IDENTIFIERS

  • Current Taxon Name (Soil Name): Armster
  • OSD
  • Series Extent
  • User Site ID: 2007MO199002
  • User Pedon ID: 2007MO199002
  • Transect:
  • User Transect ID - T07-199-02
  • Transect Stop Number - 6
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0719902
  • NCSS Pedon Lab Data NASIS Record ID - 25161
  • Print Date: 2/16/2025

    • 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: 40.5827500
  • Std. Longitude: -92.2643611
  • Datum: WGS84
  • Township: T67N
  • Range: R12W
  • Section: 29
  • PLSS Details: 2,437 feet West and 1,352 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO199—Scotland
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO199—Scotland County, Missouri
  • 7.5 Minute USGS Quad: 40092-E3—Kilwinning, Missouri

    • PEDON

  • Describers Name: Scott Paine
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Armster
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Armster
  • Classificaton Date - 5/24/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over clayey till derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: plain
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/24/2007 (actual site observation date)
  • Air Photo ID: 40092e3ne
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—185

    —23—

    —162—
    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

    6

    —

    —

    249

    —

    165

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) rubbed, grayish brown (10YR 5/2) interior, dry; silty clay loam; weak fine subangular blocky structure; friable; 10.0 fine roots throughout and 10.0 roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU000217; observed in push tube
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); brown (10YR 4/3) interior silty clay loam; weak fine subangular blocky structure; firm; 10.0 fine roots throughout and 10.0 roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 12 percent distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brown (10YR 4/3), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    Bt2—38 to 71 centimeters (15.0 to 28.0 inches); grayish brown (10YR 5/2) interior silty clay; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout; 3.0 fine tubular pores; 12 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 5/8), 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; 2 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    2Bt3—71 to 97 centimeters (28.0 to 38.2 inches); grayish brown (2.5Y 5/2) interior clay; moderate medium subangular blocky, and moderate medium prismatic structure; firm; 3.0 very fine roots throughout; 10.0 fine tubular pores; 35 percent distinct grayish brown (2.5Y 5/2), 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    2Bt4—97 to 124 centimeters (38.2 to 48.8 inches); gray (10YR 5/1) interior clay; weak fine subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots throughout; 3.0 fine tubular 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 brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    2Bt5—124 to 150 centimeters (48.8 to 59.1 inches); gray (2.5Y 6/1) interior clay; weak fine subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots throughout; 3.0 fine tubular pores; 35 percent distinct grayish brown (2.5Y 5/2), 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 5/8), 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; 2 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    2Bt6—150 to 185 centimeters (59.1 to 72.8 inches); gray (10YR 5/1) interior clay; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 35 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light yellowish brown (2.5Y 6/4), 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    2BC—185 to 211 centimeters (72.8 to 83.1 inches); light yellowish brown (2.5Y 6/4) interior clay loam; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter mixed fragments.; observed in push tube