IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO007006
  • User Pedon ID: 2005MO007006
  • Transect:
  • User Transect ID - MexPut-26
  • Transect Stop Number - 10
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0500706
  • NCSS Pedon Lab Data NASIS Record ID - 25819
  • Print Date: 5/20/2024

    • 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: 39.2712500
  • Std. Longitude: -92.1555833
  • Datum: WGS84
  • Township: T52N
  • Range: R11W
  • Section: 21
  • PLSS Details: 1,211 feet East and 437 feet North from the South West corner
  • Country: US—United States
  • State: Missouri
  • County: MO007—Audrain
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO007—Audrain County, Missouri
  • 7.5 Minute USGS Quad: 39092-C2—Tulip, Missouri

    • PEDON

  • Describers Name: Ralph Tucker, Teresa Gerber
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - MEXICO
  • PSC - 15 to 66 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - MEXICO
  • Classificaton Date - 11/17/2005
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty and clayey loess derived from mixed over silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very high
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/2005 (actual site observation date)
  • Air Photo ID: 39092c2se
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    reduced matrix

    aquic conditions

    lithologic discontinuity

    0—15

    15—203

    15—203

    15—203

    74—

    —15—

    —188—

    —188—

    —188—

    —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

    2.5

    —

    —

    258.8

    —

    315

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 80 percent very dark gray (10YR 3/1) interior and 20 percent very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; silt loam; moderate fine and medium subangular blocky, and moderate platy structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU005157; observed in push tube
    Btg1—15 to 28 centimeters (5.9 to 11.0 inches); 70 percent dark grayish brown (10YR 4/2) interior and 30 percent grayish brown (10YR 5/2) interior silty clay loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), 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; 1 percent fine distinct black (10YR 2/1), moist, on faces of peds; fragments; clear smooth boundary.; observed in push tube
    Btg2—28 to 46 centimeters (11.0 to 18.1 inches); grayish brown (10YR 5/2) interior silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular pores; 70 percent faint gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), 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; 1 percent fine distinct black (10YR 2/1), moist, on faces of peds; fragments; clear smooth boundary.; observed in push tube
    Btg3—46 to 74 centimeters (18.1 to 29.1 inches); 70 percent very dark gray (10YR 3/1) interior and 30 percent dark grayish brown (10YR 4/2) interior silty clay; strong fine and medium subangular blocky, and moderate coarse prismatic structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular pores; 70 percent faint dark gray (10YR 4/1), moist, clay films 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.; observed in push tube
    2Btg4—74 to 117 centimeters (29.1 to 46.1 inches); dark gray (10YR 4/1) interior silty clay; strong fine and medium subangular blocky, and strong coarse prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 35 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg5—117 to 152 centimeters (46.1 to 59.8 inches); dark gray (10YR 4/1) interior silty clay; strong fine and medium subangular blocky, and strong coarse prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 70 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg6—152 to 183 centimeters (59.8 to 72.0 inches); dark gray (10YR 4/1) interior silty clay; strong fine and medium subangular blocky, and strong coarse prismatic structure; firm; 0.5 very fine tubular and 0.5 fine interstitial pores; 12 percent distinct brown (10YR 5/3), moist, silt coats on all faces of peds and 70 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg7—183 to 203 centimeters (72.0 to 79.9 inches); dark gray (10YR 4/1) interior silty clay; strong fine and medium subangular blocky, and strong coarse prismatic structure; firm; 0.5 very fine tubular pores; 35 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds and 35 percent distinct brown (10YR 5/3), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments.; observed in push tube