IDENTIFIERS

  • Current Taxon Name (Soil Name): Onita
  • OSD
  • Series Extent
  • User Site ID: S2015SD009004
  • User Pedon ID: S2015SD009004A
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0413
  • NCSS Pedon Lab Data NASIS Record ID - 82593
  • Print Date: 5/30/2024
  • 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: 42.8199000
  • Std. Longitude: -98.0768000
  • Datum: WGS84
  • Township: 92N
  • Range: 61W
  • Section: 5
  • PLSS Details: NE 1/4
  • Map Unit: HrA—Homme-Onita silty clay loams, 0 to 2 percent slopes
  • State: South Dakota
  • County: SD009—Bon Homme
  • MLRA: 55C—Southern Black Glaciated Plains
  • Non-MLRA Soil Survey Area: SD009—Bon Homme County, South Dakota
  • 7.5 Minute USGS Quad: 42098-G1—Niobrara, South Dakota
  • PEDON

  • Describers Name: N. Jones; A. Oxford
  • Current Taxonomic Class: Fine, smectitic, mesic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Onita
  • Taxonomic Class - Fine, smectitic, mesic Pachic Argiustolls
  • Taxon Kind - series
  • PSC - 46 to 96 cm.
  • Classificaton Date - 11/2/2015
  • Classifier - A. Oxford
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: locally transported fine-silty alluvium
  • Landscape: upland
  • Landform: plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot Baseline Length - 30
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/21/2015 (actual site observation date)
  • Data Collector: N. Jones; J. Hemenway; S. Boltz; A. Oxford
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—78

    46—134

    78—152

    —78—

    —88—

    —74—

    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

    2

    27

    90

    A—0 to 5 centimeters (0.0 to 2.0 inches);, black (10YR 2/1), moist; silt loam; weak fine granular structure; soft, very friable; many (8.0) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n. Lab sample # 16N01720; observed in push tube
    A—5 to 14 centimeters (2.0 to 5.5 inches);, black (10YR 2/1), moist; silt loam; weak fine granular structure; soft, very friable; many (8.0) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n. Lab sample # 16N01721; observed in push tube
    AB—14 to 46 centimeters (5.5 to 18.1 inches);, very dark gray (10YR 3/1), moist; silt loam; moderate fine subangular blocky structure; slightly hard, friable; common (3.0) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n. Lab sample # 16N01722; observed in push tube
    Bt—46 to 78 centimeters (18.1 to 30.7 inches);, black (10YR 2/1), moist; silty clay loam; moderate very coarse prismatic structure; slightly hard, friable; common (2.0) very fine roots throughout and few (1.0) medium roots throughout and few (1.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n. Lab sample # 16N01723; observed in push tube
    Btk1—78 to 96 centimeters (30.7 to 37.8 inches);, olive brown (2.5Y 4/3), moist; silty clay loam; strong coarse prismatic structure; hard, very firm; few (1.0) very fine roots throughout and few (1.0) fine roots throughout; 5 percent fine faint spherical weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 5 percent medium prominent spherical weakly coherent cemented carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # 16N01724; observed in push tube
    Btk2—96 to 138 centimeters (37.8 to 54.3 inches);, grayish brown (2.5Y 5/2), moist; silty clay; weak very coarse prismatic structure; hard, very firm; few (1.0) very fine roots throughout; 10 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent coarse distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 20 percent coarse prominent irregular weakly coherent cemented carbonate masses in matrix; fragments; slight effervescence, by hcl, 1n. Lab sample # 16N01725; observed in push tube
    Bk—138 to 152 centimeters (54.3 to 59.8 inches);, dark grayish brown (2.5Y 4/2), moist; silt loam; weak medium prismatic structure; slightly hard, friable; few (1.0) very fine roots throughout; 10 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent coarse distinct irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 1 percent fine faint irregular weakly coherent cemented carbonate masses in matrix; fragments; slight effervescence, by hcl, 1n.; observed in push tube