IDENTIFIERS

  • Current Taxon Name (Soil Name): Medoc
  • OSD
  • Series Extent
  • User Site ID: 1992MO097005
  • User Pedon ID: 1992MO097005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9209705
  • NCSS Pedon Lab Data NASIS Record ID - 27336
  • 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: 37.3061111
  • Std. Longitude: -94.6044444
  • Datum: WGS84
  • Township: T30N
  • Range: R34W
  • Section: 31
  • PLSS Details: 100 feet N 2700 feet W of the SE corner
  • Location Description: SE1/4 SE1/4 SW1/4 SEC 31 T30N R34W (100 ft. North 2700 ft. West from SE corner Sec31)
  • Map Unit: 40018—Medoc silt loam, 0 to 1 percent slopes
  • State: Missouri
  • County: MO097—Jasper
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: MO097—Jasper County, Missouri
  • PEDON

  • Describers Name: Alan Peer, Kevin Hess
  • Current Taxonomic Class: Fine, mixed, thermic Aeric Albaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Medoc
  • PSC - 38 to 89 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Medoc
  • Classificaton Date - 5/27/1992
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or alluvium
  • Landscape: plains
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/27/1992 (actual site observation date)
  • Air Photo ID: 6
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind and water erosion
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    E

    2Btg1

    2Bt2

    2Bt3

    3Btg4

    4Btg5

    4Btg6

    0

    20

    38

    56

    66

    86

    102

    147

    5.4

    5.6

    5.2

    5.2

    4.8

    5.2

    5.6

    5.8

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    E

    2Btg1

    2Bt2

    2Bt3

    3Btg4

    4Btg5

    4Btg6

    0

    20

    38

    56

    66

    86

    102

    147

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    E

    2Btg1

    2Bt2

    2Bt3

    3Btg4

    4Btg5

    4Btg6

    0

    20

    38

    56

    66

    86

    102

    147

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    38 -

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

    ochric epipedon

    albic horizon

    argillic horizon

    abrupt textural change

    argillic horizon

    abrupt textural change

    0—20

    20—38

    38—203

    38—0

    38—

    38—

    —-

    —-

    —-

    —-

    —-

    —-

    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

    277

    45

    991

    A—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) interior, gray (10YR 6/1) interior, dry; silt loam; moderate fine and medium subangular blocky structure; very friable; 10.0 fine roots throughout; 2.0 very fine and fine high-continuity tubular pores; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU015772; moist when described;
    E—20 to 38 centimeters (7.9 to 15.0 inches); light brownish gray (10YR 6/2) interior silt loam; moderate medium subangular blocky structure; very friable; 2.0 fine roots throughout; 3.0 very fine and fine high-continuity tubular pores; 3 percent fine irregular yellowish brown (10YR 5/6) masses of oxidized iron between peds and 5 percent fine irregular brown (10YR 4/3) masses of oxidized iron between peds; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU015773; moist when described;
    2Btg1—38 to 56 centimeters (15.0 to 22.0 inches); dark gray (10YR 4/1) interior silty clay; moderate coarse prismatic parts to moderate fine subangular blocky structure; very firm, very sticky, very plastic; 0.2 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 80 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 10 percent medium irregular red (2.5YR 4/8) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU015774; moist when described;. discontinuous - phpvsfiid 152243; discontinuous - phpvsfiid 152243
    2Bt2—56 to 66 centimeters (22.0 to 26.0 inches); brown (10YR 4/3) interior clay; moderate coarse prismatic parts to moderate fine subangular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 30 percent distinct gray (10YR 5/1), moist, clay films on all faces of peds and 50 percent prominent brown (10YR 4/3), moist, clay films on faces of peds; 5 percent fine irregular yellowish brown (10YR 5/8) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU015775; moist when described;. continuous - phpvsfiid 152245; discontinuous - phpvsfiid 152244; continuous - phpvsfiid 152245; discontinuous - phpvsfiid 152244
    2Bt3—66 to 86 centimeters (26.0 to 33.9 inches); brown (10YR 4/3) interior silty clay; moderate coarse prismatic parts to weak coarse subangular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 80 percent faint brown (10YR 4/3), moist, clay films on all faces of peds; 5 percent fine irregular yellowish red (5YR 4/6) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU015776; moist when described;. discontinuous - phpvsfiid 152246; discontinuous - phpvsfiid 152246
    3Btg4—86 to 102 centimeters (33.9 to 40.2 inches); gray (10YR 6/1) interior silty clay; moderate coarse prismatic parts to strong fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 70 percent distinct gray (10YR 5/1), moist, clay films on vertical faces of peds; 10 percent medium irregular strong brown (7.5YR 5/6) masses of oxidized iron between peds and 12 percent fine irregular light yellowish brown (10YR 6/4) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU015777; moist when described;. patchy - phpvsfiid 152247; patchy - phpvsfiid 152247
    4Btg5—102 to 147 centimeters (40.2 to 57.9 inches); gray (10YR 6/1) interior silty clay loam; moderate coarse prismatic parts to strong fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 50 percent distinct gray (10YR 6/1), moist, clay films on horizontal faces of peds; 3 percent fine irregular black (N 2/0) iron-manganese concretions between peds and 5 percent fine irregular strong brown (7.5YR 4/6) masses of oxidized iron between peds and 7 percent fine irregular brownish yellow (10YR 6/6) masses of oxidized iron between peds; fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU015779, MU015778; moist when described;. patchy - phpvsfiid 152248; patchy - phpvsfiid 152248
    4Btg6—147 to 203 centimeters (57.9 to 79.9 inches); gray (10YR 6/1) interior silty clay loam; moderate medium prismatic parts to strong fine subangular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine low-continuity tubular pores; 40 percent faint gray (10YR 6/1), moist, clay films on horizontal faces of peds; 5 percent fine irregular brownish yellow (10YR 6/6) masses of oxidized iron between peds and 5 percent fine irregular black (N 2/0) iron-manganese masses between peds and 15 percent fine irregular strong brown (7.5YR 4/6) masses of oxidized iron between peds; fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU015782, MU015780, MU015781; moist when described;. patchy - phpvsfiid 152249; patchy - phpvsfiid 152249