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sw15 - Soil Fundamentals Arcanum Arcanum Mysterious...

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Soil Fundamentals
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Arcanum Arcanum Mysterious knowledge known only to the initiated ?
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What is Soil? What is Soil? It is not Dirt
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What is Soil? What is Soil? …a natural body consisting of horizontal layers of mineral and organic constituents of variable thicknesses which differ from the original material in their morphological, physical, chemical, and mineralogical properties . Joffe, 1949
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What is Soil? What is Soil? A dynamic natural body composed of mineral and organic materials and living forms in which plants grow . The collection of natural bodies occupying the earth’s surface that support plants and have varying properties due to the integrated effects of climate and life acting upon geologic materials, mediated by relief (topography) and time Brady and Weil, 2000
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What is Soil? What is Soil? …unconsolidated surficial material Short-sighted Engineer, 1985
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What is Soil? Agriculture Ecology Turfgrass Environment
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Solids Voids Avenues Storage Distribution Movement Interactive Media Minerals Organic matter Reactivity Idealized Surface Soil Porous Medium
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50% Solids 50% Pore Space Minerals Organic Matter
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Functions of Soil
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  • Spring '11
  • Bonczek
  • parent material, original material, Shallow Carbonate Platform, Carbonate Deposition/Sedimentation Marine, soil solid phase

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