IDENTIFIERS

  • Current Taxon Name (Soil Name): Marshall
  • OSD
  • Series Extent
  • User Site ID: S2009IA029007
  • User Pedon ID: S09IA029007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0789
  • NCSS Pedon Lab Data NASIS Record ID - 24549
  • Print Date: 5/31/2024
  • 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: 41.4317207
  • Std. Longitude: -95.0263367
  • Datum: WGS84
  • Township: 77N
  • Range: 36W
  • Section: 31
  • PLSS Details: 200 feet south and 1000 feet west of the northeast corner
  • State: Iowa
  • County: IA029—Cass
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: IA029—Cass County, Iowa
  • 7.5 Minute USGS Quad: 41095-D1—Atlantic, Iowa
  • PEDON

  • Describers Name: Richard A. Lensch
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Marshall
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/3/2013
  • Sampled As Information:
  • Soil Name - Marshall Sicl
  • Classificaton Date - 12/15/2008
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/15/2008 (actual site observation date)
  • Air Photo ID: 11
  • 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
  • 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

    3

    135

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silty clay loam; 32 percent clay; moderate fine subangular blocky structure; friable; 2.0 fine roots throughout; 3.0 fine irregular pores; fragments; moderately acid, pH 5.6; abrupt smooth boundary. Lab sample # 09N02592; observed in push tube
    A—15 to 28 centimeters (5.9 to 11.0 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silty clay loam; 33 percent clay; moderate very fine subangular blocky parts to moderate very fine granular structure; friable; 2.0 very fine roots throughout; 4.0 very fine tubular pores; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # 09N02593; observed in push tube
    AB—28 to 41 centimeters (11.0 to 16.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; 34 percent clay; moderate fine subangular blocky structure; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; 60 percent distinct very dark brown (10YR 2/2) organic stains on vertical faces of peds; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # 09N02594; observed in push tube. discontinuous - phpvsfiid 439325; discontinuous - phpvsfiid 439325
    Bw1—41 to 66 centimeters (16.1 to 26.0 inches); brown (10YR 4/3) silty clay loam; 33 percent clay; moderate fine prismatic parts to moderate fine subangular blocky structure; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; 20 percent distinct dark brown (10YR 3/3), moist, organic stains on vertical faces of peds; fragments; slightly acid, pH 6.1; gradual smooth boundary. Lab sample # 09N02595; observed in push tube. discontinuous - phpvsfiid 439326; discontinuous - phpvsfiid 439326
    Bw2—66 to 89 centimeters (26.0 to 35.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; 32 percent clay; weak medium prismatic structure; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; ; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # 09N02596; observed in push tube
    Bw3—89 to 117 centimeters (35.0 to 46.1 inches); dark yellowish brown (10YR 4/4) silty clay loam; 31 percent clay; weak coarse subangular blocky structure; friable; 1.0 very fine roots throughout; 5.0 very fine tubular pores; 3 percent fine distinct irregular yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds and 3 percent fine distinct irregular grayish brown (2.5Y 5/2) masses of reduced iron on faces of peds; fragments; slightly acid, pH 6.4; gradual smooth boundary. Lab sample # 09N02597; observed in push tube
    BC—117 to 142 centimeters (46.1 to 55.9 inches); brown (10YR 5/3) silty clay loam; 29 percent clay; weak coarse prismatic structure; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; 3 percent fine distinct irregular grayish brown (2.5Y 5/2) masses of reduced iron on faces of peds and 4 percent fine distinct irregular yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds; fragments; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # 09N02598; observed in push tube
    C1—142 to 175 centimeters (55.9 to 68.9 inches); brown (10YR 5/3) silty clay loam; 28 percent clay; massive; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; 5 percent fine distinct irregular yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds and 8 percent fine faint irregular grayish brown (10YR 5/2) masses of reduced iron on faces of peds; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 09N02599; observed in push tube
    C2—175 to 203 centimeters (68.9 to 79.9 inches); grayish brown (2.5Y 5/2) silty clay loam; 27 percent clay; massive; friable; 1.0 very fine roots throughout; 4.0 very fine tubular pores; 8 percent fine prominent spherical black (10YR 2/1) iron-manganese nodules throughout and 20 percent fine distinct irregular yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds; fragments; slightly acid, pH 6.5. Lab sample # 09N02600; observed in push tube