Redigerer Jord (avsnitt)

== Eksterne lenker ==
* [http://jan.ucc.nau.edu/~doetqp-p/courses/env320/lec1/Lec1.html Why Study Soils?] {{Wayback|url=http://jan.ucc.nau.edu/~doetqp-p/courses/env320/lec1/Lec1.html |date=20180209052922 }}
* [http://www.hort.purdue.edu/newcrop/tropical/lecture_06/chapter_12l_R.html Soil notes]
* {{Kilde www|url=http://www.mvm.usace.army.mil/Readiness/97flood/flood.htm |tittel=97 Flood |utgiver=USGS |besøksdato=2006-05-31 |url-status=død |arkivurl=https://web.archive.org/web/20080624040143/http://www.mvm.usace.army.mil/Readiness/97flood/flood.htm |arkivdato=2008-06-24 }} Photographs of sand boils.
* Oregon State University's [https://web.archive.org/web/20060828063956/http://forages.oregonstate.edu/is/ssis/main.cfm?PageID=3 Soils] (wiki)
* OpenAg.info's [https://web.archive.org/web/20071012002856/http://openag.info/wiki/index.php/Soil_Science_Encyclopedia Soil Science Encyclopedia] (wiki)
* European Soil Portal [http://eusoils.jrc.ec.europa.eu/ EUSOILS] (wiki)
* [http://www.soil-net.com Soil-Net.com] A free schools-age educational site teaching about soil and its importance.
* [http://www.landis.org.uk LandIS Soils Data for England and Wales] a pay source for GIS data on the soils of England and Wales and soils data source; they charge a handling fee to researchers.
* [http://www.landis.org.uk/soilscapes LandIS Free Soilscapes Viewer] Free interactive viewer for the Soils of England and Wales
* [http://www.wossac.com Wossac] the world soil survey archive and catalogue.
* Geo-technological Research Paper, IIT Kanpur, Dr P P Vitkar – Strip footing on weak clay stabilized with a granular pile http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_abst_e?cgj_t78-066_15_ns_nf_cgj4-78{{død lenke|dato=juli 2017 |bot=InternetArchiveBot }}
* [https://web.archive.org/web/20181011074916/http://statedirt.com/ The State Dirt Company] Sells soil as a souvenieer from different U.S. States.
* [http://www.percolationtest.com Percolation Test] Learn about Soil, Percolation, Perc and Perk Tests.
* [http://websoilsurvey.nrcs.usda.gov/app/WebSoilSurvey.aspx USDA-NRCS Web Soil Survey] Inventory of the soil resource across the U.S.

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