IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 1987MO001005
  • User Pedon ID: 1987MO001005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8700105
  • NCSS Pedon Lab Data NASIS Record ID - 25191
  • Print Date: 11/12/2024

    • 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: 40.3397475
  • Std. Longitude: -92.1926661
  • Datum: WGS84
  • Township: T64N
  • Range: R15W
  • Section: 23
  • Location Description: 50 feet east and 1700 feet southfrom the northwest corner of section 23, T 64N R 15W
  • State: Missouri
  • County: MO001—Adair
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: Lee and Remley
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Armstrong
  • Classificaton Date - 9/8/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: till
  • Landscape: upland
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/8/1987 (actual site observation date)
  • Air Photo ID: 3
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    0—13

    13—119

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    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

    8

    —

    —

    287

    —

    130

    —

    —

    —

    —

    —

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; loam; weak fine granular structure; friable; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU000448. (1 percent fine gravel)
    Bt1—15 to 28 centimeters (5.9 to 11.0 inches); brown (7.5YR 4/4) clay; red (2.5YR 4/6) fine prominent mottles; weak fine subangular blocky structure; firm; distinct red (2.5YR 4/6) clay films on faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU000449. (1 percent fine gravel)
    2Bt2—28 to 41 centimeters (11.0 to 16.1 inches); yellowish brown (10YR 5/4) clay; grayish brown (10YR 5/2) fine distinct and red (2.5YR 4/6) medium prominent mottles; weak medium angular blocky structure; firm; distinct grayish brown (10YR 5/2) clay films on faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU000450. (1 percent fine gravel); continuous - phpvsfiid 54368; continuous - phpvsfiid 54368
    2Bt3—41 to 69 centimeters (16.1 to 27.2 inches); dark yellowish brown (10YR 4/4) clay loam; red (2.5YR 4/6) fine prominent and light brownish gray (10YR 6/2) fine distinct and strong brown (7.5YR 5/6) fine prominent mottles; moderate medium angular blocky structure; very firm; distinct red (2.5YR 4/6) clay films on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # MU000451. (1 percent fine gravel); continuous - phpvsfiid 54369; continuous - phpvsfiid 54369
    2Bt41—69 to 94 centimeters (27.2 to 37.0 inches); yellowish brown (10YR 5/6) clay loam; gray (10YR 6/1) medium prominent and dark yellowish brown (10YR 4/4) medium distinct mottles; weak medium subangular blocky structure; very firm; distinct yellowish brown (10YR 5/6) clay films on faces of peds; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # MU000452. (1 percent fine gravel. PH of 7.0 changed to 6.5 slightly acid for series.); continuous - phpvsfiid 54536; continuous - phpvsfiid 54536
    2Bt42—94 to 119 centimeters (37.0 to 46.9 inches); fragments. Lab sample # MU000453
    2BC—119 to 152 centimeters (46.9 to 59.8 inches); dark yellowish brown (10YR 4/4) loam; gray (10YR 6/1) fine distinct and yellowish brown (10YR 5/6) fine distinct mottles; weak medium subangular blocky structure; firm; prominent black stains; fragments; neutral, pH 7.3, hellige-truog. Lab sample # MU000454. (1 percent fine gravel. Used clay loam in the series write-up.) Note: From the lab data it looks like there may not be a 2Bt after all. This soil is probably till to the surface.; continuous - phpvsfiid 54537; continuous - phpvsfiid 54537