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Canadian Soil Information System
Information on soil surveys and analysis but also on the Environmental Sustainablility of Canadian Agriculture.

Texture AutoLookup
TAL is a group of programs to determine soil texture classes based on major soil classification schemes (USDA, UK, Canada, International and others).

Agroclimatic Atlas of Ireland
Map of the soil great groups, based on the Soil Map of Ireland, 1980.

FAO - Soil Unit Classification Scheme
A basic hierarchical list showing the principal soil types and subtypes, with names and codes.

Washington State Soils
Interactive maps and pictures.

Soil Survey Information for Massachusetts and New England
Featuring soil information, ground penetrating radar, GIS, and soil profile photos.

Soil Map of Italy
An ongoing project to develop a updated soil map.

Soil Micromorphology Links
Micromorphology is the branch of soil science that is concerned with the description, interpretation and the measurement of components, features and fabrics in soils at a microscopic level.

Are Laterites Caused by the Alkaline Gut of Termites?
It is proposed that latisols (ultisols) are caused by the extremely alkaline midgut of humus eating termites.

Bulk Density Determination
Detailed description to determine the bulk density of soil.