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University of Nebraska - Lincoln
Block diagram; Lithostratigraphy; Parent material; Pedostratigraphy; Soil survey; Substrata
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Full-Text Articles in Life Sciences
Soil Surveys: A Window To The Subsurface, Douglas A. Wysocki, P. J. Schoeneberger, H. E. Lagarry
Soil Surveys: A Window To The Subsurface, Douglas A. Wysocki, P. J. Schoeneberger, H. E. Lagarry
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Soils and underlying parent materials form a continuous system we must understand and manage in total. Numerous concerns (e.g., water quality, on-site waste disposal, landfill placement, and nutrient or pesticide movement) require an integrated knowledge and understanding of soil, the soil-to-substratum transition, and the deeper substratum. Soil C-horizons can exceed the thickness of the overlying A and B-horizons and contain unique morphological properties. The subsolum including C-horizons receives less descriptive emphasis than upper soil horizons. Soil scientists map and classify soils mainly on A and B-horizon properties. Soil forming and hydrologic processes that impart morphological features, however, extend considerably below …