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View Resource Compendium of On-Line Soil Survey Information

D.G. Rossiter from the International Institute for Geo-Information Science and Earth Observation has compiled the Compendium of On-Line Soil Survey Information. The Soil Survey Institutes & Activities page contains information about and links to soil survey institutes from around the world and the digital soil geographic databases they offer. Example institutes include Scotland's Macaulay Land Use...
View Resource Frozen Soil

This Topic in Depth explores the world of frozen soil, including permafrost and tundra. The first site is provided by the Missouri Botanical Gardens Web site, entitled Tundra (1). This kids focused site does a good job of clearly explaining what tundra is, where it's located, and what types of plants and animals are found within tundra areas, as well as offering a photo gallery. The second site,...
View Resource International Soil Reference and Information Centre

The International Soil Reference and Information Centre (ISRIC), which is associated with the Centre for Development and Environment, University of Berne, Switzerland, aims to "provide a better understanding of soils and to promote sustainable use of the land." The ISRIC Web site gives visitors several areas to explore, but of special note are the reports and publications link within the...
View Resource NASIS: National Soil Information System

The National Soil Information System (NASIS) plays a role in the National Cooperative Soil Survey's goal of providing an active resource of soils information and "is designed to manage and maintain soil data from collection to dissemination." The website provides information and software downloads needed to access the NASIS system. Visitors can find helpful instructions on how to use the system as...
View Resource Natural Resources Conservation Service (NRCS): Official Soil Series Descriptions (OSD)

This Natural Resources Conservation Service (NRCS) website provides essential details of the more than 20,000 soils series in the United States, as well as its Territories, Commonwealths, and Island Nations. The clear-cut descriptions can assist fieldworkers in identifying and classifying soils. Students and educators can learn about the typical pedons, soil characteristics, geographical...
View Resource Natural Resources Conservation Service: Soil Education

The Natural Resources Conservation Service provides an array of materials to assist people with their understanding of soils. Through an online presentation, users can learn ten key points about soil characteristics and their importance. Teachers and students can find many fun activities including soil erosion and particle size demonstrations and soil songs. The website provides a great...
View Resource Soil Data

The International Soil Reference and Information Centre (ISRIC) is described as a foundation for documentation, training and research on soils of the world, and serves the whole scientific community by assembling, scrutinizing, organizing and disseminating data and information. The ISRIC Web site contains some helpful online resources on the Soil Data page. These include international soil profile...
View Resource Soil pH and Fertilizers

This Web site by the Mississippi State University Extension Service discusses why fertilizers are added to soils. The Web site begins by introducing the concept of the pH of the soil and how nutrients are affected by this pH level. Students can then learn about the pH logarithmic scale and about the factors that affect soil pH. At the end of the site, users will find a clear and concise table...
View Resource Soil Taxonomy

From Alfisols to Vertisols, this substantial resource (.pdf format only) from the US Department of Agriculture's Natural Resources Conservation Service provides an in-depth treatment of soil taxonomy around the world. Published in 1999 (Second Edition), this Soil Taxonomy text includes 23 chapters, covering the basics of soil classification through the world distribution of orders and suborders....
View Resource The Living Soil

Soil is home to vast numbers of organisms, and even small sections of earth teem with a diverse array of life. This Topic in Depth takes a closer look at the world beneath our feet through the lens of soil biologists and ecologists. The first website (1) provides information about the activities of a Natural Environment Research Council-supported research program "on the biological diversity of...
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