IDENTIFIERS

  • Current Taxon Name (Soil Name): Humeston
  • OSD
  • Series Extent
  • User Site ID: S2009IA029005
  • User Pedon ID: S09IA029005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0787
  • NCSS Pedon Lab Data NASIS Record ID - 24547
  • Print Date: 5/19/2024
  • 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: 41.3388062
  • Std. Longitude: -95.0839157
  • Datum: WGS84
  • Township: 76N
  • Range: 37W
  • Section: 34
  • PLSS Details: 1850 feet south and 1250 feet west of the northwest 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: 41094-D8—Wiota, Iowa
  • PEDON

  • Describers Name: Richard A. Lensch
  • Current Taxonomic Class: Fine, mixed, mesic Argiaquic Argialbolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Humeston
  • Taxonomic Class - Fine, mixed, mesic Argiaquic Argialbolls
  • PSC - 23 to 63 cm.
  • Classificaton Date - 11/24/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Geomorphic Component Terraces: riser
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: poorly
  • Ponding: rare ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/24/2008 (entry creation date)
  • Air Photo ID: 30
  • 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

    1

    348

    270

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), grayish brown (10YR 5/2), dry; silty clay loam; 28 percent clay; weak fine subangular blocky structure; friable; 2.0 fine roots throughout; 2.0 fine tubular pores; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # 09N02575; observed in push tube
    A—23 to 36 centimeters (9.1 to 14.2 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; silty clay loam; 29 percent clay; weak fine subangular blocky structure; friable; 2.0 very fine roots throughout; 2.0 very fine tubular pores; fragments; moderately acid, pH 5.6; abrupt smooth boundary. Lab sample # 09N02576; observed in push tube
    E—36 to 58 centimeters (14.2 to 22.8 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; 24 percent clay; weak thin platy structure; friable; 1.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; slightly acid, pH 6.1; abrupt smooth boundary. Lab sample # 09N02577; observed in push tube
    Btg1—58 to 84 centimeters (22.8 to 33.1 inches); very dark gray (5Y 3/1) silty clay loam; 34 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 100 percent distinct black (10YR 2/1) clay films on vertical faces of peds; fragments; neutral, pH 6.6; clear smooth boundary. Lab sample # 09N02578; observed in push tube. continuous - phpvsfiid 452333; continuous - phpvsfiid 452333
    Btg2—84 to 107 centimeters (33.1 to 42.1 inches); dark gray (5Y 4/1) silty clay loam; 39 percent clay; strong medium prismatic parts to strong fine subangular blocky, and strong medium subangular blocky structure; firm; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 100 percent distinct very dark gray (5Y 3/1) clay films on vertical faces of peds; fragments; neutral, pH 6.6; gradual smooth boundary. Lab sample # 09N02579; observed in push tube. continuous - phpvsfiid 452334; continuous - phpvsfiid 452334
    Btg3—107 to 132 centimeters (42.1 to 52.0 inches); dark gray (5Y 4/1) silty clay loam; 35 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine tubular pores; 50 percent distinct very dark gray (5Y 3/1) clay films on vertical faces of peds; fragments; slightly acid, pH 6.1; gradual smooth boundary. Lab sample # 09N02580; observed in push tube. discontinuous - phpvsfiid 452335; discontinuous - phpvsfiid 452335
    Btg4—132 to 163 centimeters (52.0 to 64.2 inches); gray (5Y 5/1) silty clay loam; 32 percent clay; moderate medium prismatic parts to moderate medium subangular blocky, and moderate coarse subangular blocky structure; friable; 1.0 very fine roots throughout; 4.0 very coarse tubular pores; 20 percent distinct dark gray (5Y 4/1) clay films on vertical faces of peds; 2 percent fine distinct irregular light olive brown (2.5Y 5/4) masses of oxidized iron throughout; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # 09N02581; observed in push tube. discontinuous - phpvsfiid 452336; discontinuous - phpvsfiid 452336
    BCg—163 to 183 centimeters (64.2 to 72.0 inches); olive gray (5Y 5/2) silty clay loam; 27 percent clay; moderate coarse prismatic structure; friable; 4.0 very fine tubular pores; 5 percent fine distinct irregular light olive brown (2.5Y 5/4) masses of oxidized iron throughout and 5 percent fine prominent spherical black (10YR 2/1) iron-manganese masses throughout; fragments; moderately acid, pH 5.7; gradual smooth boundary. Lab sample # 09N02582; observed in push tube
    C—183 to 203 centimeters (72.0 to 79.9 inches); olive gray (5Y 5/2) silt loam; 26 percent clay; massive; friable; 4.0 very fine tubular pores; 5 percent fine prominent spherical black (10YR 2/1) iron-manganese nodules throughout and 10 percent fine prominent irregular light olive brown (2.5Y 5/6) masses of oxidized iron throughout; fragments; strongly acid, pH 5.1. Lab sample # 09N02583; observed in push tube