Soil


Covers soil as a resource, including taxonomy, fertility, conservation, pollution, biology, mineralogy, physics and chemistry of soils.



Spotlights

Soil Science Society of America

Soil 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.


Agriculture Network Information Center logo AgNIC on Soil

Agriculture Network Information Center.

Lists many soil science resources available through the AgNIC portal.


Soil and crops Soil and Water Management

USDA. NAL. Alternative Farming Systems Information Center.

Covers information on sustainable soil conservation and management practices.


Soil testing 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 Education

USDA. 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.


Cattle grazing on rangeland 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 Resources

USDA. 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.


Environmental Protection Agency logo 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 Israel

University 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.