IDENTIFIERS

  • Current Taxon Name (Soil Name): Robertsville
  • OSD
  • Series Extent
  • User Site ID: 05AL079001-pgm
  • User Pedon ID: 05AL079001-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S05AL-079-1
  • NCSS Pedon Lab Data NASIS Record ID - 24296
  • Print Date: 12/17/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 34.7066667
  • Std. Longitude: -87.3013889
  • Datum: WGS84
  • Location Description: Martin Farms—From the junction of US Hwy. 72A and County Rd. 150 north of Courtland; take CR 150 north for 1.6 miles, then east of 0.4 mile on CR 400; pedon is about 400 feet south into field.
  • Non-MLRA Soil Survey Area: AL079—Lawrence County, Alabama

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, semiactive, thermic Typic fragiaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Robertsville
  • PSC - 41 to 91 cm.
  • Classificaton Date - 2/24/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Robertsville
  • Classificaton Date - 8/11/2005
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, fine-silty alluvium derived from sedimentary, unspecified over moderately weathered, clayey residuum weathered from limestone, argillaceous
  • Landscape: upland
  • Landform: depression
  • Slope Complexity: simple
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: frequent ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/11/2005 (actual site observation date)
  • Air Photo ID:
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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

    0.5

    —

    —

    190

    —

    —

    —

    —

    —

    —

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (7.5YR 4/4); 11 percent sand; 64 percent silt; 26 percent clay; weak medium granular structure; friable; 6.0 very fine roots and 6.0 fine roots; 5 percent medium distinct pale brown (10YR 6/3) iron depletions and 5 percent medium distinct yellowish red (5YR 4/6) masses of oxidized iron lining pores; fragments; extremely acid, pH 4.4; abrupt smooth boundary. Lab sample # 0579-1-1; observed in push tube
    Eg1—13 to 28 centimeters (5.1 to 11.0 inches); light brownish gray (10YR 6/2); 15 percent sand; 76 percent silt; 10 percent clay; weak medium subangular blocky structure; friable; 6.0 very fine roots and 6.0 fine roots; 10 percent fine distinct light olive brown (2.5Y 5/6) masses of oxidized iron lining pores; fragments; extremely acid, pH 4.2; clear smooth boundary. Lab sample # 0579-1-2; observed in push tube
    Eg2—28 to 41 centimeters (11.0 to 16.1 inches); grayish brown (2.5Y 5/2); 14 percent sand; 75 percent silt; 12 percent clay; weak medium subangular blocky structure; friable; 6.0 very fine roots and 6.0 fine roots; 10 percent medium distinct light olive brown (2.5Y 5/6) masses of oxidized iron lining pores; fragments; extremely acid, pH 4.1; clear smooth boundary. Lab sample # 0579-1-3; observed in push tube
    Btg—41 to 71 centimeters (16.1 to 28.0 inches); dark gray (10YR 4/1); 8 percent sand; 53 percent silt; 38 percent clay; moderate coarse subangular blocky structure; firm; 4.0 very fine roots and 4.0 fine roots; 10 percent faint very dark gray (10YR 3/1) clay films on all faces of peds and 25 percent light brownish gray (10YR 6/2) silt coats on vertical faces of peds; 10 percent medium distinct light olive brown (2.5Y 5/6) masses of oxidized iron in matrix; fragments; extremely acid, pH 4.2; clear smooth boundary. Lab sample # 0579-1-4; observed in push tube
    Btgx1—71 to 94 centimeters (28.0 to 37.0 inches); light brownish gray (2.5Y 6/2); 21 percent sand; 52 percent silt; 27 percent clay; moderate medium subangular blocky, and weak very coarse prismatic structure; very firm; 25 percent distinct dark gray (10YR 4/1) clay films on surfaces along pores; 10 percent coarse prominent yellowish brown (10YR 5/8) masses of oxidized iron in matrix; fragments; very strongly acid, pH 4.7; clear wavy boundary. Lab sample # 0579-1-5; observed in push tube. continuous - phpvsfiid 417101; continuous - phpvsfiid 417101
    Btgx2—94 to 109 centimeters (37.0 to 42.9 inches); light brownish gray (2.5Y 6/2); 23 percent sand; 50 percent silt; 27 percent clay; moderate medium subangular blocky, and weak very coarse prismatic structure; very firm; 25 percent distinct dark gray (10YR 4/1) clay films on surfaces along pores; 25 percent coarse prominent yellowish brown (10YR 5/8) masses of oxidized iron in matrix; fragments; strongly acid, pH 5.3; clear wavy boundary. Lab sample # 0579-1-6; observed in push tube. continuous - phpvsfiid 417102; continuous - phpvsfiid 417102
    Btx—109 to 152 centimeters (42.9 to 59.8 inches); yellowish brown (10YR 5/8); 23 percent sand; 43 percent silt; 34 percent clay; weak very coarse prismatic structure; very firm; 25 percent distinct dark gray (10YR 4/1) clay films on surfaces along pores; 5 percent medium black (10YR 2/1) manganese coatings on faces of peds and 10 percent medium distinct light brownish gray (10YR 6/2) iron depletions; fragments; moderately acid, pH 5.9; gradual wavy boundary. Lab sample # 0579-1-7; observed in push tube. continuous - phpvsfiid 417103; continuous - phpvsfiid 417103
    2Btb1—152 to 203 centimeters (59.8 to 79.9 inches); yellowish brown (10YR 5/6); 16 percent sand; 22 percent silt; 61 percent clay; moderate medium angular blocky structure; firm; 10 percent distinct dark gray (10YR 4/1) clay films on surfaces along pores; 10 percent medium distinct light brownish gray (10YR 6/2) iron depletions; 5 percent by volume angular 5-30-75 millimeter chert fragments; neutral, pH 7.3; gradual wavy boundary. Lab sample # 0579-1-8; observed in push tube. continuous - phpvsfiid 417104; continuous - phpvsfiid 417104
    2Btb2—203 to 241 centimeters (79.9 to 94.9 inches); yellowish brown (10YR 5/6); 22 percent sand; 21 percent silt; 58 percent clay; moderate medium angular blocky structure; firm; 10 percent distinct dark gray (10YR 4/1) clay films on all faces of peds; 10 percent medium distinct light brownish gray (10YR 6/2) iron depletions and 25 percent medium prominent yellowish red (5YR 4/6) masses of oxidized iron lining pores; 5 percent by volume angular 5-30-75 millimeter chert fragments; slightly alkaline, pH 7.5. Lab sample # 0579-1-9; observed in push tube