Directory: Top/Science/Agriculture/Soils

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.
http://afsic.nal.usda.gov/nal_display/index.php?info_center=2&tax_level=1&tax_subject=293
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European Soil Data Center
Portal providing data and information on soils at European level.
http://eusoils.jrc.it/
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Soil-net.com
A comprehensive resource for education on soils in primary and secondary schools. Soil basic properties, geography, functions, threats, activities and careers.
http://www.soil-net.com
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Soil Sampling for Precision Agriculture
Provides guidance on basic sampling principles to provide the necessary information for variable rate fertilizer application.
http://www.ianrpubs.unl.edu/epublic/live/ec154/build/ec154.pdf
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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.
http://www.soilsworldwide.net/index.php/SoilPIC
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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 c
http://www.ars.usda.gov/main/site_main.htm?modecode=36-25-15-00
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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.
http://eap.mcgill.ca/publications/eap1.htm
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California Soil Resource Laboratory
Research covers many aspects of soil science including soil genesis and morphology, water quality and constructed wetlands, soil-landform relationships and modeling, watershed-scale soil survey studies and the production of an online soil survey.
http://casoilresource.lawr.ucdavis.edu/
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