IDENTIFIERS

  • Current Taxon Name (Soil Name): Calhoun
  • OSD
  • Series Extent
  • User Site ID: 2003MO207021
  • User Pedon ID: 2003MO207021
  • Vegetation Plot ID: 2003MO207021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0320718
  • NCSS Pedon Lab Data NASIS Record ID - 31061
  • Print Date: 6/1/2024

    • 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: 36.8323402
  • Std. Longitude: -90.0476379
  • Datum: WGS84
  • Location Description: Dudley Quad
  • Map Unit: 69—Falaya silt loam, occasionally flooded86002—Falaya silt loam, 0 to 1 percent slopes, occasionally flooded
  • 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-G1—Dudley, Missouri

    • PEDON

  • Describers Name: RT, BB
  • Current Taxonomic Class: Fine-silty, mixed, active, thermic Typic Epiaqualfs
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Correlated Information:
  • Soil Name - Calhoun
  • PSC - 84 to 134 cm.
  • Classificaton Date - 3/2/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Amagon
  • Classificaton Date - 9/23/2003
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty alluvium
  • Landscape: lowland
  • Landform: terrace
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/23/2003 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

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    —

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—38

    56—84

    84—203

    —-

    —-

    —-
    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

    —

    —

    104.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap1—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3), light gray (10YR 7/2), dry; silt; moderate thin platy, and moderate medium platy structure; friable; 10.0 very fine and fine roots; 3.0 very fine vesicular pores; fragments; neutral, pH 6.8, pH meter; abrupt smooth boundary. Lab sample # MU025532
    Ap2—20 to 38 centimeters (7.9 to 15.0 inches); brown (10YR 4/3) silt; moderate medium platy structure; friable; 0.5 very fine roots; 3.0 very fine vesicular pores; 3 percent fine and medium prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron and 3 percent fine faint grayish brown (10YR 5/2), moist, iron depletions; fragments; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # MU025533
    B—38 to 56 centimeters (15.0 to 22.0 inches); 60 percent grayish brown (10YR 5/2) and 40 percent light brownish gray (2.5Y 6/2) silt; weak medium platy structure; friable; 0.5 very fine roots; 3.0 very fine vesicular pores; 5 percent fine and medium prominent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron; fragments; moderately acid, pH 5.8, pH meter; clear smooth boundary. Lab sample # MU025534
    Eg—56 to 84 centimeters (22.0 to 33.1 inches); grayish brown (10YR 5/2) silt loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine vesicular pores; 10 percent fine and medium prominent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.9, pH meter; gradual smooth boundary. Lab sample # MU025535
    Btg1—84 to 109 centimeters (33.1 to 42.9 inches); light brownish gray (10YR 6/2) silt loam; weak medium prismatic parts to moderate fine and medium subangular blocky structure; firm; 7.0 very fine vesicular pores; 5 percent dark gray (10YR 4/1), moist, clay films and 10 percent white (10YR 8/1), dry, silt coats; 1 percent fine and medium prominent black (10YR 2/1), moist, manganese nodules and 7 percent fine and medium prominent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.7, pH meter; gradual smooth boundary. Lab sample # MU025536
    Btg2—109 to 157 centimeters (42.9 to 61.8 inches); grayish brown (10YR 5/2) silt loam; moderate medium subangular blocky parts to weak fine and medium subangular blocky structure; firm; 3.0 very fine vesicular pores; 2 percent white (10YR 8/1), dry, silt coats and 5 percent dark gray (10YR 4/1), moist, clay films; 3 percent fine distinct black (10YR 2/1), moist, manganese masses and 10 percent fine and medium distinct dark yellowish brown (10YR 3/4), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.8, pH meter; gradual smooth boundary. Lab sample # MU025537
    Btg3—157 to 180 centimeters (61.8 to 70.9 inches); grayish brown (10YR 5/2) silty clay loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; firm; 3.0 very fine vesicular pores; 2 percent white (10YR 8/1), dry, silt coats and 10 percent dark gray (10YR 4/1), moist, clay films; 2 percent fine and medium prominent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron and 2 percent fine distinct black (10YR 2/1), moist, manganese masses; fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary. Lab sample # MU025538
    Btg4—180 to 203 centimeters (70.9 to 79.9 inches); grayish brown (10YR 5/2) silty clay loam; weak coarse prismatic parts to moderate fine and medium subangular blocky structure; firm; 3.0 very fine vesicular pores; 5 percent dark gray (10YR 4/1), moist, clay films and 15 percent white (10YR 8/1), dry, silt coats; 3 percent fine prominent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron; fragments; strongly acid, pH 5.1, pH meter. Lab sample # MU025539