IDENTIFIERS

  • Current Taxon Name (Soil Name): Humeston
  • OSD
  • Series Extent
  • User Site ID: S2009IA029003
  • User Pedon ID: S09IA029003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0786
  • NCSS Pedon Lab Data NASIS Record ID - 24546
  • 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: 41.3574181
  • Std. Longitude: -95.0638046
  • Datum: WGS84
  • Township: 76N
  • Range: 37W
  • Section: 26
  • PLSS Details: 1100 feet south and 1185 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-C1—Lewis, 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 #: 3
  • Sampled As Information:
  • Soil Name - Humeston
  • Taxonomic Class - Fine, mixed, mesic Argiaquic Argialbolls
  • PSC - 38 to 157 cm.
  • Classificaton Date - 12/15/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or loess
  • Geomorphic Component Terraces: riser
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/15/2008 (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

    0

    —

    —

    347

    —

    360

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 22 centimeters (0.0 to 8.7 inches); black (10YR 2/1), gray (10YR 5/1), dry; silt loam; 20 percent clay; moderate medium subangular blocky, and weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 1.0 fine tubular pores; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # 09N02567; observed in push tube
    E—22 to 38 centimeters (8.7 to 15.0 inches); dark gray (10YR 4/1), gray (2.5Y 6/1), dry; silt loam; 25 percent clay; moderate medium platy, and moderate fine platy structure; friable; 2.0 very fine roots throughout; 2.0 fine tubular pores; 2 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # 09N02568; observed in push tube. patchy - phpvsfiid 452345; patchy - phpvsfiid 452345
    Btg1—38 to 64 centimeters (15.0 to 25.2 inches); very dark gray (10YR 3/1) silty clay loam; 39 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 2.0 very fine roots throughout; 1.0 fine tubular pores; 7 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds and 17 percent distinct black (10YR 2/1), moist, clay films on vertical faces of peds; 5 percent medium prominent irregular dark yellowish brown (10YR 4/6) masses of oxidized iron on vertical faces of peds and 5 percent fine prominent irregular dark yellowish brown (10YR 4/6) masses of oxidized iron on vertical faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # 09N02569; observed in push tube
    Btg2—64 to 99 centimeters (25.2 to 39.0 inches); dark gray (10YR 4/1) silty clay; 40 percent clay; moderate medium prismatic parts to moderate coarse subangular blocky structure; firm; 1.0 very fine and fine roots throughout; 1.0 fine tubular pores; 5 percent distinct very dark gray (10YR 3/1), moist, clay films on vertical faces of peds; 2 percent fine distinct irregular grayish brown (10YR 5/2) masses of reduced iron on faces of peds and 7 percent fine and medium distinct irregular dark yellowish brown (10YR 4/6) masses of oxidized iron on faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # 09N02570; observed in push tube. patchy - phpvsfiid 452348; patchy - phpvsfiid 452348
    Btg3—99 to 130 centimeters (39.0 to 51.2 inches); light brownish gray (2.5Y 6/2) silty clay; 42 percent clay; strong coarse prismatic parts to strong medium subangular blocky structure; firm; 1.0 very fine tubular pores; 2 percent distinct grayish brown (2.5Y 5/2), moist, clay films on vertical faces of peds and 3 percent prominent very dark gray (10YR 3/1), moist, organic stains on vertical faces of peds; 3 percent fine faint irregular dark grayish brown (2.5Y 4/2) masses of reduced iron on faces of peds and 15 percent medium prominent irregular yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds; fragments; slightly acid, pH 6.1; clear wavy boundary. Lab sample # 09N02571; observed in push tube. patchy - phpvsfiid 452349; patchy - phpvsfiid 452350; patchy - phpvsfiid 452349; patchy - phpvsfiid 452350
    Btg4—130 to 157 centimeters (51.2 to 61.8 inches); gray (2.5Y 6/1) silty clay loam; 38 percent clay; strong coarse prismatic parts to strong coarse subangular blocky structure; firm; 1.0 very fine tubular pores; 2 percent distinct gray (2.5Y 5/1), moist, clay films on vertical faces of peds and 2 percent distinct very dark gray (10YR 3/1), moist, organic stains on vertical faces of peds; 3 percent fine and medium faint irregular light gray (2.5Y 7/1) masses of reduced iron on faces of peds and 17 percent fine and medium prominent irregular strong brown (7.5YR 5/6) masses of oxidized iron on faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # 09N02572; observed in push tube. patchy - phpvsfiid 452351; patchy - phpvsfiid 452352; patchy - phpvsfiid 452351; patchy - phpvsfiid 452352
    BCg1—157 to 185 centimeters (61.8 to 72.8 inches); gray (2.5Y 6/1) silty clay loam; 36 percent clay; weak coarse prismatic parts to weak coarse subangular blocky structure; firm; 1.0 very fine tubular pores; 1 percent prominent very dark gray (10YR 3/1), moist, organic stains on vertical faces of peds; 2 percent fine prominent irregular light gray (2.5Y 7/1) masses of reduced iron on faces of peds and 7 percent fine and medium prominent irregular strong brown (7.5YR 5/6) masses of oxidized iron on faces of peds and 17 percent fine and medium prominent irregular dark yellowish brown (10YR 4/6) masses of oxidized iron; fragments; strongly acid, pH 5.5; gradual wavy boundary. Lab sample # 09N02573; observed in push tube. patchy - phpvsfiid 452353; patchy - phpvsfiid 452353
    BCg2—185 to 203 centimeters (72.8 to 79.9 inches); gray (2.5Y 6/1) silt loam; 25 percent clay; weak coarse subangular blocky structure; friable; 1.0 very fine tubular pores; 1 percent prominent black (10YR 2/1), moist, organic stains on vertical faces of peds; 3 percent fine faint irregular black (10YR 2/1) iron-manganese masses on faces of peds and 5 percent fine prominent irregular strong brown (7.5YR 5/6) masses of oxidized iron on faces of peds and 10 percent fine prominent irregular dark yellowish brown (10YR 4/6) masses of oxidized iron on faces of peds; fragments; very strongly acid, pH 4.8. Lab sample # 09N02574; observed in push tube. patchy - phpvsfiid 452354; patchy - phpvsfiid 452354