IDENTIFIERS

  • Current Taxon Name (Soil Name): MOTARK
  • OSD
  • Series Extent
  • User Site ID: 2007MO087001
  • User Pedon ID: 2007MO087001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0708701
  • NCSS Pedon Lab Data NASIS Record ID - 25890
  • Print Date: 1/25/2025

    • 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: 39.9056389
  • Std. Longitude: -95.0119167
  • Datum: WGS84
  • Township: T59N
  • Range: R37W
  • Section: 26
  • PLSS Details: 39 feet West and 1,476 feet South from the North East corner
  • Country: US—United States
  • State: Missouri
  • County: MO087—Holt
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: MO087—Holt County, Missouri
  • 7.5 Minute USGS Quad: 39095-H1—Forbes, Missouri

    • PEDON

  • Describers Name: Larry Gray, Dennis Meinert, Kim Worth
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, nonacid, mesic Oxyaquic Udifluvents
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - MOTARK
  • Taxonomic Class - Coarse-silty, mixed, superactive, nonacid, mesic Oxyaquic Udifluvents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/29/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood plain
  • Geomorphic Component Flats: flat
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Flooding: occasional flooding for brief periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/2007 (actual site observation date)
  • Air Photo ID: 39095h1se
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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

    redox concentrations

    aquic conditions

    0—15

    16—186

    161—186

    —15—

    —170—

    —25—
    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

    —

    —

    252.4

    —

    190

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 16 centimeters (0.0 to 6.3 inches); brown (10YR 4/3) broken face loam; weak medium subangular blocky structure; very friable; 4.0 very fine roots and 2.0 fine roots; 10.0 very fine low-continuity dendritic tubular pores; fragments; clear smooth boundary. Lab sample # MU005702; observed in push tube
    Bw—16 to 34 centimeters (6.3 to 13.4 inches); light olive brown (2.5Y 5/3) broken face loam; weak coarse subangular blocky structure; friable; 5.0 very fine roots; 7.0 very fine low-continuity dendritic tubular pores; 2 percent faint dark grayish brown (2.5Y 4/2), moist, organic stains 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005703; observed in push tube
    C1—34 to 74 centimeters (13.4 to 29.1 inches); 40 percent light yellowish brown (2.5Y 6/3) broken face and 60 percent light gray (10YR 7/2) broken face loamy very fine sand; massive; loose; 0.5 very fine roots; 1.0 fine low-continuity vesicular pores; 1 percent medium faint irregular noncoherent cemented light olive brown (2.5Y 5/4), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005704; observed in push tube
    C2—74 to 107 centimeters (29.1 to 42.1 inches); 70 percent light olive brown (2.5Y 5/3) broken face and 30 percent light yellowish brown (2.5Y 6/3) broken face loamy very fine sand; massive; loose; 0.5 very fine roots; 1.0 very fine low-continuity dendritic tubular and 2.0 fine low-continuity vesicular pores; 1 percent medium faint irregular noncoherent cemented light olive brown (2.5Y 5/4), 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; fragments; gradual smooth boundary. Lab sample # MU005705; observed in push tube
    C3—107 to 127 centimeters (42.1 to 50.0 inches); light yellowish brown (2.5Y 6/3) broken face loamy very fine sand; massive; loose; 0.5 very fine roots; 1.0 fine low-continuity vesicular pores; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005706; observed in push tube
    C4—127 to 161 centimeters (50.0 to 63.4 inches); light yellowish brown (2.5Y 6/3) broken face loam; 45 percent sand; 47 percent silt; 8 percent clay; massive; loose; 0.5 very fine roots; 2.0 fine low-continuity vesicular pores; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/4), 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005707; observed in push tube
    C5—161 to 186 centimeters (63.4 to 73.2 inches); grayish brown (2.5Y 5/2) broken face silt loam; 2 percent sand; 75 percent silt; 23 percent clay; massive; friable; 0.5 very fine roots; 6.0 fine low-continuity vesicular pores; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light olive brown (2.5Y 5/4), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU005708; observed in push tube
    C6—186 to 203 centimeters (73.2 to 79.9 inches); pale yellow (2.5Y 7/3) broken face loamy fine sand; 75 percent sand; 21 percent silt; 4 percent clay; single grain; loose; 10.0 fine low-continuity irregular pores; fragments. Lab sample # MU005709; observed in push tube