IDENTIFIERS

  • Current Taxon Name (Soil Name): Adco
  • OSD
  • Series Extent
  • User Site ID: S1987MO121024
  • User Pedon ID: 1987MO121024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0769
  • NCSS Pedon Lab Data NASIS Record ID - 60064
  • Print Date: 2/17/2025

    • 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: 39.6572227
  • Std. Longitude: -92.4755554
  • Datum: WGS84
  • Township: 56N
  • Range: 14W
  • Section: 16
  • PLSS Details: 2780 feet E and 2930 feet S of the NW corner
  • Location Description: Ross King's property.
  • State: Missouri
  • County: MO121—Macon
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: Michael Chalfant and Felix Ogunshakin
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - Adco
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Mexico
  • Taxonomic Class - Fine, montmorillonitic, mesic Udollic Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1987
  • Moisture Class - udic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or colluvium derived from mixed
  • Landscape: upland
  • Landform: plain
  • Hill Slope Profile: shoulder
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1987 (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

    mollic epipedon

    argillic horizon

    0—23

    30—127

    —-

    —-
    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

    1

    —

    —

    267

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2), gray (10YR 5/1), dry; silt loam; strong fine granular, and moderate very fine granular structure; very friable; 5.5 very fine roots throughout; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04162; moist when described;. many very fine roots throughout
    1A1—13 to 23 centimeters (5.1 to 9.1 inches); very dark grayish brown (10YR 3/2), gray (10YR 5/1), dry; silt loam; 1 percent yellowish brown (10YR 5/6) fine prominent mottles; weak coarse granular, and moderate medium granular structure; very friable; 5.5 very fine roots throughout; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04163; moist when described;. many very fine roots throughout; few fine prominent 10YR56 mottles
    1BE—23 to 30 centimeters (9.1 to 11.8 inches); brown (10YR 4/3) silty clay loam; 1 percent very dark grayish brown (10YR 3/2) and 11 percent dark yellowish brown (10YR 4/6) fine prominent and 11 percent yellowish brown (10YR 5/6) fine prominent mottles; weak coarse granular, and moderate fine granular structure; very friable; 2.5 very fine roots throughout; 15 percent faint , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 87P04164; moist when described;. Upper BE has mixing of A (10YR 3/2) colors.; few clay films surface features on faces of peds; common very fine roots throughout; common fine prominent 10YR46 mottles; common fine prominent 10YR56 mottles; very few to few 10YR32 mottles; discontinuous - phpvsfiid 222424; discontinuous - phpvsfiid 222424
    1Bt1—30 to 40 centimeters (11.8 to 15.7 inches); grayish brown (10YR 5/2) silty clay; 30 percent red (2.5YR 4/6) fine prominent mottles; moderate very fine subangular blocky structure; firm; 2.5 very fine roots throughout; 2 percent distinct , moist, organic stains on faces of peds and 2 percent distinct , moist, organic stains in root channels and/or pores and 55 percent prominent , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 87P04165; moist when described;. The actual notes on organic coats are: v.f.fine organic coats on peds and channels.; many clay films surface features on faces of peds; very few organic coats surface features on faces of peds; very few organic coats surface features in root channels and/or pores; common very fine roots throughout; many fine prominent 2.5YR46 mottles; discontinuous - phpvsfiid 222425; discontinuous - phpvsfiid 222426; discontinuous - phpvsfiid 222427; discontinuous - phpvsfiid 222425; discontinuous - phpvsfiid 222426; discontinuous - phpvsfiid 222427
    1Bt2—40 to 56 centimeters (15.7 to 22.0 inches); dark grayish brown (10YR 4/2) silty clay; 30 percent strong brown (7.5YR 5/8) fine prominent and 30 percent yellowish brown (10YR 5/8) fine prominent mottles; weak fine subangular blocky, and moderate very fine subangular blocky structure; firm; 2.5 very fine roots throughout; 15 percent distinct , moist, pressure faces and 55 percent prominent , moist, clay films on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 87P04166; moist when described;. The field clay estimate was 47% for the series we need at least 50 percent in one subhorizon.; few pressure faces surface features; many clay films surface features on faces of peds; common very fine roots throughout; many fine prominent 7.5YR58 mottles; many fine prominent 10YR58 mottles; continuous - phpvsfiid 222428; continuous - phpvsfiid 222429; continuous - phpvsfiid 222428; continuous - phpvsfiid 222429
    1Bt3—56 to 71 centimeters (22.0 to 28.0 inches); brown (10YR 4/3) interior silty clay; 11 percent dark grayish brown (10YR 4/2) fine faint and 11 percent yellowish brown (10YR 5/4) fine faint mottles; moderate medium prismatic, and strong very fine subangular blocky structure; firm; 2.5 very fine roots throughout; 37 percent prominent , moist, pressure faces throughout and 37 percent prominent , moist, clay films on faces of peds; 1 percent fine iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 87P04167; moist when described;. few fine soft masses of iron-manganese concentrations; common pressure faces surface features throughout; common clay films surface features on faces of peds; common very fine roots throughout; common fine faint 10YR42 mottles; common fine faint 10YR54 mottles; discontinuous - phpvsfiid 222431; continuous - phpvsfiid 222430; discontinuous - phpvsfiid 222431; continuous - phpvsfiid 222430
    1Bt4—71 to 91 centimeters (28.0 to 35.8 inches); grayish brown (10YR 5/2) silty clay loam; 11 percent grayish brown (10YR 5/2) fine prominent and 11 percent dark yellowish brown (10YR 4/6) fine prominent mottles; moderate very fine angular blocky structure; firm; 0.5 very fine roots throughout; 37 percent distinct , moist, clay films on faces of peds; 1 percent fine iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 87P04168; moist when described;. The description for concentration was: few fine soft and hard manganese accumulations.; few fine soft masses of iron-manganese concentrations; common clay films surface features on faces of peds; few very fine roots throughout; common fine prominent 10YR52 mottles; common fine prominent 10YR46 mottles; discontinuous - phpvsfiid 222432; discontinuous - phpvsfiid 222432
    1Bt5—91 to 112 centimeters (35.8 to 44.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 11 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate very fine angular blocky structure; friable; 0.5 very fine roots throughout; 15 percent faint , moist, clay films on faces of peds; 11 percent fine iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 87P04169; moist when described;. The pedon used common fine manganese concretions.; common fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few very fine roots throughout; common fine prominent 7.5YR58 mottles; discontinuous - phpvsfiid 222433; discontinuous - phpvsfiid 222433
    1Bt6—112 to 127 centimeters (44.1 to 50.0 inches); 1 percent grayish brown (2.5Y 5/2) silty clay loam; 11 percent strong brown (7.5YR 5/8) fine prominent and 11 percent strong brown (7.5YR 4/6) fine prominent and 11 percent strong brown (7.5YR 4/6) prominent mottles; weak coarse platy, and weak very fine angular blocky structure; very friable; 0.5 very fine roots throughout; 15 percent faint , moist, clay films on faces of peds; 11 percent fine iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 87P04170; moist when described;. Also very few fine sand grains were noted on ped faces. Matrix color of 2.5Y is out of the range for Mexico series.; common fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few very fine roots throughout; common fine prominent 7.5YR58 mottles; common fine prominent 7.5YR46 mottles; common micro prominent 7.5YR46 mottles; discontinuous - phpvsfiid 222434; discontinuous - phpvsfiid 222434
    2BC—127 to 142 centimeters (50.0 to 55.9 inches); gray (10YR 5/1) clay loam; 11 percent strong brown (7.5YR 4/6) fine prominent and 11 percent strong brown (7.5YR 4/6) medium prominent mottles; weak coarse platy, and weak very fine angular blocky structure; very friable; 0.5 very fine roots throughout; 15 percent faint , moist, clay films on faces of peds; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 87P04171; moist when described;. Very few fine sand grains coat ped faces.; few clay films surface features on faces of peds; few very fine roots throughout; common fine prominent 7.5YR46 mottles; common medium prominent 7.5YR46 mottles; patchy - phpvsfiid 222435; patchy - phpvsfiid 222435
    2C—142 to 173 centimeters (55.9 to 68.1 inches); gray (10YR 6/1) clay loam; 30 percent strong brown (7.5YR 5/6) medium prominent and 30 percent strong brown (7.5YR 5/6) coarse prominent and 30 percent yellowish brown (10YR 5/8) medium prominent mottles; massive; very friable; fragments; neutral, pH 7.0, hellige-truog. Lab sample # 87P04172; moist when described;. At 168 cm the mottles lighten to (10YR 5/8). There are many medium and coarse mottles below 167 cm.; many medium prominent 7.5YR56 mottles; many coarse prominent 7.5YR56 mottles; many medium prominent 10YR58 mottles