IDENTIFIERS

  • Current Taxon Name (Soil Name): Lecoma
  • OSD
  • Series Extent
  • User Site ID: 1998MO067151M
  • User Pedon ID: 1998MO067151
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9806706
  • Print Date: 3/2/2025
  • 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: 36.9322667
  • Std. Longitude: -92.5819444
  • Datum: WGS84
  • Township: T26N
  • Range: R15W
  • Section: 31
  • PLSS Details: 500 feet W and 100 feet S of the NE corner
  • Location Description: 500 feet west and 100 feet south of the NE corner of Section 21, T26N, R15W.
  • Map Unit: 73332—Topazmill loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri
  • PEDON

  • Describers Name: KB and WS
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Lecoma
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Lecoma
  • Taxon Kind - variant
  • Classificaton Date - 4/22/1998
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium over slope alluvium
  • Landscape: plateau
  • Landform: terrace
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/22/1998 (actual site observation date)
  • Air Photo ID: 2252-66
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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—23

    23—203

    —-

    —-

    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

    12

    299

    180

    1092

    12.8

    5227

    Mansfield

    TAPS

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) fine sandy loam; weak very fine and fine granular structure; friable; 7.0 very fine to medium roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # MU018995
    E—13 to 23 centimeters (5.1 to 9.1 inches); dark yellowish brown (10YR 4/4) fine sandy loam; weak fine subangular blocky parts to weak very fine and fine granular structure; friable; 7.0 very fine to medium roots; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # MU018996
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); brown (7.5YR 4/4) loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots; 40 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU018997. discontinuous - phpvsfiid 128558; discontinuous - phpvsfiid 128558
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); yellowish red (5YR 4/6) loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine and fine roots; 50 percent distinct brown (7.5YR 4/4) clay films on faces of peds; fragments; neutral, pH 6.7, hellige-truog; gradual smooth boundary. Lab sample # MU018998. discontinuous - phpvsfiid 128559; discontinuous - phpvsfiid 128559
    Bt3—51 to 66 centimeters (20.1 to 26.0 inches); yellowish red (5YR 4/6) loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 60 percent distinct reddish brown (5YR 4/4) clay films on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU018999. discontinuous - phpvsfiid 128560; discontinuous - phpvsfiid 128560
    2Bt4—66 to 86 centimeters (26.0 to 33.9 inches); red (2.5YR 4/6) sandy clay loam; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots; 75 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # MU019000. continuous - phpvsfiid 128561; continuous - phpvsfiid 128561
    2Bt5—86 to 132 centimeters (33.9 to 52.0 inches); dark red (2.5YR 3/6) sandy clay loam; moderate very fine subangular blocky structure; firm; 0.5 very fine roots; 75 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; fragments; moderately acid, pH 5.7, hellige-truog; gradual smooth boundary. Lab sample # MU019001. continuous - phpvsfiid 128562; continuous - phpvsfiid 128562
    2Bt6—132 to 163 centimeters (52.0 to 64.2 inches); red (10R 4/6) sandy clay loam; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine roots; 65 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU019002. Vertical cracks are filled with sand.; discontinuous - phpvsfiid 128563; discontinuous - phpvsfiid 128563
    2Bt7—163 to 203 centimeters (64.2 to 79.9 inches); dark red (2.5YR 3/6) sandy clay loam; moderate very fine and fine subangular blocky structure; firm; 50 percent prominent reddish brown (2.5YR 4/4) clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog. Lab sample # MU019003. discontinuous - phpvsfiid 128564; discontinuous - phpvsfiid 128564