IDENTIFIERS

  • Current Taxon Name (Soil Name): Calhoun
  • OSD
  • Series Extent
  • User Site ID: 1990MO207003
  • User Pedon ID: 1990MO207003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9020703
  • NCSS Pedon Lab Data NASIS Record ID - 30831
  • Print Date: 11/11/2024

    • 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: 36.8996391
  • Std. Longitude: -90.2332230
  • Datum: WGS84
  • Map Unit: 82060—Calhoun silt loam, 0 to 1 percent slopes
  • State: Missouri
  • County: MO207—Stoddard
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO207—Stoddard County, Missouri
  • 7.5 Minute USGS Quad: 36090-H2—Puxico, Missouri

    • PEDON

  • Describers Name: B.L. Brown
  • Current Taxonomic Class: Fine-silty, mixed, active, thermic Typic Glossaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Calhoun
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/4/2011
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Calhoun
  • Classificaton Date - 6/19/1990
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty alluvium
  • Landscape: alluvial plain
  • Landform: flood plain
  • Runoff: negligible
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    albic horizon

    glossic horizon

    argillic horizon

    0—15

    15—30

    30—61

    30—112

    —-

    —-

    —-

    —-
    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

    0.5

    —

    —

    103.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 5/3), white (10YR 8/1) and very pale brown (10YR 7/3) and light gray (10YR 7/1), dry; silt loam; weak fine granular structure; hard, friable; 3.0 very fine and fine roots; 3.0 very fine tubular pores; 1 percent fine spherical iron-manganese nodules and 1 percent fine distinct strong brown (7.5YR 5/8) iron-manganese masses; fragments; strongly acid, pH 5.4, pH meter; abrupt smooth boundary. Lab sample # MU039558
    E—15 to 30 centimeters (5.9 to 11.8 inches); light gray (10YR 7/1), white (10YR 8/1), dry; silt loam; massive; slightly hard, friable; 0.5 fine roots; 7.0 very fine high-continuity pores; 7 percent medium distinct strong brown (7.5YR 5/6) and strong brown (7.5YR 5/8) iron-manganese masses; fragments; strongly acid, pH 5.3, pH meter; clear wavy boundary. Lab sample # MU039559
    Btg1—30 to 61 centimeters (11.8 to 24.0 inches); light brownish gray (10YR 6/2), white (10YR 8/1), dry; silt loam; moderate medium angular blocky, and moderate fine angular blocky structure; hard, friable; 3.0 medium roots and 3.0 fine roots; 3.0 very fine high-continuity pores; 7 percent grayish brown (10YR 5/2) clay films on vertical faces of peds; 1 percent fine spherical iron-manganese concretions and 25 percent coarse distinct strong brown (7.5YR 5/6) iron-manganese masses; fragments; very strongly acid, pH 5.0, pH meter; gradual boundary. Lab sample # MU039560. patchy - phpvsfiid 331086; patchy - phpvsfiid 331086
    Btg2—61 to 86 centimeters (24.0 to 33.9 inches); light brownish gray (10YR 6/2), white (10YR 8/1), dry; silty clay loam; moderate fine angular blocky, and moderate medium angular blocky structure; hard, friable; 0.5 medium roots and 0.5 fine roots; 3.0 very fine high-continuity pores; 7 percent coarse spherical iron-manganese nodules and 7 percent medium spherical iron-manganese nodules and 7 percent medium irregular iron-manganese nodules and 7 percent coarse irregular iron-manganese nodules and 7 percent medium distinct yellowish brown (10YR 5/6) iron-manganese masses; fragments; very strongly acid, pH 4.7, pH meter. Lab sample # MU039561
    Btg3—86 to 112 centimeters (33.9 to 44.1 inches); light brownish gray (10YR 6/2) and white (10YR 8/1), light gray (10YR 7/2) and white (10YR 8/1), dry; silty clay loam; moderate fine angular blocky, and moderate medium angular blocky structure; hard, friable; 0.5 medium roots and 0.5 fine roots; 3.0 very fine high-continuity pores; 7 percent coarse spherical iron-manganese nodules and 7 percent medium spherical iron-manganese nodules and 7 percent medium irregular iron-manganese nodules and 7 percent coarse irregular iron-manganese nodules and 7 percent medium distinct very pale brown (10YR 7/4) and grayish brown (10YR 5/2) iron depletions; fragments; strongly acid, pH 5.1, pH meter; clear irregular boundary. Lab sample # MU039562
    Cg—112 to 152 centimeters (44.1 to 59.8 inches); light brownish gray (10YR 6/2) and yellowish brown (10YR 5/4), very pale brown (10YR 7/3) and very pale brown (10YR 8/2), dry; silt loam; weak very fine and fine angular blocky structure; hard, friable; 3.0 very fine high-continuity pores; 1 percent medium irregular iron-manganese masses and 1 percent fine spherical iron-manganese nodules and 7 percent fine dark yellowish brown (10YR 3/6) and dark brown (10YR 3/3) manganese masses; fragments; moderately acid, pH 5.7, pH meter. Lab sample # MU039563