IDENTIFIERS

  • Current Taxon Name (Soil Name): Lagonda
  • OSD
  • Series Extent
  • User Site ID: 2007MO175001
  • User Pedon ID: 2007MO175001
  • Transect:
  • User Transect ID - Lagonda-175-03
  • Transect Stop Number - 2
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0717501
  • NCSS Pedon Lab Data NASIS Record ID - 30721
  • Print Date: 11/21/2024

    • 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: 39.3275566
  • Std. Longitude: -92.6649170
  • Datum: WGS84
  • Township: T52N
  • Range: R16W
  • Section: 1
  • PLSS Details: 1,296 feet East and 201 feet North from the South West corner
  • Map Unit: 30118—Lagonda silt loam, 5 to 9 percent slopes, eroded
  • Country: US—United States
  • State: Missouri
  • County: MO175—Randolph
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO175—Randolph County, Missouri
  • 7.5 Minute USGS Quad: 39092-C6—Armstrong, Missouri

    • PEDON

  • Describers Name: David Dowdy, Larry Slechta, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Lagonda
  • PSC - 20 to 71 cm.
  • Classificaton Date - 4/17/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Lagonda
  • Classificaton Date - 4/10/2007
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over clayey pedisediment derived from mixed
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Pre-illinoian Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/2007 (actual site observation date)
  • Air Photo ID: 39092c6ne
  • 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
  • Yield Study ID -
  • 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

    redox depletions with chroma 2 or less

    redox concentrations

    lithologic discontinuity

    0—20

    20—206

    20—206

    20—206

    64—

    18—20—22

    184—186—188

    184—186—188

    184—186—188

    1—1—3
    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

    5

    —

    —

    241.1

    —

    285

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) rubbed silty clay loam; 2 percent sand; 66 percent silt; 32 percent clay; weak very fine subangular blocky, and weak fine subangular blocky structure; friable; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU029341; observed in push tube
    Btg1—20 to 46 centimeters (7.9 to 18.1 inches); dark grayish brown (10YR 4/2) broken face silty clay; 2 percent sand; 55 percent silt; 43 percent clay; moderate medium subangular blocky, and moderate medium prismatic structure; firm; 10.0 very fine roots throughout and 10.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 15 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; 5 percent fine faint cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 10 percent medium prominent cylindrical noncoherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with sharp boundaries throughout; fragments; clear smooth boundary. Lab sample # MU029342; observed in push tube
    Btg2—46 to 64 centimeters (18.1 to 25.2 inches); dark grayish brown (10YR 4/2) broken face silty clay; 4 percent sand; 50 percent silt; 46 percent clay; moderate medium subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 20 percent prominent dark gray (10YR 4/1), moist, clay films on all faces of peds; 5 percent fine distinct cylindrical moderately coherent cemented black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries throughout and 6 percent fine distinct cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 25 percent medium prominent cylindrical noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout; fragments; clear smooth boundary. Lab sample # MU029343; observed in push tube
    Btg3—64 to 89 centimeters (25.2 to 35.0 inches); gray (10YR 5/1) broken face silty clay loam; 7 percent sand; 61 percent silt; 32 percent clay; moderate medium subangular blocky, and moderate fine prismatic structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct clay films on all faces of peds; 4 percent fine distinct cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries on surfaces along root channels and 12 percent medium prominent cylindrical noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with sharp boundaries throughout; fragments; clear smooth boundary. Lab sample # MU029344; observed in push tube
    2Btg4—89 to 122 centimeters (35.0 to 48.0 inches); dark gray (10YR 4/1) broken face silty clay loam; 12 percent sand; 59 percent silt; 29 percent clay; moderate thick platy, and weak coarse prismatic structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 12 percent faint clay films on all faces of peds; 10 percent fine faint cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries on surfaces along root channels and 30 percent medium prominent cylindrical noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with sharp boundaries throughout; fragments; clear smooth boundary. Lab sample # MU029345; observed in push tube
    2Btg5—122 to 155 centimeters (48.0 to 61.0 inches); brown (10YR 5/3) broken face silty clay loam; 18 percent sand; 53 percent silt; 29 percent clay; moderate medium platy, and weak coarse prismatic structure; firm; 0.5 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent faint clay films on all faces of peds; 1 percent fine faint cylindrical noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with sharp boundaries throughout and 2 percent fine distinct cylindrical moderately coherent cemented black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries throughout and 12 percent medium distinct cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 30 percent fine distinct cylindrical noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout; fragments; clear smooth boundary. Lab sample # MU029346; observed in push tube
    2Btg6—155 to 206 centimeters (61.0 to 81.1 inches); brown (10YR 5/3) broken face silty clay loam; 19 percent sand; 48 percent silt; 33 percent clay; moderate medium platy, and weak coarse prismatic structure; firm; 0.5 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent faint clay films on all faces of peds; 1 percent fine faint cylindrical noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with sharp boundaries throughout and 3 percent fine distinct cylindrical moderately coherent cemented black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries throughout and 15 percent medium distinct cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries throughout; fragments. Lab sample # MU029347; observed in push tube