Nebraska Soils Field Trip - Virginia Tech

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Taxonomic Classifications of SND (12N0010) Soil Taxonomy KST, 11th ed. 2010 Fine-silty, mixed, superactive, mesic Fluventic Eutrudepts ICOMANTH (2-22-2012) Fine-silty, methanogenic, mixed, superactive, mesic Anthroportic Eutrudepts 3., 4.) WRB Haplic Cambisols (Hypereutric, Siltic, Escalic?, Transportic) 5.) 1.) Soil Survey Staff. 2010. Keys to Soil Taxonomy, 11th ed. USDA-Natural Resources Conservation Service, Washington, DC. IUSS Working Group WRB. 2007. World Reference Base for Soil Resources 2006, first update 2007. World Soil Resources Reports No.103. FAO, Rome. 2.) Reduced iron (ferrous) is present without saturation by water. Assumption is methane is both excluding oxygen from the horizon and providing a carbon source for microbial activity. 3.) 4.) 4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. 2nd edition. Natural Resources Conservation Service. U.S. Department of Agriculture Handbook 436 The ICOMANTH classification reflects the presence of human-transported material (HTM) on a constructional anthropogenic landform (landfill). Pedon classifies in the methanogenic class since there is detectible evolution of odors (e.g., methyl mercaptan) associated with methane evolution within 100 cm of the soil surface. 5.) Is the Escalic qualifier intended only for agricultural terraces? 130
4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook A close-up view of the irregular topography of the boundary between the ^Bw2 and ^Cug horizons at a depth of 52 cm. The ^Cug horizon is a gray (10YR 6/1) artifactual silt loam which contains about 20 percent, by volume, artifacts of metal, rubber, plastic, untreated wood, and cloth. Reduced or ferrous iron (Fe 2+ ) is present in the absence of saturation by ground water. Methane produced by the decomposition of organic refuse may be enhancing the reducing conditions by providing a ready carbon source for microbes and by excluding oxygen from the horizon. 131
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4 th International Union of Soil Sc
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Taxonomic Classifications of surfac
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40° 54' 28'' 40° 54' 15'' Soil Ma
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Nebraska Soils Field Trip - Virginia Tech

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