IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO007011
  • User Pedon ID: 2005MO007011
  • Vegetation Plot ID: 2005MO007011
  • Transect:
  • User Transect ID - MexPut-29
  • Transect Stop Number - 8
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0500711
  • NCSS Pedon Lab Data NASIS Record ID - 25822
  • Print Date: 11/23/2024

    • 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: 39.1350278
  • Std. Longitude: -92.0158889
  • Datum: WGS84
  • Township: T50N
  • Range: R10W
  • Section: 10
  • PLSS Details: 1,046 feet West and 275 feet South from the North East 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-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 #: 11
  • 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 - 12/12/2005
  • 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: nose slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • 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 rill
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    15 -

    - 1 -

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

    ochric epipedon

    argillic horizon

    abrupt textural change

    reduced matrix

    lithologic discontinuity

    0—15

    15—117

    15—

    15—117

    91—

    —15—

    —102—

    —1—

    —102—

    —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

    1.5

    —

    —

    268.5

    —

    120

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 5/3) broken face, dry; silt loam; 100 percent silt; weak very fine subangular blocky structure; friable; 3.0 fine roots throughout; 10.0 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU005178; observed in pit, small
    Btg1—15 to 28 centimeters (5.9 to 11.0 inches); 50 percent gray (10YR 5/1) broken face and 50 percent grayish brown (10YR 5/2) broken face clay; 100 percent silt; moderate fine subangular blocky structure; firm; 3.0 fine roots throughout; 10.0 fine vesicular pores; 35 percent distinct 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 red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005179; observed in pit, small
    Btg2—28 to 56 centimeters (11.0 to 22.0 inches); grayish brown (10YR 5/2) broken face silty clay; 100 percent silt; moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 10.0 fine vesicular pores; 70 percent distinct grayish brown (10YR 5/2), 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), 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; clear smooth boundary. Lab sample # MU005180; observed in pit, small
    Btg3—56 to 91 centimeters (22.0 to 35.8 inches); light brownish gray (10YR 6/2) broken face silty clay loam; 100 percent silt; weak fine subangular blocky structure; very firm; 0.5 very fine roots throughout; 10.0 fine tubular and 10.0 fine vesicular pores; 70 percent distinct 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 reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in pit, small
    2Btg4—91 to 117 centimeters (35.8 to 46.1 inches); gray (10YR 6/1) broken face silty clay loam; 100 percent silt; weak fine subangular blocky, and weak medium platy structure; firm; 0.5 very fine roots throughout; 10.0 fine vesicular and 10.0 fine tubular pores; 12 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds and 12 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix and 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU005182; observed in pit, small