IDENTIFIERS

  • Current Taxon Name (Soil Name): WELLER
  • OSD
  • Series Extent
  • User Site ID: 2007MO183047
  • User Pedon ID: 2007MO183047
  • Vegetation Plot ID: 2007MO18347
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718347
  • NCSS Pedon Lab Data NASIS Record ID - 26290
  • Print Date: 11/23/2024

    • 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: 38.8413056
  • Std. Longitude: -90.7459167
  • Datum: WGS84
  • Township: T47N
  • Range: R2E
  • Section: 12
  • PLSS Details: 2,163 feet East and 584 feet North from the South West 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-G6—OFallon, Missouri

    • PEDON

  • Describers Name: Keith Knelle, John Horton
  • Current Taxonomic Class: Fine-silty, mixed, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 47
  • Sampled As Information:
  • Soil Name - WELLER
  • Taxonomic Class - Fine-silty, mixed, mesic Oxyaquic Hapludalfs
  • PSC - 38 to 89 cm.
  • Classificaton Date - 11/8/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/8/2007 (actual site observation date)
  • Air Photo ID: 38090g6nw
  • 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
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    redox concentrations

    redox depletions with chroma 2 or less

    lithologic discontinuity

    0—23

    38—216

    64—

    99—

    137—

    —23—

    —178—

    —1—

    —1—

    —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

    3

    —

    —

    177.1

    —

    305

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial pores; fragments; gradual smooth boundary. Lab sample # MU008494; observed in push tube
    BE—23 to 38 centimeters (9.1 to 15.0 inches); brown (10YR 4/3) broken face silt loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 35 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU008495; observed in push tube
    Bt1—38 to 64 centimeters (15.0 to 25.2 inches); brown (10YR 4/3) broken face silt loam; moderate fine prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds and 35 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU008496; observed in push tube
    Bt2—64 to 99 centimeters (25.2 to 39.0 inches); brown (10YR 4/3) broken face silty clay loam; moderate medium prismatic structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 70 percent prominent light gray (10YR 7/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU008497; observed in push tube
    Bt3—99 to 137 centimeters (39.0 to 53.9 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate medium prismatic structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 12 percent prominent light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU008498; observed in push tube
    2Bt4—137 to 180 centimeters (53.9 to 70.9 inches); strong brown (7.5YR 4/6) broken face silt loam; weak medium prismatic structure; firm; 3.0 fine tubular pores; 12 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU008499; observed in push tube
    2Bt5—180 to 216 centimeters (70.9 to 85.0 inches); strong brown (7.5YR 4/6) broken face silt loam; weak medium prismatic structure; firm; 3.0 fine tubular pores; 12 percent distinct brown (7.5YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU008500; observed in push tube