IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO007010
  • User Pedon ID: 2005MO007010
  • Vegetation Plot ID: 2005MO007010
  • Transect:
  • User Transect ID - MexPut-29
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0500710
  • NCSS Pedon Lab Data NASIS Record ID - 25821
  • 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: 39.1391389
  • Std. Longitude: -92.0177222
  • Datum: WGS84
  • Township: T50N
  • Range: R10W
  • Section: 3
  • PLSS Details: 1,584 feet West and 1,214 feet North from the South East corner
  • Location Description: Benne Farm
  • 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-B1—Centralia NE, Missouri

    • PEDON

  • Describers Name: Keith Knelle, John Horton
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Albaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - MEXICO
  • PSC - 20 to 71 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 - 12/12/2005
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage silty and clayey loess derived from mixed over Holocene Stage silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • 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: 12/12/2005 (actual site observation date)
  • Air Photo ID: 39092b1se
  • 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

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    —

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

    ochric epipedon

    argillic horizon

    aquic conditions

    reduced matrix

    lithologic discontinuity

    0—20

    20—114

    20—114

    20—114

    56—

    —20—

    —94—

    —94—

    —94—

    —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

    1

    —

    —

    266.7

    —

    295

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; weak fine granular structure; friable; 3.0 fine roots throughout; 10.0 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU005172; observed in push tube
    Btg1—20 to 41 centimeters (7.9 to 16.1 inches); grayish brown (10YR 5/2) broken face clay; moderate fine and medium angular blocky structure; firm; 3.0 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005173; observed in push tube
    Btg2—41 to 56 centimeters (16.1 to 22.0 inches); grayish brown (10YR 5/2) broken face silty clay; moderate fine angular blocky, and moderate medium angular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent faint yellowish brown (10YR 5/4), 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; fragments; clear smooth boundary. Lab sample # MU005174; observed in push tube
    2Btg3—56 to 69 centimeters (22.0 to 27.2 inches); pale red (2.5YR 6/2) broken face silty clay; weak fine angular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 12 percent faint pale red (2.5YR 6/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), 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 # MU005175; observed in push tube
    2Btg4—69 to 102 centimeters (27.2 to 40.2 inches); weak red (2.5YR 5/2) broken face silty clay loam; moderate fine angular blocky, and moderate medium platy structure; very firm; 0.5 fine roots throughout; 0.5 fine vesicular and 3.0 fine tubular pores; 12 percent distinct light brownish gray (10YR 6/2), 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 brown (7.5YR 4/4), 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 and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), 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 # MU005176; observed in push tube
    2Btg5—102 to 114 centimeters (40.2 to 44.9 inches); reddish gray (2.5YR 6/1) broken face silty clay loam; moderate fine angular blocky, and moderate medium platy structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct light brownish gray (10YR 6/2), 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 brown (7.5YR 4/4), 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 and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), 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. Lab sample # MU005177; observed in push tube