IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: S2009MO061001
  • User Pedon ID: S2009MO061001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N1024
  • NCSS Pedon Lab Data NASIS Record ID - 24918
  • Print Date: 5/20/2024

    • 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: 39.9449997
  • Std. Longitude: -94.1906128
  • Datum: WGS84
  • Map Unit: 30036—Armstrong loam, 5 to 9 percent slopes
  • State: Missouri
  • County: MO061—Daviess
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO061—Daviess County, Missouri

    • PEDON

  • Describers Name: ms
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Armstrong
  • PSC - 20 to 70 cm.
  • Classificaton Date - 4/13/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Armstrong
  • Classificaton Date - 8/25/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: pedsediment over till
  • Landscape: Ridge on till plain
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/25/2009 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    redox concentrations

    redox depletions with chroma 2 or less

    lithologic discontinuity

    0—20

    20—200

    20—76

    20—200

    42—200

    76—200

    —-

    —-

    —-

    —-

    —-

    —-
    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

    7

    —

    —

    —

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 9 centimeters (0.0 to 3.5 inches); very dark grayish brown (10YR 3/2) rubbed, brown (10YR 5/3) rubbed, dry; loam; 24 percent sand; 25 percent clay; weak fine granular structure; friable; 7.0 very fine roots throughout and 7.0 fine roots throughout; 7.0 very fine irregular and 7.0 fine irregular pores; ; 0 percent by volume 600-775-1000 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 2-3-5 millimeter unspecified fragments; clear smooth boundary. Lab sample # 01; observed in push tube
    A—9 to 20 centimeters (3.5 to 7.9 inches); very dark grayish brown (10YR 3/2) rubbed, brown (10YR 5/3) rubbed, dry; clay loam; 25 percent sand; 30 percent clay; moderate fine subangular blocky structure; friable; 7.0 very fine roots throughout and 7.0 very fine roots throughout; 7.0 very fine irregular and 7.0 fine irregular pores; 1 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 0 percent by volume 2-3-5 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments; abrupt wavy boundary. Lab sample # 02; observed in push tube
    2Bt1—20 to 42 centimeters (7.9 to 16.5 inches); yellowish brown (10YR 5/4) broken face clay; 26 percent sand; 42 percent clay; moderate medium subangular blocky structure; firm; 3.0 very fine roots; 7.0 very fine irregular and 7.0 fine irregular pores; 10 percent faint brown (10YR 5/3), moist, clay films on vertical faces of peds; 10 percent fine prominent irregular noncoherent cemented yellowish red (5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent fine distinct irregular noncoherent cemented grayish brown (10YR 5/2), moist, manganese masses with diffuse boundaries; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 3 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # 03; observed in push tube
    2Bt2—42 to 59 centimeters (16.5 to 23.2 inches); yellowish brown (10YR 5/6) broken face clay; 26 percent sand; 45 percent clay; moderate fine subangular blocky structure; firm; 3.0 very fine roots; 7.0 fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 5 percent fine irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with diffuse boundaries and 10 percent fine irregular noncoherent cemented yellowish red (5YR 5/6), moist, masses of oxidized iron with diffuse boundaries and 10 percent fine irregular noncoherent cemented red (2.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 3 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # 04; observed in push tube
    2Bt3—59 to 76 centimeters (23.2 to 29.9 inches); yellowish brown (10YR 5/6) broken face clay; 27 percent sand; 42 percent clay; moderate medium prismatic parts to strong fine subangular blocky structure; firm; 3.0 very fine roots; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 2 percent fine distinct irregular noncoherent cemented red (2.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries and 2 percent fine faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries and 2 percent fine irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries on surfaces along root channels and 10 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 6 percent by volume 2-3-5 millimeter unspecified fragments; clear wavy boundary. Lab sample # 05; observed in push tube
    3Bt4—76 to 104 centimeters (29.9 to 40.9 inches); yellowish brown (10YR 5/4) broken face clay loam; 28 percent sand; 38 percent clay; weak fine prismatic parts to moderate medium subangular blocky structure; firm; 1.0 very fine roots throughout; 7.0 very fine irregular pores; 10 percent brown (10YR 5/3), moist, clay films; 5 percent fine distinct irregular noncoherent cemented black (N 2/0), moist, manganese masses with clear boundaries on surfaces along root channels and 15 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries and 15 percent fine distinct irregular noncoherent cemented black (N 2/0), moist, iron-manganese masses with clear boundaries infused into matrix along faces of peds; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 6 percent by volume 2-3-5 millimeter unspecified fragments; clear smooth boundary. Lab sample # 06; observed in push tube
    3Bt5—104 to 140 centimeters (40.9 to 55.1 inches); 70 percent brown (10YR 5/3) broken face and 30 percent yellowish brown (10YR 5/4) broken face clay loam; 36 percent sand; 36 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 7.0 very fine irregular pores; 1 percent brown (10YR 5/3) clay films on vertical faces of peds; 5 percent fine distinct irregular noncoherent cemented black (N 2/0), moist, iron-manganese masses with clear boundaries on surfaces along root channels and 15 percent fine distinct irregular noncoherent cemented grayish brown (10YR 5/2), moist, clay depletions with clear boundaries infused into matrix along faces of peds and 15 percent fine faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries; 15 percent fine noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated; 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 7 percent by volume 2-3-5 millimeter unspecified fragments; slight effervescence; clear smooth boundary. Lab sample # 07; observed in push tube
    3Bt6—140 to 164 centimeters (55.1 to 64.6 inches); 70 percent brown (10YR 5/3) broken face and 30 percent yellowish brown (10YR 5/4) broken face clay loam; 36 percent sand; 35 percent clay; strong medium prismatic parts to moderate medium subangular blocky structure; firm; 7.0 very fine irregular pores; 1 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 5 percent fine irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries infused into matrix adjacent to pores and 15 percent fine distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, clay depletions with diffuse boundaries infused into matrix along faces of peds and 15 percent fine irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries and 20 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/8), moist, masses of oxidized iron with diffuse boundaries; 15 percent fine irregular noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated; 0 percent by volume 600-775-1000 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 7 percent by volume 2-3-5 millimeter unspecified fragments; violent effervescence; gradual wavy boundary. Lab sample # 08; observed in push tube
    3Bt7—164 to 200 centimeters (64.6 to 78.7 inches); 50 percent yellowish brown (10YR 5/4) broken face and 50 percent yellowish brown (10YR 5/6) broken face clay loam; 36 percent sand; 34 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; 7.0 very fine irregular pores; 1 percent brown (10YR 5/3), moist, clay films on vertical faces of peds; 15 percent fine prominent irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries infused into matrix along faces of peds and 20 percent fine distinct irregular noncoherent cemented black (N 2/0), moist, manganese masses with diffuse boundaries on surfaces along root channels and 25 percent fine distinct irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with diffuse boundaries between peds; 15 percent fine prominent irregular noncoherent cemented light gray (10YR 7/1), moist, carbonate, finely disseminated with diffuse boundaries; 0 percent by volume 75-140-250 millimeter unspecified fragments and 0 percent by volume 250-400-600 millimeter unspecified fragments and 0 percent by volume 600-775-1000 millimeter unspecified fragments and 0 percent by volume 5-20-75 millimeter unspecified fragments and 7 percent by volume 2-3-5 millimeter unspecified fragments; violent effervescence. Lab sample # 09; observed in push tube