IDENTIFIERS

  • Current Taxon Name (Soil Name): Armstrong
  • OSD
  • Series Extent
  • User Site ID: 1982MO079008
  • User Pedon ID: 1982MO079008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8207908
  • NCSS Pedon Lab Data NASIS Record ID - 31172
  • Print Date: 11/24/2024

    • 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: 40.0069427
  • Std. Longitude: -93.3686142
  • Datum: WGS84
  • Township: T60N
  • Range: R22
  • Section: 21
  • PLSS Details: 1950 feet west and 1500 feet south of the NE corner of sec. 21, T60N R22W
  • Location Description: 1950 feet west and 1500 feet south of the NE corner of sec. 21, T60N, R22W
  • Map Unit: 30036—Armstrong loam, 5 to 9 percent slopes
  • State: Missouri
  • County: MO079—Grundy
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO079—Grundy County, Missouri
  • 7.5 Minute USGS Quad: 40093-A3—Lindley, Missouri

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Armstrong
  • PSC - 20 to 70 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Armstrong
  • Taxonomic Class - Fine, smectitic, mesic Aquertic Hapludalfs
  • PSC - 20 to 70 cm.
  • Classificaton Date - 4/17/2003
  • Soil Taxonomic Edition - twelfth edition
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/17/2003 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; weak fine granular structure; friable; 6.0 very fine and fine roots; fragments; moderately acid, pH 5.8, pH meter; abrupt smooth boundary. Lab sample # MU030745; moist when described;
    E—20 to 28 centimeters (7.9 to 11.0 inches); 85 percent brown (10YR 4/3) and 15 percent very dark grayish brown (10YR 3/2) loam; weak fine granular structure; friable; 6.0 very fine and fine roots; fragments; strongly acid, pH 5.5, pH meter; clear smooth boundary. Lab sample # MU030746; moist when described;
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); dark yellowish brown (10YR 4/4) loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine roots; silt coats on all faces of peds and 30 percent distinct clay films; 10 percent fine prominent masses of oxidized iron; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # MU030747; moist when described;. weak stone line at the base of the horizon;
    2Bt2—41 to 56 centimeters (16.1 to 22.0 inches); brown (7.5YR 4/4) clay loam; moderate fine angular blocky structure; firm; 3.0 very fine and fine roots; 30 percent distinct clay films; 1 percent fine black (10YR 2/1) iron-manganese masses and 1 percent fine black (10YR 2/1) iron-manganese concretions and 10 percent fine prominent red (2.5YR 4/6) masses of oxidized iron and 10 percent fine prominent grayish brown (10YR 5/2) clay depletions; fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary. Lab sample # MU030748; moist when described;. few fine pebbles;
    2Bt3—56 to 89 centimeters (22.0 to 35.0 inches); yellowish brown (10YR 5/6) clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct clay films; 1 percent fine black (10YR 2/1) iron-manganese masses and 1 percent fine black (10YR 2/1) iron-manganese concretions and 10 percent fine distinct brown (10YR 5/3) clay depletions and 10 percent fine distinct red (2.5YR 4/6) masses of oxidized iron; fragments; moderately acid, pH 6.0, pH meter; gradual smooth boundary. Lab sample # MU030749; moist when described;. few fine pebbles;
    2Bt4—89 to 107 centimeters (35.0 to 42.1 inches); strong brown (7.5YR 5/8) clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 10 percent faint clay films; 10 percent fine prominent light brownish gray (2.5Y 6/2) clay depletions and 10 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron and 10 percent fine black (10YR 2/1) iron-manganese masses and 10 percent fine black (10YR 2/1) iron-manganese concretions; fragments; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # MU030750; moist when described;. few fine and medium pebbles;
    2C—107 to 152 centimeters (42.1 to 59.8 inches); strong brown (7.5YR 5/6) clay loam; massive; firm; 10 percent black (10YR 2/1) iron-manganese masses and 10 percent black (10YR 2/1) iron-manganese concretions and 25 percent medium prominent light brownish gray (2.5Y 6/2) clay depletions; fragments; slightly acid, pH 6.5, pH meter. Lab sample # MU030751; moist when described;. few fine and medium pebbles;