IDENTIFIERS

  • Current Taxon Name (Soil Name): Darwin
  • OSD
  • Series Extent
  • User Site ID: 1990MO019064
  • User Pedon ID: 1990MO019064
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9001964
  • NCSS Pedon Lab Data NASIS Record ID - 26625
  • 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: 38.6812366
  • Std. Longitude: -92.3098366
  • Datum: WGS84
  • Range: R13W
  • Section: 17
  • Location Description: 2500 feet east and 1600 feet north of SW cor. sec. 17, T.45 N., R. 13W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: F.J. Young
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Darwin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/11/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landform: flood plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: occasional flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/11/1990 (actual site observation date)
  • Air Photo ID: 50
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    cambic horizon

    0—25

    25—165

    —-

    —-
    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

    —

    —

    —

    —

    914

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (2.5Y 3/2), dark grayish brown (10YR 4/2), dry; silty clay loam; weak very fine granular, and weak very fine subangular blocky structure; friable; fragments; neutral, pH 6.7, hellige-truog; clear smooth boundary. Lab sample # MU010806. (Note: The granular structure is on the surface and in the lower part of the horizon.)
    Bg1—25 to 56 centimeters (9.8 to 22.0 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate very fine subangular blocky structure; firm; 15 percent fine olive brown (2.5Y 4/3) masses of oxidized iron; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # MU010807
    Bg2—56 to 76 centimeters (22.0 to 29.9 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate very fine subangular blocky structure; firm; 15 percent fine olive brown (2.5Y 4/3) masses of oxidized iron; fragments; slightly alkaline, pH 7.4, hellige-truog; gradual smooth boundary. Lab sample # MU010808
    Bg3—76 to 114 centimeters (29.9 to 44.9 inches); grayish brown (10YR 5/2) clay; strong fine and medium subangular blocky structure; firm; yellowish brown (10YR 5/4) masses of oxidized iron; 60 percent fine brown (10YR 5/3); fragments; slightly alkaline, pH 7.6, hellige-truog; gradual smooth boundary. Lab sample # MU010809
    Bg4—114 to 165 centimeters (44.9 to 65.0 inches); gray (10YR 5/1) silty clay; strong medium subangular blocky structure; firm; 15 percent fine reddish brown (5YR 4/4) masses of oxidized iron; 15 percent fine yellowish brown (10YR 5/6); fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # MU010810