Soil, Desertification, and Farm Bills; Windogradsky Column Hotlist
http://www.usda.gov/wps/portal/usda/usdamediafb?contentid=2013/12/0227.xml&printable=true&contentidonly=true

Jane Orbuch, San Lorenzo Valley High School


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This is an Internet hotlist on the Windogradsky column. Published by a high school teacher, it includes links to soil profiles, soil taxonomy, and Winogradsky Columns.

This resource is referenced here:
Subject: Biology:Ecology:Symbiotic Relations:Mutualism, Biology:Ecology:Symbiotic Relations, Metabolism, Biofilms, Biology:Microbiology:Methods of Microbiology :Field Methods , Biology:Microbiology:Methods of Microbiology , Biology:Microbiology
Resource Type: Scientific Resources:Collection
Grade Level: General Public, College Lower (13-14), High School (9-12), Middle (6-8)
Extreme Environments: Anoxic