IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1991MO057070S
  • User Pedon ID: 1991MO057070
  • User Site Association ID: 8840
  • Transect:
  • User Transect ID - PENN
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0050
  • 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: 37.3277779
  • Std. Longitude: -93.8011093
  • Datum: WGS84
  • Township: T30N
  • Range: R26W
  • Section: 21
  • PLSS Details: 400 feet S and 1340 feet E of the NW corner
  • Location Description: South Greenfield Quadrangle
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO057—Dade County, Missouri

    • PEDON

  • Describers Name: RDC, CH
  • Current Taxonomic Class: Fine-loamy, mixed Typic Fragiudalfs
  • Pedon Type: within range of map unit
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 70
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxonomic Class - Fine-loamy, mixed Typic Fragiudalfs
  • Taxon Kind - series
  • PSC - 8 to 61 cm.
  • Classificaton Date - 10/9/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from cherty limestone and/or loess derived from sandstone and siltstone and/or residuum weathered from noncalcareous sandstone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/9/1991 (actual site observation date)
  • Air Photo ID: 40795
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • 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

    ochric epipedon

    argillic horizon

    fragipan

    0—8

    8—61

    61—97

    —-

    —-

    —-
    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

    4

    —

    —

    346

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; gravelly silt loam; weak fine granular structure; very friable; 21.0 coarse roots; 30 percent by volume 2-39-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # 92P00321
    Bt1—8 to 25 centimeters (3.1 to 9.8 inches); yellowish brown (10YR 5/8) silty clay loam; weak fine subangular blocky structure; friable; 21.0 fine to coarse roots; 10 percent distinct clay films on all faces of peds; 30 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # 92P00322. discontinuous - phpvsfiid 191099; discontinuous - phpvsfiid 191099
    Bt2—25 to 48 centimeters (9.8 to 18.9 inches); strong brown (7.5YR 4/6) cobbly silty clay loam; weak medium subangular blocky structure; firm; 3.0 fine and medium roots; 30 percent distinct clay films on all faces of peds; 35 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # 92P00323. continuous - phpvsfiid 191100; continuous - phpvsfiid 191100
    2Ex—48 to 61 centimeters (18.9 to 24.0 inches); strong brown (7.5YR 4/6), brownish yellow (10YR 6/6), dry; cobbly silty clay loam; weak fine platy parts to weak fine subangular blocky structure; brittle; 3.0 fine and medium roots; 30 percent distinct clay films on all faces of peds; 40 percent by volume 2-39-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # 92P00324. continuous - phpvsfiid 191101; continuous - phpvsfiid 191101
    2Btx1—61 to 74 centimeters (24.0 to 29.1 inches); dark yellowish brown (10YR 4/6) cobbly silt loam; weak medium subangular blocky structure; brittle; 0.5 fine and medium roots in cracks; 30 percent distinct clay films on all faces of peds; 30 percent by volume 2-39-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # 92P00325. continuous - phpvsfiid 191102; continuous - phpvsfiid 191102
    2Btx2—74 to 97 centimeters (29.1 to 38.2 inches); yellow (10YR 7/6) very cobbly silt loam; moderate medium angular blocky structure; brittle; 0.5 fine roots in cracks; 30 percent distinct clay films on all faces of peds and 30 percent distinct skeletans on rock fragments; 50 percent by volume 2-39-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 92P00326. continuous - phpvsfiid 191103; continuous - phpvsfiid 191104; continuous - phpvsfiid 191103; continuous - phpvsfiid 191104
    3Bt3—97 to 114 centimeters (38.2 to 44.9 inches); red (2.5YR 4/6) silty clay; 3 percent brownish yellow (10YR 6/6) fine distinct mottles; moderate medium angular blocky structure; firm; 10 percent distinct clay films on tops of soil columns; 10 percent by volume 2-39-75 millimeter unspecified fragments; gradual wavy boundary. Lab sample # 92P00327. continuous - phpvsfiid 191105; continuous - phpvsfiid 191105
    3BC—114 to 152 centimeters (44.9 to 59.8 inches); light gray (5Y 7/1) silty clay; 1 percent dark yellowish brown (10YR 4/6) fine prominent mottles; moderate medium angular blocky structure; firm; 10 percent by volume 2-39-75 millimeter unspecified fragments. Lab sample # 92P00328