IDENTIFIERS

  • Current Taxon Name (Soil Name): Nira
  • OSD
  • Series Extent
  • User Site ID: S1995IA107002
  • User Pedon ID: S1995IA107002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0467
  • NCSS Pedon Lab Data NASIS Record ID - 67485
  • Print Date: 11/23/2024

    • 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: 41.4383316
  • Std. Longitude: -91.9894409
  • Datum: WGS84
  • Township: 77N
  • Range: 10W
  • Section: 34
  • PLSS Details: 240 feet south and 1340 feet west of the northeast corner
  • Country: US—United States
  • State: Iowa
  • County: IA107—Keokuk
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA107—Keokuk County, Iowa
  • 7.5 Minute USGS Quad: 41091-D8—Kinross, Iowa

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, mesic Typic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Nira
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/30/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Nira
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Hapludoll
  • Taxon Kind - series
  • Classificaton Date - 12/7/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/7/1994 (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
    • 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

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    —

    —

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    45

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (10YR 2/2), gray (10YR 5/1), dry; silty clay loam; 3 percent sand; 34 percent clay; weak very fine and fine subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # 95P03496
    A—18 to 28 centimeters (7.1 to 11.0 inches); very dark brown (10YR 2/2), gray (10YR 5/1), dry; silty clay loam; 3 percent sand; 35 percent clay; weak fine subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03497
    Bw1—28 to 41 centimeters (11.0 to 16.1 inches); brown (10YR 4/3) silty clay loam; 3 percent sand; 37 percent clay; 3 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate fine subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct clay films on faces of peds and 75 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03498
    Bw2—41 to 51 centimeters (16.1 to 20.1 inches); brown (10YR 4/3) silty clay loam; 3 percent sand; 37 percent clay; 21 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct clay films on faces of peds and 30 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03499
    Bw3—51 to 64 centimeters (20.1 to 25.2 inches); olive gray (5Y 5/2) silty clay loam; 3 percent sand; 37 percent clay; 1 percent strong brown (7.5YR 5/8) fine prominent and 1 percent yellowish red (5YR 4/6) fine prominent and 21 percent yellowish brown (10YR 5/4) fine prominent mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 10 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03500
    Bw4—64 to 76 centimeters (25.2 to 29.9 inches); olive gray (5Y 5/2) silty clay loam; 3 percent sand; 36 percent clay; 1 percent strong brown (7.5YR 5/8) fine prominent and 3 percent yellowish brown (10YR 5/4) fine prominent mottles; weak medium prismatic parts to moderate medium subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 95P03501
    Bw5—76 to 102 centimeters (29.9 to 40.2 inches); olive gray (5Y 5/2) silty clay loam; 3 percent sand; 35 percent clay; 3 percent yellowish brown (10YR 5/4) fine prominent and 3 percent strong brown (7.5YR 5/8) fine and medium prominent mottles; weak coarse prismatic parts to weak medium and coarse subangular blocky structure; friable; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 95P03502
    C1—102 to 142 centimeters (40.2 to 55.9 inches); light olive gray (5Y 6/2) silty clay loam; 3 percent sand; 33 percent clay; 3 percent yellowish brown (10YR 5/4) fine and medium prominent and 21 percent strong brown (7.5YR 5/8) medium and coarse prominent mottles; massive; friable; 0.5 fine roots; 0.5 fine tubular pores; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 95P03503. Bw6 102-127 cm—95P3503. Bw7 127-142 cm—95P3504.
    C2—142 to 203 centimeters (55.9 to 79.9 inches); olive gray (5Y 5/2) and gray (5Y 5/1) silty clay loam; 3 percent sand; 33 percent clay; 3 percent yellowish brown (10YR 5/4) medium and coarse prominent and 21 percent strong brown (7.5YR 5/8) coarse prominent mottles; massive; friable; 1 percent fine irregular iron-manganese masses; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # 95P03505. BC 142-155 cm—95P3505. C1 155-173 cm—95P3506. C2 173-203 cm—95P3507.
    2Ab—203 to 218 centimeters (79.9 to 85.8 inches); very dark gray (10YR 3/1) and olive gray (5Y 5/2); fragments. Lab sample # 95P03508
    2Btgb—218 to 241 centimeters (85.8 to 94.9 inches); dark gray (5Y 4/1) clay loam; dark yellowish brown (10YR 4/4) and 21 percent olive brown (2.5Y 4/4) medium mottles; moderate fine granular, and subangular blocky structure; fragments. Lab sample # 95P03509