IDENTIFIERS

  • Current Taxon Name (Soil Name): Onawa
  • OSD
  • Series Extent
  • User Site ID: S1996IA193028
  • User Pedon ID: S1996IA193028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0032
  • NCSS Pedon Lab Data NASIS Record ID - 68508
  • 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: 42.2329445
  • Std. Longitude: -96.2849731
  • Datum: WGS84
  • Township: 86N
  • Range: 47W
  • Section: 26
  • PLSS Details: 1310 feet east and 1330 feet north of the south west corner
  • State: Iowa
  • County: IA193—Woodbury
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: IA193—Woodbury County, Iowa
  • 7.5 Minute USGS Quad: 42096-B3—Albaton, Iowa

    • PEDON

  • Describers Name: PTC, SRS
  • Current Taxonomic Class: Fine, smectitic, calcareous, mesic Aquertic Udifluvents
  • Current Taxon Kind: taxadjunct
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 28
  • Correlated Information:
  • Soil Name - Onawa
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Onawa
  • Taxonomic Class - Clayey over loamy, montmorillonitic (calcareous),
  • Taxon Kind - series
  • Classificaton Date - 12/18/1996
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: river valley
  • Landform: flood plain
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/18/1996 (actual site observation date)
  • Air Photo ID: 115
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    1

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    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; silty clay; 15 percent gray (2.5Y 6/1) fine and medium distinct and 15 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; moderate very fine subangular blocky structure; firm; 15.0 very fine and fine roots throughout; 15.0 very fine low-continuity constricted tubular pores; 15 percent distinct dark gray (2.5Y 4/1) coats on faces of peds; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 97P00194. patchy - phpvsfiid 182905; patchy - phpvsfiid 182905
    Ap2—10 to 22 centimeters (3.9 to 8.7 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silty clay; moderate very fine subangular blocky structure; firm; 15.0 very fine and fine roots throughout; 15.0 very fine low-continuity constricted tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 97P00195
    A—22 to 43 centimeters (8.7 to 16.9 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; silty clay; 1 percent brown (7.5YR 4/4) fine distinct mottles; massive; firm; 15.0 very fine and fine roots throughout; 25.0 very fine and fine tubular pores; 15 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds and in pores; fragments; slight effervescence; clear smooth boundary. Lab sample # 97P00196. massive, parting along planes of weakness; patchy - phpvsfiid 182906; patchy - phpvsfiid 182906
    Cg1—43 to 61 centimeters (16.9 to 24.0 inches); dark grayish brown (10YR 4/2), grayish brown (2.5Y 5/2), dry; silty clay; massive; firm; 15.0 very fine and fine roots throughout; 25.0 very fine tubular pores; 5 percent fine irregular light gray (10YR 7/2) carbonate masses between peds; fragments; slight effervescence; clear smooth boundary. Lab sample # 97P00197. massive, parting along planes of weakness,
    Cg2—61 to 77 centimeters (24.0 to 30.3 inches); dark grayish brown (2.5Y 4/2) silty clay; 1 percent brown (7.5YR 4/4) fine prominent and 15 percent yellowish brown (10YR 5/6) fine prominent mottles; massive; firm; 15.0 very fine and fine roots throughout; 25.0 very fine tubular and 1.0 fine tubular pores; 15 percent distinct dark gray (2.5Y 4/1) coats on faces of peds; 5 percent fine irregular very dark gray (10YR 3/1) worm casts between peds; fragments; strong effervescence; abrupt smooth boundary. Lab sample # 97P00198. massive, parting along planes of weakness,; patchy - phpvsfiid 182907; patchy - phpvsfiid 182907
    Cg3—77 to 91 centimeters (30.3 to 35.8 inches); dark grayish brown (2.5Y 4/2) silty clay; 15 percent yellowish brown (10YR 5/6) fine prominent mottles; massive; firm; 15.0 very fine and fine roots throughout; 25.0 very fine and fine moderate-continuity tubular pores; 5 percent fine irregular light gray (10YR 7/2) carbonate masses between peds; fragments; strong effervescence; clear smooth boundary. Lab sample # 97P00199. massive, parting along planes of weakness,
    2Cg4—91 to 110 centimeters (35.8 to 43.3 inches); grayish brown (2.5Y 5/2) silt loam; massive; friable; 15.0 very fine and fine roots throughout; 25.0 very fine and fine high-continuity tubular pores; 5 percent fine irregular very dark gray (10YR 3/1) worm casts between peds; fragments; strong effervescence; clear smooth boundary. Lab sample # 97P00200
    2Cg5—110 to 148 centimeters (43.3 to 58.3 inches); grayish brown (2.5Y 5/2) silt loam; 15 percent yellowish brown (10YR 5/4) fine and medium distinct and 15 percent gray (2.5Y 6/1) fine and medium faint mottles; massive; friable; 15.0 very fine roots throughout; 25.0 very fine and fine high-continuity tubular pores; 5 percent fine irregular light gray (10YR 7/2) worm casts between peds; fragments; strong effervescence; clear smooth boundary. Lab sample # 97P00201
    2Cg6—148 to 166 centimeters (58.3 to 65.4 inches); grayish brown (2.5Y 5/2) silt loam; 15 percent gray (2.5Y 6/1) fine and medium faint and 15 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; friable; 25.0 very fine and fine moderate-continuity tubular pores; 5 percent fine irregular light gray (10YR 7/2) carbonate masses between peds; fragments; strong effervescence; clear smooth boundary. Lab sample # 97P00202
    2Cg7—166 to 197 centimeters (65.4 to 77.6 inches); grayish brown (2.5Y 5/2) silt loam; 15 percent gray (2.5Y 6/1) fine and medium faint and 15 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; massive; friable; 25.0 very fine moderate-continuity tubular pores; 5 percent fine irregular light gray (10YR 7/2) carbonate masses between peds; fragments; strong effervescence. Lab sample # 97P00203