IDENTIFIERS

  • Current Taxon Name (Soil Name): Mexico
  • OSD
  • Series Extent
  • User Site ID: 1991MO019078
  • User Pedon ID: 1991MO019078
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101978
  • NCSS Pedon Lab Data NASIS Record ID - 27294
  • Print Date: 11/26/2024

    • 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: 39.2187778
  • Std. Longitude: -92.2037222
  • Datum: WGS84
  • Section: 12
  • Location Description: Long Branch Watershed, Greer Prop., 55'E of field road, 85' S. of sycamor tree, 1200'W and 2100'N of the SE corner sec. 12 T51N,R12W
  • Map Unit: 50058—Mexico silt loam, 0 to 2 percent slopes
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO019—Boone County, Missouri

    • PEDON

  • Describers Name: GHD
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Mexico
  • PSC - 20 to 70 cm.
  • Classificaton Date - 4/1/2011
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Mexico (Tax.)
  • Classificaton Date - 7/26/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or pedisediment
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/26/1991 (actual site observation date)
  • Air Photo ID: 3
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    reduced matrix

    lithologic discontinuity

    0—20

    20—152

    20—152

    102—102

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    261

    —

    270

    914

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak fine platy, and weak fine subangular blocky structure; friable; 0.8 very fine and fine roots throughout; 10 percent faint very dark gray (10YR 3/1) organic stains on faces of peds; 1 percent fine iron-manganese concretions and 1 percent fine dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; neutral, pH 6.6, hellige-truog; abrupt wavy boundary. Lab sample # MU015504
    Btg1—20 to 28 centimeters (7.9 to 11.0 inches); grayish brown (10YR 5/2) silty clay loam; weak medium platy parts to moderate fine subangular blocky structure; friable; 0.5 very fine roots throughout; 10 percent distinct silt coats and 10 percent faint clay films on faces of peds; 1 percent fine dark yellowish brown (10YR 3/4) masses of oxidized iron and 5 percent fine iron-manganese concretions; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU015505
    Btg2—28 to 38 centimeters (11.0 to 15.0 inches); dark grayish brown (10YR 4/2) silty clay; moderate fine prismatic parts to strong very fine and fine subangular blocky structure; firm; 0.4 very fine roots throughout; 10 percent faint silt coats and 10 percent distinct manganese or iron-manganese stains and 20 percent faint dark gray (10YR 4/1) clay films on faces of peds; 1 percent fine dark reddish brown (5YR 3/4) masses of oxidized iron and 20 percent fine iron-manganese concretions; 10 percent fine dark yellowish brown (10YR 4/6); fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU015506
    Btg3—38 to 58 centimeters (15.0 to 22.8 inches); dark grayish brown (10YR 4/2) silty clay; moderate fine prismatic parts to strong fine subangular blocky structure; firm; 0.5 very fine roots; 30 percent faint dark gray (10YR 4/1) clay films on faces of peds; 1 percent fine dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU015507
    Btg4—58 to 84 centimeters (22.8 to 33.1 inches); grayish brown (10YR 5/2) silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 10 percent prominent clay films in root channels and/or pores and 10 percent faint silt coats and 30 percent prominent manganese or iron-manganese stains; 1 percent fine iron-manganese concretions and 10 percent medium dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # MU015508
    Btg5—84 to 102 centimeters (33.1 to 40.2 inches); gray (10YR 6/1) silty clay loam; moderate medium prismatic parts to weak fine subangular blocky structure; firm; 20 percent distinct clay films in root channels and/or pores and 20 percent prominent manganese or iron-manganese stains; 10 percent coarse dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # MU015509
    2Btg6—102 to 124 centimeters (40.2 to 48.8 inches); light brownish gray (10YR 6/2) silty clay loam; moderate coarse prismatic parts to moderate medium subangular blocky structure; firm; 20 percent distinct clay films in root channels and/or pores and 20 percent faint clay films on faces of peds; 10 percent medium dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # MU015510
    2Btg7—124 to 152 centimeters (48.8 to 59.8 inches); grayish brown (10YR 5/2) silty clay loam; weak coarse prismatic parts to weak medium subangular blocky structure; firm; 20 percent distinct clay films in root channels and/or pores; 25 percent medium and coarse dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # MU015511