IDENTIFIERS

  • Current Taxon Name (Soil Name): MARSHALL
  • OSD
  • Series Extent
  • User Site ID: S1963IA029001
  • User Pedon ID: S1963IA029001
  • Vegetation Plot ID: S1963IA029001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1492
  • NCSS Pedon Lab Data NASIS Record ID - 35100
  • Print Date: 2/2/2025

    • 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: 41.4233322
  • Std. Longitude: -95.0861130
  • Datum: WGS84
  • Township: 77N
  • Range: 37W
  • Section: 34
  • PLSS Details: 642 feet S of road center and 719 feet E of the NW corner of the NW 1/4, SE 1/4
  • Location Description: approximately 3 miles NW of Atlantic, IA.
  • State: Iowa
  • County: IA029—Cass
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: IA029—Cass County, Iowa

    • PEDON

  • Describers Name: R.I. Dideriksen and W.M. Jury
  • Current Taxonomic Class: Fine-silty, mixed, mesic Typic Hapludolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - MARSHALL
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Marshall
  • Classificaton Date - 10/1/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1963 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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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

    1

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    235

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and black (10YR 2/1) rubbed and very dark brown (10YR 2/2) rubbed, dark gray (10YR 4/1), dry; silty clay loam; weak medium subangular blocky parts to weak fine granular structure; friable; fragments; moderately acid, pH 5.6, unspecified; abrupt smooth boundary. Lab sample # 40A11641. common fine and medium root channels; weak plow sole at 6-7 inches.
    A12—18 to 40 centimeters (7.1 to 15.7 inches); black (10YR 2/1) and black (10YR 2/1) rubbed and very dark brown (10YR 2/2) rubbed, dark gray (10YR 4/1), dry; silty clay loam; weak fine subangular blocky, and moderate fine granular structure; friable; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 40A11642. common fine and medium root channels.
    A3—40 to 58 centimeters (15.7 to 22.8 inches); very dark brown (10YR 2/2) and very dark grayish brown (10YR 3/2) and very dark grayish brown (10YR 3/2) rubbed, dark gray (10YR 4/1) and dark grayish brown (10YR 4/2), dry; silty clay loam; weak fine subangular blocky structure; friable; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # 40A11643. few fine and medium root channels; few moisture films on some peds.
    B21—58 to 70 centimeters (22.8 to 27.6 inches); brown (10YR 4/3) and brown (10YR 4/3) rubbed and very dark grayish brown (10YR 3/2) rubbed, pale brown (10YR 6/3) and light brownish gray (10YR 6/2), dry; silty clay loam; weak and moderate fine subangular blocky structure; friable; 3.0 fine and medium tubular pores; 3 percent faint clay films on faces of peds and 3 percent dark brown (10YR 3/3) oxide coats; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # 40A11644. common 1/8 inch root fills of black material from above.; discontinuous - phpvsfiid 175009; discontinuous - phpvsfiid 175009
    B22—70 to 90 centimeters (27.6 to 35.4 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) rubbed silty clay loam; weak medium prismatic parts to moderate fine subangular blocky structure; friable; 0.5 fine and medium tubular pores; 3 percent dark brown (10YR 3/3) oxide coats and 15 percent faint clay films on faces of peds; fragments; moderately acid, pH 6.0, unspecified; gradual smooth boundary. Lab sample # 40A11645. few black (10YR 2/1) root fills from above horizons.; discontinuous - phpvsfiid 191580; discontinuous - phpvsfiid 191580
    B23—90 to 113 centimeters (35.4 to 44.5 inches); yellowish brown (10YR 5/4) silty clay loam; 5 percent grayish brown (2.5Y 5/2) fine mottles; weak medium prismatic parts to weak and moderate medium subangular blocky structure; friable; 3.0 fine tubular pores; 3 percent faint clay films on vertical faces of peds and 15 percent dark brown (10YR 3/3) oxide coats and 15 percent yellowish brown (10YR 5/6) oxide coats; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # 40A11646. discontinuous - phpvsfiid 191581; discontinuous - phpvsfiid 191581
    B31—113 to 133 centimeters (44.5 to 52.4 inches); yellowish brown (10YR 5/4) and grayish brown (2.5Y 5/2) and olive gray (5Y 5/2) silty clay loam, silt loam; 25 percent brown (7.5YR 4/4) fine and 25 percent yellowish brown (10YR 5/6) fine mottles; weak medium prismatic parts to weak medium and coarse subangular blocky structure; friable; 3.0 fine tubular pores; 3 percent faint clay films on vertical faces of peds and 15 percent faint silt coats and 37 percent dark brown (10YR 3/3) oxide coats; fragments; slightly acid, pH 6.4, unspecified; diffuse smooth boundary. Lab sample # 40A11647. discontinuous - phpvsfiid 191585; discontinuous - phpvsfiid 191585
    B32—133 to 153 centimeters (52.4 to 60.2 inches); yellowish brown (10YR 5/4) and grayish brown (2.5Y 5/2) and olive gray (5Y 5/2) silt loam; 25 percent brown (7.5YR 4/4) fine and 25 percent yellowish brown (10YR 5/6) fine mottles; friable; 3.0 fine tubular pores; 15 percent faint silt coats on faces of peds and 37 percent dark brown (10YR 3/3) oxide coats; fragments; neutral, pH 6.8, unspecified; diffuse smooth boundary. Lab sample # 40A11648. colors same as above but with a slight decrease in the brown (7.5YR 4/4) mottles; some vertical cleavage.
    C1—153 to 183 centimeters (60.2 to 72.0 inches); dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) and grayish brown (2.5Y 5/2) silt loam; massive; 3.0 fine tubular pores; 37 percent dark brown (10YR 3/3) oxide coats; fragments; neutral, pH 6.8, unspecified. Lab sample # 40A11649