A Compendium of On-Line Soil Survey Information
   Extensive collection of on-line information on soil survey activities, institutions, datasets, research, and teaching materials world-wide.
   http://www.itc.nl/~rossiter/research/rsrch_ss.html

Bob Lippert's Frequently Asked Questions
   A categorised list of FAQ's about soil and plant testing. From Clemson University, South Carolina.
   http://hubcap.clemson.edu/~blpprt/bobweb/bobweb.html

Crop Nutrient Tool
   This page describes a number of plant-related software tools.
   http://npk.nrcs.usda.gov/

Eurosoil 2004
   Conference (September 4 - 12, 2004) for soil scientists and practitioners from all to discuss the part played by soils in terrestrial ecosystems. Information about conference aims, details of program, excursions and symposia. Details on fees, accommodati
   http://www.bodenkunde.uni-freiburg.de/eurosoil//

Expert-N
   A development system for nitrogen turnover models to simulate the N cycle in arable agriculture. The system consists of modular model components for soil water flow, for soil heat and N transport and for crop growth. Available for download.
   http://www.gsf.de/iboe/expertn/

Health of our Soils
   Publications, general information and description of activities being undertaken in Canada to study and reduce soil degradation.
   http://sis.agr.gc.ca/cansis/publications/health/index.html

IACR-Rothamsted
   Formerly known as Rothamsted Experimental Station; the main site of the Institute of Arable Crops Research. Resources, details of research, and information for the lay public.
   http://www.rothamsted.ac.uk/

ISRIC - World Soil Information
   This is the World Data Center for Soils. Responsible for collecting, archiving, and distributing data and research information.
   http://www.isric.nl/

Institute of Plant Nutrition and Soil Science
   Research on physico-chemistry and biology of agricultural soils, metabolism and nutrition of crops, management of agricultural soils and nutrient balance. Braunschweig, Germany.
   http://www.pb.fal.de/

NRCS Soils
   From the Natural Resources Conservation Service (United States). An extensive collection of articles and resources.
   http://soils.usda.gov/

Natural Resources Conservation Service, NRCS
   Formerly the U.S. Soil Conservation Service. NCRS program areas include soil survey, conservation assistance, farmland protection, grazing lands conservation, and watershed protection.
   http://www.nrcs.usda.gov/

Organic Resource Database
   Aims to collate existing data on chemical and physical attributes, decomposition behavior in soils and animal feed value. To provide data for soil decomposition and nutrient cycling models and to identify best materials as soil amendments. Freely availabl
   http://www.wye.ic.ac.uk/sme/projects/soil/ord2.htm

Physical Characteristics of Growing Mixes
   Ohio State University Extension fact sheet explaining texture and structure, aeration and water retention, and how container shape and watering routines affect performance.
   http://ohioline.osu.edu/hyg-fact/1000/1251.html

Project Soil
   An educational program designed to teach the importance of soil, types of soil, erosion processes, and soil conservation principles. Description of kits and teacher material available.
   http://projectsoil.org/Default.htm

Soil
   Educative information about what soil is, how it is formed and how it is lost. Focus on soil conservation and soil ecology.
   http://www.seafriends.org.nz/enviro/soil/

Soil Biological Communities
   Educational site describing soil and the life forms in it. basic introduction to the soil making process. Special pages for Kids.
   http://www.blm.gov/nstc/soil/index.html

Soil Compaction and Drainage
   Brief introduction to surface and deep level compaction, research, and ameliorative methods.
   http://ohioline.osu.edu/b301/index.html

Soil Horizons
   Research and soil science issues from New Zealand.
   http://www.landcareresearch.co.nz/research/research_details.asp?Research_Content_ID=22

Soil Management
   Indian Agricultural Resources Portal for farmers and experts in soil management.
   http://www.indiaagronet.com/indiaagronet/soil_management/Soil_mgmt.htm

Soil Physics and Soil Hydrology Program
   Details of courses, research and faculty at The Laboratory of Soil Physics and Soil Hydrology, University of Tokyo.
   http://soil.en.a.u-tokyo.ac.jp/english/chisui-e.html

Soil Science
   A searchable catalogue of reviewed Internet resources in agriculture, food and forestry.
   http://agrifor.ac.uk/hb/669d807ed46dcfc194501fc9a913ecfd.html

Soil Science Education
   Aims to foster awareness about soil and its importance to life. With practical and illustrated soil science activities for school children.
   http://soil.gsfc.nasa.gov

Soil Water Management
   Factsheets, publications about irrigation, drainage and erosion control from the Ontario Ministry of Agriculture and Food.
   http://www.omafra.gov.on.ca/english/crops/soils/conserve.html

Soil and Crop Management
   From Penn State University. Includes chapters on soil management and fertility. Availeble in HTML and PDF form.
   http://agguide.agronomy.psu.edu/CM/default.html

Soils Education and Research
   Mississippi State University. Introduction to fundamental properties of soils, soil fertility and fertilization, as well as soil management and conservation.
   http://msucares.com/crops/soils/

Soils Online
   Categorized list of links to online soil science resources.
   http://www.hintze-online.com/sos/soils-online.html

Soils and Composting
   Basic information on building compost and worm bins, and soil improvement.
   http://www.metrokc.gov/dnrp/swd/composting-soils/

Soils of Arid Regions of the United States and Israel
   Papers on soils of arid regions, how they develop, and how they are classified, with copies in Hebrew. In addition, there is a book chapter on managing soils for sustainable land use and a glossary of terms. Links to other sites with soils information. C
   http://cals.arizona.edu/OALS/soils/home.html

Test Methods for the Examination of Composting and Compost
   Scientifically based laboratory manual that addresses all major composting parameters, from air capacity to pathogens to zinc. Includes test methods and sample preparation protocols for the analysis of all compost types, including MSW, yard waste, and bio
   http://tmecc.org/tmecc/

The Alberta Soil Science Workshop
   Information and details about the venue, the papers and organisation of this meeting to be held from February 19 - 20, 2003 - Edmonton, Alberta, Canada. Also includes abstracts and papers from previous meetings, starting in 1998.
   http://www.soilsworkshop.ab.ca/

The National Soil Tilth Laboratory
   USDA organization with mission to develop, evaluate, and promote management practices that enhance surface and ground water quality while conserving soil and water resources. Site has software, selected publications, staff directory, and information on cu
   http://www.nstl.gov/

The World of Soil
   Resources and articles on soil science and upkeep. Includes list of links. Intended for agriculture and horticulture.
   http://soil.hostweb.org.uk/

Understanding the Soil Processes
   Describes the biological and chemical processes of soil formation in simple terms.
   http://www.rain.org/~sals/Petrik.html

WWW Virtual Library - Soils and substrates
   A most comprehensive resource but no longer updated.
   http://www.metla.fi/info/vlib/soils/old.htm

Warren Soil and Water Conservation District
   Ohio government agency dedicated to the conservation of soil and water resources. Website contains useful information on conservation techniques for farmland and rural and suburban communities.
   http://www.warrenswcd.com/

Weeds as Indicators Of Soil Conditions
   Weed populations change in response to agricultural practices. The influence of weeds on soils and their use as indicators is described. Many tables and literature for further research.
   http://www.eap.mcgill.ca/Publications/EAP67.htm

World Soil Resources
   The site provides maps, pictures, and technical information on global soil resources.
   http://www.nrcs.usda.gov/technical/worldsoils/

Worldwide Portal to Information on Soil Health
   Contains browsable library, searchable database, categorized lists of organizations and resources, on-line reference service, learning modules, and soil health discussion groups in three languages.
   http://mulch.mannlib.cornell.edu/

X-ray Computed Tomography of Soil
   This is a website and forum for the discussion and production of computed tomography (CT) research applications to soil analysis.
   http://gis.lrs.uoguelph.ca/soilct/

Yahoo! Groups about Soil Science
   A list of mailing lists and groups related to Soil Science.
   http://dir.groups.yahoo.com/dir/Science/Agriculture_and_Farming/Crops_and_Soil/Soil_Science?show_groups=1