IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO179026M
  • User Pedon ID: 1996MO179026M
  • User Site Association ID: 8638
  • Transect:
  • User Transect ID - reynolds-80D1
  • Transect Stop Number - 8
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617926
  • NCSS Pedon Lab Data NASIS Record ID - 28113
  • Print Date: 5/19/2024

    • 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: 37.5688583
  • Std. Longitude: -91.1336028
  • Datum: WGS84
  • Township: T33N
  • Range: R2W
  • Section: 11
  • PLSS Details: 1000 feet E and 1600 feet S of the NW corner
  • Map Unit: 80D—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony73139—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37091-E2—Greeley, Missouri

    • PEDON

  • Describers Name: LT,BM,MS
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • 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 - Poynor
  • PSC - 20 to 100 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 20 to 100 cm.
  • Classificaton Date - 6/18/1996
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 28.6 percent of Percent clay in the control section and 55.5 percent of Percent clay in the control section and 38 Percent rock fragments in the control section (vol) and 29.6 Percent rock fragments in the control section (vol) and 0 Percent fine sand to 3 IN. in the control section (wt) and 23 Strongly contrasting textural stratification (depth in inches) and 26 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/18/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    mollic epipedon

    argillic horizon

    strongly contrasting particle size class

    0—8

    20—152

    58—

    —-

    —-

    —-
    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

    10

    —

    —

    414.5

    —

    200

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) gravelly silt loam; weak fine granular structure; very friable; 7.0 fine and medium roots; 7.0 medium interstitial and tubular pores; 30 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.3, pH meter; clear smooth boundary. Lab sample # MU020998
    E—8 to 20 centimeters (3.1 to 7.9 inches); very pale brown (10YR 7/4) very gravelly silt loam; weak fine subangular blocky structure; very friable; 3.0 medium and coarse roots and 7.0 fine roots; 7.0 fine and medium tubular pores; 35 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, pH meter; clear wavy boundary. Lab sample # MU020999
    Bt1—20 to 41 centimeters (7.9 to 16.1 inches); light brown (7.5YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent prominent brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent prominent strong brown (7.5YR 5/6), moist, clay films on faces of peds and 75 percent faint light reddish brown (2.5YR 7/4), moist, silt coats on faces of peds; 45 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, pH meter; clear smooth boundary. Lab sample # MU021000
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine and medium tubular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on faces of peds and 75 percent prominent pink (7.5YR 7/4), moist, silt coats on faces of peds; 30 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary. Lab sample # MU021001
    2Bt3—58 to 76 centimeters (22.8 to 29.9 inches); 97 percent reddish brown (2.5YR 4/4) and 3 percent reddish yellow (7.5YR 6/8) very gravelly clay; weak fine subangular blocky structure; firm; 0.9 fine roots; 7.0 fine tubular pores; 15 percent prominent pinkish gray (7.5YR 6/2), moist, clay films on faces of peds and 15 percent prominent pinkish gray (7.5YR 7/2), moist, silt coats on faces of peds and 35 percent faint dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and 75 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 30 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, pH meter; clear smooth boundary. Lab sample # MU021002
    2Bt4—76 to 94 centimeters (29.9 to 37.0 inches); red (2.5YR 4/8) clay; weak fine subangular blocky structure; firm; 0.1 fine roots; 0.9 medium and coarse tubular and 3.0 fine tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 2 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, pH meter; clear smooth boundary. Lab sample # MU021003
    2Bt5—94 to 117 centimeters (37.0 to 46.1 inches); 95 percent reddish brown (2.5YR 4/4) and 5 percent reddish yellow (7.5YR 6/8) extremely gravelly clay; weak fine subangular blocky structure; very firm; 0.1 fine roots; 0.9 medium and coarse tubular and 7.0 fine tubular pores; 15 percent distinct brown (7.5YR 5/3), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 75 percent faint dark reddish brown (2.5YR 3/4), moist, clay films on rock fragments; 70 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, pH meter; clear smooth boundary. Lab sample # MU021004
    2Bt6—117 to 152 centimeters (46.1 to 59.8 inches); 80 percent reddish brown (2.5YR 4/4) and 20 percent reddish yellow (7.5YR 6/8) clay; weak fine subangular blocky parts to weak fine angular blocky structure; very firm; 0.1 fine roots; 7.0 fine tubular pores; 15 percent prominent brown (7.5YR 4/3), moist, clay films on faces of peds and 15 percent prominent pinkish gray (7.5YR 7/2), moist, clay films on faces of peds and 35 percent faint reddish brown (2.5YR 4/4), moist, clay films on faces of peds and 75 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds; 3 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 10 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, pH meter. Lab sample # MU021005