IDENTIFIERS

  • Current Taxon Name (Soil Name): Decatur
  • OSD
  • Series Extent
  • User Site ID: 71AL009006-pgm
  • User Pedon ID: 71AL009006-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S71AL-009-6
  • NCSS Pedon Lab Data NASIS Record ID - 24178
  • Print Date: 2/16/2025

    • LOCATION

  • Township: 9S
  • Range: 2E
  • Section: 29
  • PLSS Details: NW1/4SW1/4
  • Location Description: About 2.3 miles northeast of Summit on CR 25, Blount County, AL
  • Non-MLRA Soil Survey Area: AL009—Blount County, Alabama

    • PEDON

  • Current Taxonomic Class: Fine, kaolinitic, thermic Rhodic paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Decatur
  • PSC - 15 to 65 cm.
  • Classificaton Date - 2/24/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Decatur
  • Classificaton Date - 11/29/1971
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, clayey residuum weathered from limestone, argillaceous
  • Landscape: upland
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/1971 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    15—213

    —-
    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

    4

    —

    —

    227

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark reddish brown (5YR 3/3); 27 percent sand; 49 percent silt; 24 percent clay; weak medium granular structure; friable; 4.0 fine roots; 1 percent medium iron-manganese nodules; 5 percent coarse worm casts; 2 percent by volume 5-15-25 millimeter chert fragments; slightly acid, pH 6.1; abrupt smooth boundary. Lab sample # 71009-6-1
    Bt1—15 to 66 centimeters (5.9 to 26.0 inches); dark red (2.5YR 3/6); 18 percent sand; 33 percent silt; 49 percent clay; strong medium angular blocky structure; firm; 2.0 fine roots; 30 percent distinct dusky red (10R 3/4) clay films on all faces of peds; 1 percent medium black (10YR 2/1) iron-manganese nodules and 1 percent medium black (10YR 2/1) manganese coatings; fragments; slightly acid, pH 6.1; gradual smooth boundary. Lab sample # 71009-6-2. continuous - phpvsfiid 434206; continuous - phpvsfiid 434206
    Bt2—66 to 142 centimeters (26.0 to 55.9 inches); dark red (2.5YR 3/6); 19 percent sand; 35 percent silt; 46 percent clay; moderate medium angular blocky structure; firm; 0.5 fine roots; 40 percent distinct dark reddish brown (2.5YR 3/4) clay films on all faces of peds; 1 percent medium black (10YR 2/1) iron-manganese nodules; fragments; very strongly acid, pH 5.0; gradual smooth boundary. Lab sample # 71009-6-3. continuous - phpvsfiid 434207; continuous - phpvsfiid 434207
    Bt3—142 to 213 centimeters (55.9 to 83.9 inches); dark red (2.5YR 3/6); 18 percent sand; 33 percent silt; 49 percent clay; moderate medium angular blocky structure; firm; 30 percent distinct dark reddish brown (2.5YR 3/4) clay films on all faces of peds; 1 percent medium black (10YR 2/1) iron-manganese nodules; 2 percent by volume 5-15-25 millimeter quartz fragments; very strongly acid, pH 5.0. Lab sample # 71009-6-4. continuous - phpvsfiid 434208; continuous - phpvsfiid 434208