IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1990MO057013S
  • User Pedon ID: 1990MO057013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0629
  • Print Date: 4/26/2025

    • 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: 37.2838898
  • Std. Longitude: -93.6258316
  • Datum: WGS84
  • Township: T30N
  • Range: R24W
  • Section: 36
  • PLSS Details: 2600 feet W and 700 feet N of the SE corner
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: Max Aldrich, R.D. Chorice, Chuck Harwood
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Fragiudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 13
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxonomic Class - Fine-loamy, siliceous Typic Fragiudalfs
  • Taxon Kind - series
  • PSC - 15 to 61 cm.
  • Classificaton Date - 9/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian deposits derived from noncalcareous sandstone and/or eolian deposits derived from noncalcareous sandstone and/or residuum weathered from noncalcareous sandstone
  • Landscape: hills
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—15

    15—61

    61—132

    —-

    —-

    —-
    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

    —

    —

    349

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; fine sandy loam; weak medium granular, and platy structure; friable; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 91P03545
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) loam; weak medium granular, and platy structure; friable; 15 percent faint , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 91P03546. few fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; discontinuous - phpvsfiid 234118; discontinuous - phpvsfiid 234118
    Bt2—30 to 51 centimeters (11.8 to 20.1 inches); reddish brown (5YR 4/4) and strong brown (7.5YR 4/6) loam; moderate medium subangular blocky structure; friable; 15 percent faint , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 91P03547. few fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; discontinuous - phpvsfiid 234119; discontinuous - phpvsfiid 234119
    Bt3—51 to 61 centimeters (20.1 to 24.0 inches); 5YR 4/8 (5YR 4/8) clay loam; 11 percent brown (7.5YR 4/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 15 percent , moist, manganese or iron-manganese stains and 37 percent distinct , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; moderately acid, pH 5.9, hellige-truog; abrupt smooth boundary. Lab sample # 91P03548. few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few manganese or iron-manganese stains surface features; common fine distinct 7.5YR42 mottles; continuous - phpvsfiid 234120; discontinuous - phpvsfiid 234121; continuous - phpvsfiid 234120; discontinuous - phpvsfiid 234121
    2Btx1—61 to 66 centimeters (24.0 to 26.0 inches); sandy loam; fragments. Lab sample # 91P03554
    2Btx2—66 to 84 centimeters (26.0 to 33.1 inches); strong brown (7.5YR 4/6) fine sandy loam; 11 percent brown (7.5YR 4/2) fine distinct mottles; weak medium platy structure; brittle; 37 percent distinct , moist, clay films on faces of peds; 11 percent coarse spherical iron-manganese concretions; 20 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 91P03549. roots matted on top of horizon and in polygnal cracks; common coarse iron-manganese concretions concentrations; common clay films surface features on faces of peds; common fine distinct 7.5YR42 mottles; continuous - phpvsfiid 234122; continuous - phpvsfiid 234122
    2Btx3—71 to 76 centimeters (28.0 to 29.9 inches); sandy loam; fragments. Lab sample # 91P03555
    2Btx4—84 to 104 centimeters (33.1 to 40.9 inches); yellowish red (5YR 5/8) and strong brown (7.5YR 4/6) and strong brown (7.5YR 5/6) fine sandy loam; 1 percent brown (7.5YR 4/2) fine distinct mottles; moderate medium platy structure; 37 percent distinct , moist, clay films on faces of peds; 11 percent coarse spherical iron-manganese concretions; 20 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 91P03550. common coarse iron-manganese concretions concentrations; common clay films surface features on faces of peds; few fine distinct 7.5YR42 mottles; continuous - phpvsfiid 234123; continuous - phpvsfiid 234123
    2Btx5—104 to 132 centimeters (40.9 to 52.0 inches); dark red (2.5YR 3/6) and reddish brown (5YR 4/4) and reddish brown (5YR 5/4) silty clay loam; 11 percent reddish gray (5YR 5/2) fine distinct mottles; strong coarse platy structure; brittle; 37 percent distinct , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; 25 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.4, hellige-truog; gradual smooth boundary. Lab sample # 91P03551. few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common fine distinct 5YR52 mottles; continuous - phpvsfiid 234124; continuous - phpvsfiid 234124
    3Bt4—132 to 165 centimeters (52.0 to 65.0 inches); yellowish red (5YR 4/6) and yellowish red (5YR 5/8) silty clay loam; moderate coarse massive; very firm; 37 percent distinct , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; 70 percent by volume 150-265-380 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, hellige-truog. Lab sample # 91P03552. few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; discontinuous - phpvsfiid 234125; discontinuous - phpvsfiid 234125