IDENTIFIERS

  • Current Taxon Name (Soil Name): Desioux
  • OSD
  • Series Extent
  • User Site ID: 2007MO183030
  • User Pedon ID: 2007MO183030
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718330
  • NCSS Pedon Lab Data NASIS Record ID - 25697
  • Print Date: 2/16/2025

    • 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: 38.8691667
  • Std. Longitude: -90.4780556
  • Datum: WGS84
  • Township: T48N
  • Range: R5E
  • Section: 32
  • PLSS Details: 1,423 feet West and 237 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO183—St. Charles
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO183—St. Charles County, Missouri
  • 7.5 Minute USGS Quad: 38090-G4—Saint Charles, Missouri

    • PEDON

  • Describers Name: Ralph Tucker, Dennis Meinert
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Cumulic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 30
  • Correlated Information:
  • Soil Name - Desioux (flagged as OSD)
  • Classificaton Date - 11/4/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - LOMAX
  • Classificaton Date - 7/13/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse-loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: rare flooding for brief periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/13/2007 (actual site observation date)
  • Air Photo ID: 38090f5ne
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • 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
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    aquic conditions

    0—104

    104—170

    190—

    —104—

    —66—

    —1—
    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

    —

    —

    134.7

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); black (10YR 2/1) broken face, dark grayish brown (10YR 4/2) broken face, dry; loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 medium tubular and 3.0 fine tubular and 0.5 coarse tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004238; observed in push tube
    A1—13 to 48 centimeters (5.1 to 18.9 inches); black (10YR 2/1) broken face, dark grayish brown (10YR 4/2) broken face, dry; silt loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 0.5 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    A2—48 to 81 centimeters (18.9 to 31.9 inches); 70 percent black (10YR 2/1) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face, 70 percent dark grayish brown (10YR 4/2) broken face and 30 percent grayish brown (10YR 5/2) broken face, dry; loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 coarse tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    A3—81 to 104 centimeters (31.9 to 40.9 inches); 70 percent very dark grayish brown (10YR 3/2) broken face and 30 percent very dark gray (10YR 3/1) broken face, 70 percent grayish brown (10YR 5/2) broken face and 30 percent dark grayish brown (10YR 4/2) broken face, dry; loam; moderate medium subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 coarse tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    Bw1—104 to 145 centimeters (40.9 to 57.1 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent dark brown (10YR 3/3) broken face loam; weak medium subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bw2—145 to 170 centimeters (57.1 to 66.9 inches); 70 percent brown (10YR 4/3) broken face and 30 percent dark grayish brown (2.5Y 4/2) broken face silt loam; weak medium prismatic structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    2C1—170 to 190 centimeters (66.9 to 74.8 inches); dark grayish brown (10YR 4/2) broken face fine sand; massive; friable; 10.0 fine pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004244; observed in push tube
    2C2—190 to 208 centimeters (74.8 to 81.9 inches); 40 percent dark grayish brown (2.5Y 4/2) broken face and 40 percent grayish brown (2.5Y 5/2) broken face and 20 percent very dark gray (10YR 3/1) broken face stratified silt loam; massive; friable; 3.0 medium tubular and 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark reddish brown (5YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n. Lab sample # MU004245; observed in push tube