- 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.
- Agricultural Chemicals and the Soil - Provides information on the problem of agricultural chemicals in soil, and the designing of ecologically sound management strategies for dealing with non-productive soils, pests and diseases.
- Bob Lippert's Frequently Asked Questions - A categorised list of FAQ's about soil and plant testing. From Clemson University, South Carolina.
- Crop Nutrient Tool - This page describes a number of plant-related software tools.
- European Soil Data Center - Portal providing data and information on soils at European level.
- 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, accommodation and organization.
- 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.
- Guidelines for Soil Sampling - Provides information on taking representative samples, sampling equipment, timing and handling samples.
- Health of our Soils - Publications, general information and description of activities being undertaken in Canada to study and reduce soil degradation.
- 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.
- 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.
- ISRIC - World Soil Information - This is the World Data Center for Soils. Responsible for collecting, archiving, and distributing data and research information.
- Management Strategies to Reduce the Rate of Soil Acidification - Information on the causes of soil acidity, different types of acidity and the effects of various types of fertilizers with some recommended management strategies.
- 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.
- NRCS Soils - From the Natural Resources Conservation Service (United States). An extensive collection of articles and resources.
- 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 available to researchers.
- 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.
- 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.
- Soil - Educative information about what soil is, how it is formed and how it is lost. Focus on soil conservation and soil ecology.
- Soil and Crop Management - From Penn State University. Includes chapters on soil management and fertility. Availeble in HTML and PDF form.
- Soil and Water Management - Information from USDA on soil quality and testing, nutrients, cover crops, composting, conservation tillage, erosion control, whole farm systems and water conservation.
- Soil Biological Communities - Educational site describing soil and the life forms in it. basic introduction to the soil making process. Special pages for Kids.
- Soil Compaction and Drainage - Article discussing the damage that can be caused to soils through shallow and deep compaction, what research has shown, and some ways to counteract the problem.
- Soil Horizons - Research and soil science issues from New Zealand.
- Soil Management - Indian Agricultural Resources Portal for farmers and experts in soil management.
- Soil Physics and Soil Hydrology Program - Details of courses, research and faculty at The Laboratory of Soil Physics and Soil Hydrology, University of Tokyo.
- Soil Sampling for Precision Agriculture - Provides guidance on basic sampling principles to provide the necessary information for variable rate fertilizer application. [PDF]
- Soil Science - A searchable catalogue of reviewed Internet resources in agriculture, food and forestry.
- Soil Science Education - Aims to foster awareness about soil and its importance to life. With practical and illustrated soil science activities for school children.
- Soil Water Management - Factsheets, publications about irrigation, drainage and erosion control from the Ontario Ministry of Agriculture and Food.
- Soil-net.com - A comprehensive resource for education on soils in primary and secondary schools. Soil basic properties, geography, functions, threats, activities and careers.
- SoilPIC - Photographic image collection and archive of soils around the world classified by categories and provided by the National Soil Resources Institute (Cranfield University) and the British Society of Soil Science.
- Soils and Composting - Basic information on building compost and worm bins, and soil improvement.
- Soils Education and Research - Mississippi State University. Introduction to fundamental properties of soils, soil fertility and fertilization, as well as soil management and conservation.
- 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. Lists of soil surveys for the United States.
- Soils Online - Categorized list of links to online soil science resources.
- 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 biosolids composts.
- 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.
- 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 current research.
- The World of Soil - Resources and articles on soil science and upkeep. Includes list of links. Intended for agriculture and horticulture.
- Understanding the Soil Processes - Describes the biological and chemical processes of soil formation in simple terms.
- 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.
- World Soil Resources - The site provides maps, pictures, and technical information on global soil resources.
- 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.
- WWW Virtual Library - Soils and substrates - A useful resource but it is no longer being updated.
- 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.
- Yahoo! Groups about Soil Science - A list of mailing lists and groups related to Soil Science.
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