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Soil Animation. http://www3.interscience.wiley.com:8100/legacy/college/strahler/0471238007/animations/ch21_animations/animation1.html. Humus-partially decomposed organic matter Dark brown, black indicates high nitrogen content. Particle Size: Clay- Very fine Silt- Fine Sand- Medium
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Soil Animation http://www3.interscience.wiley.com:8100/legacy/college/strahler/0471238007/animations/ch21_animations/animation1.html
Humus-partially decomposed organic matter Dark brown, black indicates high nitrogen content.
Particle Size: Clay- Very fine Silt- Fine Sand- Medium Gravel- Large
http://techalive.mtu.edu/meec/module06/Permeability.htm Soil Porosity http://techalive.mtu.edu/meec/module06/Permeability.htm Soil Permeability