USA: Classifying Soils Using Soil Taxonomy: The Twelve Soil Orders Related

USA: The Twelve Soil Orders:: This system for classifying soils is one of the most widely used soil classification systems in the world. Collection of information and images to illustrate the distribution, properties, ecological significance, and use of these 12 soil orders.

USA: Distribution Maps of Dominant Soil Orders:: Maps showing U.S. land area in different soil orders.

Keys to Soil Taxonomy:: Downloadable book in pdf format. It provides the taxonomic keys necessary for the classification of soils in a form that can be easily used in the field. It also explains recent changes in the classification system.

Soils and Soil Management:: Offers a database and search function of a range of articles about fertilizers, micronutrients and fertilizer application.

USA: NRCS Soil Survey Guides and References:: A collection of on-line guidebook for soil survey in the US (and elsewhere), including the "Soil Survey Manual".

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

Advanced Soil Genesis: Soil Morphology and Classification:: A short introduction to soil morphology (description) and a presentation of the 12 soil orders (US) and their genesis. University of Arizona, Soil, Water and Environmental Science, Craig Rasmussen. [PDF]

Corn, Soil Tillage and Soil Erosion:: Specific information regarding soil management and the benefit of corn when combatting erosion.

Soil Physics and Soil Hydrology Program:: Details of courses, research and faculty at The Laboratory of Soil Physics and Soil Hydrology, University of Tokyo.

National Soil Maps (European Digital Archive of Soil Maps):: National Soil Maps, EuDASM, European Digital Archive of Soil Maps, Afghanistan, Algeria, Angola, Argentina, Austria, Bahamas, Bangladesh, Belgium, Belize, Benin, Botswana, Brazil,Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central African Republic, Chad , Chile, China, Colombia, Comoros, Congo , Costa Rica, Croatia, Cuba, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Egypt, El S

  • New Additions: Soil Morphology, Classification and Survey
Wallace Laboratories
Australia: Soil Maps of Tasmania (DPIW)
Australian Soil Classification: An Interactive Key
Australian Soil Resource Information System (ASRIS)