IDENTIFIERS

  • Current Taxon Name (Soil Name): Allen
  • OSD
  • Series Extent
  • User Site ID: 71AL009005-pgm
  • User Pedon ID: 71AL009005-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S71AL-009-5
  • NCSS Pedon Lab Data NASIS Record ID - 24177
  • Print Date: 2/16/2025

    • LOCATION

  • Township: 13S
  • Range: 1W
  • Section: 35
  • PLSS Details: NE1/4SE1/4
  • Location Description: Blount County, AL
  • Non-MLRA Soil Survey Area: AL009—Blount County, Alabama

    • PEDON

  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Typic paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Allen
  • PSC - 18 to 68 cm.
  • Classificaton Date - 2/24/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Allen
  • Classificaton Date - 11/15/1971
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, loamy colluvium derived from sandstone & shale
  • Landscape: upland
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/15/1971 (actual site observation date)
  • Air Photo ID:
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    18—224

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    8

    —

    —

    267

    —

    —

    —

    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (7.5YR 4/4); 51 percent sand; 34 percent silt; 16 percent clay; weak medium granular structure; very friable; 4.0 fine roots; 5 percent coarse worm casts; 2 percent by volume 5-15-25 millimeter quartz fragments and 2 percent by volume 5-25-50 millimeter sandstone, unspecified fragments; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # 7109-5-1
    Bt1—18 to 53 centimeters (7.1 to 20.9 inches); yellowish red (5YR 4/6); 43 percent sand; 37 percent silt; 20 percent clay; moderate medium subangular blocky structure; friable; 2.0 fine roots; 20 percent faint clay films on all faces of peds; 5 percent coarse worm casts; 2 percent by volume 5-15-25 millimeter quartz fragments and 2 percent by volume 10-25-50 millimeter sandstone, unspecified fragments; strongly acid, pH 5.1; clear smooth boundary. Lab sample # 7109-5-2. patchy - phpvsfiid 434202; patchy - phpvsfiid 434202
    Bt2—53 to 127 centimeters (20.9 to 50.0 inches); yellowish red (5YR 4/6); 40 percent sand; 39 percent silt; 21 percent clay; moderate medium subangular blocky structure; friable; 0.5 fine roots; 25 percent faint clay films on all faces of peds; 2 percent by volume 5-15-25 millimeter quartz fragments and 2 percent by volume 10-25-50 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.9; clear smooth boundary. Lab sample # 7109-5-3. patchy - phpvsfiid 434203; patchy - phpvsfiid 434203
    Bt3—127 to 178 centimeters (50.0 to 70.1 inches); yellowish red (5YR 5/6); 56 percent sand; 26 percent silt; 18 percent clay; moderate medium subangular blocky structure; friable; 0.5 fine roots; 40 percent distinct red (2.5YR 4/6) clay films on all faces of peds; 1 percent medium distinct strong brown (7.5YR 5/6) masses of oxidized iron; 2 percent by volume 5-15-25 millimeter quartz fragments and 2 percent by volume 10-25-50 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 7109-5-4. continuous - phpvsfiid 434204; continuous - phpvsfiid 434204
    Bt4—178 to 224 centimeters (70.1 to 88.2 inches); red (2.5YR 4/6); 49 percent sand; 26 percent silt; 25 percent clay; weak medium subangular blocky structure; friable; 20 percent faint clay films on all faces of peds; 1 percent medium distinct strong brown (7.5YR 5/6) masses of oxidized iron and 5 percent medium distinct yellowish red (5YR 5/6) masses of oxidized iron; 5 percent by volume 10-25-50 millimeter sandstone, unspecified fragments; extremely acid, pH 4.4. Lab sample # 7109-5-5. patchy - phpvsfiid 434205; patchy - phpvsfiid 434205