 2nd edition (PDF|10 MB) is also accessible.
Soil EducationUSDA. Natural Resources Conservation Service.
Offers facts, definitions, books, brochures, CD's, interactive lessons, images, posters, illustrations and links to other government, non-profit, public sites teaching soils and other natural resources at adult, professional, K-12 levels.
State of the Land
USDA. Natural Resources Conservation Service.
Provides statistical data, text, maps on land use, soils, conservation, erosion, urbanization, water quality, and related environmental topics.
World Soil ResourcesUSDA. Natural Resources Conservation Service.
Collects international soil resources such as world soil resources maps, online soil education materials, technical references and papers, professional organizations, and related links.
Land, Waste and Cleanup
Environmental Protection Agency.
Provides information about common soil contaminants including pollution from hazardous substances, pesticide and fertilizer use, and industrial or chemical processes.
Soils of Arid Regions of the United States and IsraelUniversity of Arizona. Office of Arid Lands Studies. International Arid Lands Consortium.
Covers arid soils worldwide, emphasizing dryland soils in the United States and Israel with surveys, maps, classification schemes and discussions on dry soils management.