IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1991MO057068S
  • User Pedon ID: 1991MO057068
  • User Site Association ID: 8840
  • Transect:
  • User Transect ID - PENN
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0048
  • 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: 37.3283348
  • Std. Longitude: -93.8016663
  • Datum: WGS84
  • Township: T30N
  • Range: R26W
  • Section: 21
  • PLSS Details: 400 feet S and 1300 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, siliceous, active, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 68
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxonomic Class - Fine-loamy, siliceous, active, mesic Oxyaquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 56 to 106 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 and/or residuum weathered from noncalcareous shale
  • Landscape: hills
  • Landform: ridge
  • Slope Shape Across: linear
  • 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—18

    41—76

    76—142

    —-

    —-

    —-

    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

    347

    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; cobbly silt loam; moderate fine granular structure; very friable; 3.0 medium and coarse roots; 25 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 92P00302
    E—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; very cobbly silt loam; moderate medium platy structure; very friable; 3.0 fine and medium roots; 35 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 92P00303
    BE1—18 to 41 centimeters (7.1 to 16.1 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 5/6), dry; very cobbly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 50 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # 92P00304
    BE2—41 to 56 centimeters (16.1 to 22.0 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 5/6), dry; extremely cobbly silt loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 60 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # 92P00305
    Bt1—56 to 76 centimeters (22.0 to 29.9 inches); strong brown (7.5YR 4/6) extremely cobbly clay loam; strong medium subangular blocky structure; firm; 0.5 fine roots; 30 percent distinct clay films on all faces of peds; 3 percent coarse platy iron-manganese masses; 65 percent by volume 75-162-250 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # 92P00306. discontinuous - phpvsfiid 191089; discontinuous - phpvsfiid 191089
    2Btx1—76 to 97 centimeters (29.9 to 38.2 inches); dark red (2.5YR 3/6) sandy clay loam; 1 percent brownish yellow (10YR 6/8) fine prominent and 1 percent yellow (10YR 7/6) fine prominent mottles; weak fine subangular blocky structure; brittle; 0.5 fine roots; 30 percent distinct clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 92P00307. continuous - phpvsfiid 191090; continuous - phpvsfiid 191090
    2Btx2—97 to 117 centimeters (38.2 to 46.1 inches); dark red (2.5YR 3/6) loam; 1 percent brownish yellow (10YR 6/8) fine prominent and 1 percent yellow (10YR 7/6) fine prominent mottles; moderate fine angular blocky structure; brittle; 0.5 fine roots; 30 percent distinct clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # 92P00308. continuous - phpvsfiid 191091; continuous - phpvsfiid 191091
    2Btx3—117 to 142 centimeters (46.1 to 55.9 inches); dark red (2.5YR 3/6) clay loam; 1 percent brownish yellow (10YR 6/6) fine prominent and 1 percent brownish yellow (10YR 6/8) fine prominent mottles; moderate fine angular blocky structure; firm; 0.5 fine roots; 30 percent distinct clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.5, hellige-truog; gradual smooth boundary. Lab sample # 92P00309. continuous - phpvsfiid 191092; continuous - phpvsfiid 191092
    3Bt2—142 to 173 centimeters (55.9 to 68.1 inches); very pale brown (10YR 7/3) clay; 3 percent brownish yellow (10YR 6/8) fine and medium prominent and 3 percent dark reddish brown (2.5YR 3/4) fine and medium prominent mottles; moderate medium angular blocky structure; firm; 0.5 fine roots; 10 percent distinct clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; gradual smooth boundary. Lab sample # 92P00310. continuous - phpvsfiid 191093; continuous - phpvsfiid 191093
    3BC—173 to 203 centimeters (68.1 to 79.9 inches); light gray (10YR 7/1) clay; 3 percent brownish yellow (10YR 6/8) fine and medium distinct and 3 percent dark reddish brown (2.5YR 3/4) fine and medium prominent mottles; strong medium angular blocky structure; firm; 0.5 fine roots; fragments; extremely acid, pH 4.3, hellige-truog. Lab sample # 92P00311