Mineralogi
http://web.wt.net/~daba/Mineral/
http://pubpages.unh.edu/~harter/crystal.htm
http://mineral.galleries.com/Minerals/bynameaz.htm

http://un2sg4.unige.ch/athena/mineral/images/minpic_frame0.html

Interactive soils: http://www.abdn.ac.uk/pss

http://homepages.which.net/~fred.moor/soil/links/l01.htm

Vill du se på några europeiska jordprofiler:
http://www.uni-soilsci.gwdg.de/bodenprof/soilsidx.html

I följande länk kan du se hur man namnger jordarter beroende på andelen sand, silt och clay (lera): http://wilkes1.wilkes.edu/~boram/soilwatr.htm

Växtfysiologi: http://149.152.32.5/Plant_Physiology/Schedule.html

Läs mera om avdunstning:
www.colorado.edu/physics/2000/bec/evap_cool.html.

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