IDENTIFIERS

  • Current Taxon Name (Soil Name): Dubbs
  • OSD
  • Series Extent
  • User Site ID: 1991MO143004
  • User Pedon ID: 1991MO143004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9114304
  • NCSS Pedon Lab Data NASIS Record ID - 30835
  • Print Date: 11/11/2024

    • 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: 38.9672203
  • Std. Longitude: -92.3450012
  • Datum: WGS84
  • Location Description: 4 miles east and one mile north of Portageville, in SE 1/4 of sec. 22, T21N, R13E.
  • Map Unit: 82000—Dubbs silt loam, 0 to 1 percent slopes
  • State: Missouri
  • County: MO143—New Madrid
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO143—New Madrid County, Missouri
  • 7.5 Minute USGS Quad: 36089-D6—Portageville, Missouri

    • PEDON

  • Describers Name: B.L. Brown, M.T. Aide, M.L. Chalfant
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Typic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Dubbs
  • PSC - 20 to 70 cm.
  • Classificaton Date - 3/7/2011
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Dubbs
  • Classificaton Date - 8/20/1991
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium
  • Landscape: river valley
  • Landform: natural levee
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/20/1991 (actual site observation date)
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—112

    —-

    —-
    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

    0.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; very fine sandy loam; weak fine subangular blocky parts to moderate very fine granular structure; soft, very friable; 3.0 very fine and fine vesicular pores; fragments; very slight effervescence; neutral, pH 6.9, pH meter; abrupt smooth boundary. Lab sample # MU042204
    Bt1—20 to 30 centimeters (7.9 to 11.8 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; weak fine subangular blocky structure; slightly hard, friable; 0.5 fine pores; 10 percent clay films; fragments; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # MU042205. patchy - phpvsfiid 330858; patchy - phpvsfiid 330858
    Bt2—30 to 48 centimeters (11.8 to 18.9 inches); brown (10YR 4/3), light yellowish brown (10YR 6/4), dry; silt loam; weak medium prismatic parts to moderate fine subangular blocky structure; hard, firm; 0.5 fine roots; 0.5 fine pores; clay films on vertical faces of peds; fragments; moderately acid, pH 6.0, pH meter; clear smooth boundary. Lab sample # MU042206. continuous - phpvsfiid 330859; continuous - phpvsfiid 330859
    Bt3—48 to 86 centimeters (18.9 to 33.9 inches); brown (10YR 4/3), light yellowish brown (10YR 6/4), dry; silt loam; weak medium prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, friable; 0.5 fine roots; 0.5 fine pores; clay films on vertical faces of peds; fragments; moderately acid, pH 5.7, pH meter; gradual smooth boundary. Lab sample # MU042207. patchy - phpvsfiid 330860; patchy - phpvsfiid 330860
    Bt4—86 to 112 centimeters (33.9 to 44.1 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; silt loam; weak medium prismatic parts to moderate fine and medium subangular blocky structure; slightly hard, friable; 3.0 fine roots; 0.5 fine pores; clay films on vertical faces of peds; fragments; very strongly acid, pH 5.0, pH meter; gradual smooth boundary. Lab sample # MU042208. patchy - phpvsfiid 330861; patchy - phpvsfiid 330861
    BC—112 to 142 centimeters (44.1 to 55.9 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; silt loam; structureless massive; soft, friable; 0.5 fine pores; fragments; very strongly acid, pH 4.9, pH meter; abrupt smooth boundary. Lab sample # MU042209
    C—142 to 152 centimeters (55.9 to 59.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; very fine sandy loam; structureless massive; soft, friable; 3.0 fine pores; fragments; very strongly acid, pH 5.0, pH meter. Lab sample # MU042210