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PEDON - a conceptual unit area of soil which represents the nature and variabilities of <br /> its horizons and other properties. <br /> PHASE - a subdivision of a soil series based on such factors as slope, surface texture, <br /> stoniness, salinity, internal drainage, carbonates, etc. <br /> PROFILE - the sequence of horizons present in a soil . <br /> RESIDUUM - unconsolidated material which accumulates by weathering of parent material in <br /> place. <br /> SANDY - texture of fine earth is sand or loamy sand but not loamy very fine sand or very <br /> fine sand; rock fragments make up less than 35 percent by volume. <br /> SERIES - a level of classification in the soil taxonomic system; somewhat similar to the <br /> species category in the Linnean taxonomic system. <br /> SHALLOW - the soil is 10 to 20 inches deep over bedrock. <br /> SKELETAL - the soil contains 35 percent or more coarse fragments, by volume. Fine earth <br /> modifiers of sandy, loamy, or clayey precede the term skeletal in soil <br /> classification. <br /> VERY DEEP - the soil is greater than 60 inches deep over bedrock. <br /> VERY SHALLOW - the soil is less than 10 inches deep over bedrock. <br /> 9-5-34 Revised 04/11/88 <br />