IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1991MO057066M
  • User Pedon ID: 1991MO057066
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9105766
  • Print Date: 2/16/2025

    • 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: 37.3199028
  • Std. Longitude: -93.7371222
  • Datum: WGS84
  • Township: T30N
  • Range: R26W
  • Section: 24
  • PLSS Details: 200 feet W and 2300 feet N of the SE corner
  • Location Description: 200 feet west and 2300 feet north of the southeast corner of section 24, T. 30 N., R. 26 W.
  • Map Unit: 73075—Hobson loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO057—Dade County, Missouri

    • PEDON

  • Describers Name: Max Aldrich, Charles Harwood and R. D. Chorice.
  • Current Taxonomic Class: Fine-loamy, siliceous, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hobson
  • PSC - 18 to 51 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxon Kind - series
  • Classificaton Date - 6/27/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from sandstone and/or residuum weathered from sandstone
  • Landscape: plateau
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: moderately well
  • Bedrock: sandstone, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/1991 (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—18

    18—152

    51—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

    5

    —

    —

    329

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (7.5YR 5/4), pink (7.5YR 7/4), dry; silt loam; weak thick platy parts to moderate medium granular structure; very friable; 3.0 fine and medium roots; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU040917
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4) loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 10 percent faint clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU040918
    Bt2—28 to 43 centimeters (11.0 to 16.9 inches); yellowish brown (10YR 5/4) clay loam; moderate medium subangular blocky structure; friable; 3.0 fine and medium roots; 30 percent distinct clay films on faces of peds; 10 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040919
    Bt3—43 to 51 centimeters (16.9 to 20.1 inches); yellowish brown (10YR 5/4) and strong brown (7.5YR 4/6) clay loam; weak medium subangular blocky parts to moderate fine angular blocky structure; friable; 0.5 fine roots; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU040920
    2Btx1—51 to 74 centimeters (20.1 to 29.1 inches); grayish brown (10YR 5/2) clay loam; moderate very coarse prismatic parts to weak medium platy structure; firm; brittle; 30 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040921
    2Bt4—74 to 107 centimeters (29.1 to 42.1 inches); dark red (2.5YR 3/6) and gray (10YR 6/1) and brownish yellow (10YR 6/6) clay loam; moderate medium angular blocky parts to moderate thin platy structure; firm; 60 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040922
    2Bt5—107 to 152 centimeters (42.1 to 59.8 inches); gray (10YR 6/1) and dark red (2.5YR 3/6) and brownish yellow (10YR 6/6) clay loam; moderate medium angular blocky parts to moderate thin platy structure; firm; 60 percent distinct clay films on all faces of peds; fragments; strongly acid, pH 5.4, hellige-truog. Lab sample # MU040923