IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1991MO057076M
  • User Pedon ID: 1991MO057076
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9105776
  • 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: 37.3245250
  • Std. Longitude: -93.8169889
  • Datum: WGS84
  • Township: T30N
  • Range: R26W
  • Section: 20
  • PLSS Details: 2700 feet W and 1900 feet S of the NE corner
  • Location Description: 2700 feet W and 1900 feet S of the NE corner of Sec. 20, T30N, R26W.
  • Map Unit: 73059—Pomme silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO057—Dade County, Missouri
  • 7.5 Minute USGS Quad: 37093-C7—South Greenfield, Missouri

    • PEDON

  • Describers Name: Dennis Meinert, Charles Harwood, Glenn Spencer
  • Current Taxonomic Class: Fine, mixed, active, mesic Mollic Paleudalfs
  • Current Taxon Kind: taxon above family
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 18 to 68 cm.
  • Classificaton Date - 5/18/2020
  • Classifier - J.R. Perkins
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 1/25/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • Field Measured Properties: 35.6 percent of pscs clay and 7.7 percent of pscs gravel and 21.1 percent of pscs sand


    • SITE

  • Parent Material: fine-loamy slope alluvium derived from sedimentary rock over clayey residuum weathered from limestone, sandstone, and shale over clayey residuum weathered from limestone and shale over clayey residuum weathered from limestone and siltstone
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/25/2011 (entry creation 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

    redox concentrations

    mollic epipedon

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    redox concentrations

    lithologic discontinuity

    0—56

    0—18

    18—229

    41—76

    76—152

    76—229

    152—229

    —56—

    —18—

    —211—

    —35—

    —76—

    —153—

    —77—
    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

    —

    —

    1050

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (7.5YR 3/2) silt loam; 31 percent sand; 51 percent silt; 18 percent clay; weak very fine granular structure; very friable; common (3.0) very fine roots throughout; 11 percent fine spherical iron-manganese concretions; 5 percent by volume nonflat 2-30-75 millimeter unspecified fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # MU040971
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); 34 percent dark brown (7.5YR 3/2) and 33 percent brown (7.5YR 4/4) and 33 percent dark reddish brown (5YR 3/4) silt loam; 22 percent sand; 52 percent silt; 26 percent clay; moderate fine subangular blocky structure; friable; few (0.9) very fine roots throughout; 37 percent distinct pressure faces on all faces of peds; 11 percent fine spherical iron-manganese concretions; 5 percent by volume nonflat 2-30-75 millimeter unspecified fragments; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # MU040972. discontinuous - phpvsfiid 1870342; discontinuous - phpvsfiid 1870342
    Bt2—30 to 41 centimeters (11.8 to 16.1 inches); 50 percent brown (7.5YR 4/4) and 50 percent strong brown (7.5YR 4/6) silt loam; 21 percent sand; 53 percent silt; 26 percent clay; moderate fine subangular blocky structure; friable; few (0.9) very fine roots throughout; 3 percent faint clay films on all faces of peds; 11 percent fine spherical iron-manganese concretions; 5 percent by volume nonflat 2-30-75 millimeter unspecified fragments; moderately acid, pH 6.0, pH meter; clear wavy boundary. Lab sample # MU040973. discontinuous - phpvsfiid 1870343; discontinuous - phpvsfiid 1870343
    2Bt3—41 to 56 centimeters (16.1 to 22.0 inches); dark red (2.5YR 3/6) clay loam; 30 percent sand; 35 percent silt; 34 percent clay; weak very fine subangular blocky structure; firm; few (0.9) very fine roots throughout; 70 percent distinct clay films on all faces of peds; 25 percent fine spherical iron-manganese concretions; 10 percent by volume nonflat 2-30-75 millimeter unspecified fragments; moderately acid, pH 6.0, pH meter; gradual broken boundary. Lab sample # MU040974. continuous - phpvsfiid 1870344; continuous - phpvsfiid 1870344
    2Bt4—56 to 76 centimeters (22.0 to 29.9 inches); red (2.5YR 4/6) very gravelly clay; 24 percent sand; 21 percent silt; 56 percent clay; moderate very fine angular blocky, and moderate fine angular blocky structure; firm; few (0.9) very fine roots throughout; 70 percent distinct clay films on all faces of peds; 10 percent by volume nonflat 75-163-250 millimeter unspecified fragments and 30 percent by volume nonflat 2-30-75 millimeter unspecified fragments; moderately acid, pH 5.7, pH meter; gradual wavy boundary. Lab sample # MU040975. continuous - phpvsfiid 1870345; continuous - phpvsfiid 1870345
    3Bt5—76 to 99 centimeters (29.9 to 39.0 inches); red (2.5YR 4/6) gravelly clay; 10 percent sand; 12 percent silt; 78 percent clay; moderate very fine angular blocky, and moderate fine angular blocky structure; firm; few (0.9) very fine roots throughout; 37 percent distinct pressure faces on all faces of peds and 70 percent distinct clay films on all faces of peds; 1 percent fine spherical iron-manganese concretions; 20 percent by volume nonflat 2-30-75 millimeter unspecified fragments; strongly acid, pH 5.4, pH meter; clear wavy boundary. Lab sample # MU040976. continuous - phpvsfiid 1870346; continuous - phpvsfiid 1870347; continuous - phpvsfiid 1870346; continuous - phpvsfiid 1870347
    3Bt6—99 to 127 centimeters (39.0 to 50.0 inches); 50 percent red (2.5YR 4/6) and 50 percent brownish yellow (10YR 6/8) clay; 6 percent sand; 11 percent silt; 82 percent clay; weak medium angular blocky parts to weak fine angular blocky structure; firm; few (0.9) very fine roots throughout; 37 percent distinct pressure faces on all faces of peds and 70 percent distinct clay films on all faces of peds; 1 percent fine spherical iron-manganese concretions and 1 percent distinct manganese coatings; 8 percent by volume nonflat 2-30-75 millimeter unspecified fragments; strongly acid, pH 5.1, pH meter; gradual broken boundary. Lab sample # MU040977. continuous - phpvsfiid 1870348; continuous - phpvsfiid 1870349; continuous - phpvsfiid 1870348; continuous - phpvsfiid 1870349
    3Bt7—127 to 152 centimeters (50.0 to 59.8 inches); 50 percent red (2.5YR 4/6) and 50 percent reddish yellow (7.5YR 6/8) clay; 5 percent sand; 11 percent silt; 84 percent clay; weak medium angular blocky parts to weak fine angular blocky structure; firm; 37 percent distinct pressure faces on all faces of peds and 70 percent distinct clay films on all faces of peds; 1 percent distinct manganese coatings and 11 percent fine spherical iron-manganese concretions; 8 percent by volume nonflat 2-30-75 millimeter unspecified fragments; strongly acid, pH 5.1, pH meter; gradual broken boundary. Lab sample # MU040978. continuous - phpvsfiid 1870350; continuous - phpvsfiid 1870351; continuous - phpvsfiid 1870350; continuous - phpvsfiid 1870351
    4Bt8—152 to 183 centimeters (59.8 to 72.0 inches); 34 percent reddish brown (2.5YR 4/4) and 33 percent strong brown (7.5YR 5/8) and 33 percent yellow (10YR 7/8) gravelly clay; 5 percent sand; 26 percent silt; 69 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; firm; 15 percent distinct pressure faces on all faces of peds and 70 percent distinct clay films on all faces of peds; 1 percent distinct manganese coatings and 11 percent fine spherical iron-manganese concretions; 10 percent by volume nonflat 75-163-250 millimeter unspecified fragments and 15 percent by volume nonflat 2-30-75 millimeter unspecified fragments; strongly acid, pH 5.2, pH meter; gradual broken boundary. Lab sample # MU040979. discontinuous - phpvsfiid 1870353; continuous - phpvsfiid 1870352; discontinuous - phpvsfiid 1870353; continuous - phpvsfiid 1870352
    4Bt9—183 to 229 centimeters (72.0 to 90.2 inches); 50 percent dark red (2.5YR 3/6) and 50 percent yellow (10YR 7/8) gravelly clay; 4 percent sand; 21 percent silt; 75 percent clay; weak fine subangular blocky parts to weak fine angular blocky, and weak medium subangular blocky parts to weak medium angular blocky structure; firm; 15 percent distinct pressure faces on all faces of peds and 70 percent distinct clay films on all faces of peds; 11 percent fine spherical iron-manganese concretions and 25 percent distinct manganese coatings; 20 percent by volume nonflat 2-30-75 millimeter unspecified fragments; strongly acid, pH 5.5, pH meter. Lab sample # MU040980. continuous - phpvsfiid 1870340; continuous - phpvsfiid 1870341; continuous - phpvsfiid 1870340; continuous - phpvsfiid 1870341