IDENTIFIERS

  • Current Taxon Name (Soil Name): Donnan
  • OSD
  • Series Extent
  • User Site ID: M65_IA089_008
  • User Pedon ID: S1965IA089008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-782-1
  • NCSS Pedon Lab Data NASIS Record ID - 74627
  • 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: 43.3496437
  • Std. Longitude: -92.2553787
  • Datum: WGS84
  • Township: 99N
  • Range: 12W
  • Section: 34
  • PLSS Details: 560 feet West and 140 feet North of corner post in the SE corner of the SW 1/4 NE 1/4
  • Location Description: Howard County, Iowa
  • Country: US—United States
  • State: Iowa
  • County: IA089—Howard
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA089—Howard County, Iowa
  • 7.5 Minute USGS Quad: 43092-C3—Lourdes, Iowa

    • PEDON

  • Describers Name: RL Buckner, Bruns, Epley
  • Current Taxonomic Class: Fine-loamy over clayey, mixed, mesic Aquollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Donnan
  • Classificaton Date - 6/29/2010
  • Classifier - Buckner
  • Sampled As Information:
  • Soil Name - Donnan
  • Taxonomic Class - Fine-loamy over clayey, mixed, mesic Aquollic Hapludalfs
  • Taxon Kind - series
  • Classificaton Date - 4/16/2010
  • Classifier - Buckner
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Slope Shape Across: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/16/2010 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    2.5

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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) loam; 33 percent sand; 46 percent silt; 22 percent clay; 10 percent very dark grayish brown (10YR 3/2) fine faint mottles; moderate fine granular structure; friable; 3.0 roots; fragments; strongly acid, pH 5.2; clear smooth boundary. Lab sample # ISU02083
    A2—18 to 28 centimeters (7.1 to 11.0 inches); brown (10YR 4/3) loam; 35 percent sand; 44 percent silt; 21 percent clay; 10 percent very dark grayish brown (10YR 3/2) fine faint mottles; weak medium platy structure; friable; 3.0 roots; 0.5 fine pores; fragments; very strongly acid, pH 4.9; clear wavy boundary. Lab sample # ISU02084
    B11—28 to 48 centimeters (11.0 to 18.9 inches); yellowish brown (10YR 5/4) interior and light olive brown (2.5Y 5/4) exterior loam; 42 percent sand; 41 percent silt; 18 percent clay; weak very fine subangular blocky, and weak fine subangular blocky structure; friable; 0.5 roots; 0.5 medium and 3.0 fine pores; fragments; very strongly acid, pH 4.6; clear wavy boundary. Lab sample # ISU02085
    B12—48 to 71 centimeters (18.9 to 28.0 inches); yellowish brown (10YR 5/4) exterior and yellowish brown (10YR 5/6) interior sandy loam; 59 percent sand; 27 percent silt; 14 percent clay; 10 percent strong brown (7.5YR 5/8) fine distinct and 10 percent gray (10YR 6/1) fine distinct mottles; weak medium subangular blocky structure; very friable; 0.5 roots; 0.5 medium pores; 1 percent fine black (10YR 2/1) and strong brown (7.5YR 5/8) masses of oxidized iron; fragments; very strongly acid, pH 4.6; clear wavy boundary. Lab sample # ISU02086
    B21—71 to 79 centimeters (28.0 to 31.1 inches); yellowish brown (10YR 5/4) and gray (5Y 6/1) loam; 39 percent sand; 38 percent silt; 23 percent clay; weak medium subangular blocky structure; firm; 0.5 roots; 15 percent fine strong brown (7.5YR 5/8), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.6; abrupt wavy boundary. Lab sample # ISU02087
    2B22—79 to 86 centimeters (31.1 to 33.9 inches); gray (5Y 5/1) silty clay; 14 percent sand; 44 percent silt; 42 percent clay; 10 percent strong brown (7.5YR 5/6) fine distinct and 30 percent grayish brown (2.5Y 5/2) fine faint mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; very firm; 0.1 roots; 0.5 medium and 0.5 fine pores; fragments; very strongly acid, pH 5.0; clear wavy boundary. Lab sample # ISU02088
    2B23—86 to 104 centimeters (33.9 to 40.9 inches); dark gray (N 4/), silty clay; 11 percent sand; 48 percent silt; 41 percent clay; moderate fine prismatic parts to strong fine angular blocky structure; very firm; 0.1 roots; 0.5 fine pores; 1 percent fine strong brown (7.5YR 5/8) masses of oxidized iron; fragments; strongly acid, pH 5.2; clear wavy boundary. Lab sample # ISU02089
    2B24—104 to 122 centimeters (40.9 to 48.0 inches); dark gray (5Y 4/1) silty clay; 12 percent sand; 45 percent silt; 44 percent clay; moderate fine prismatic parts to moderate fine angular blocky structure; very firm; 0.5 fine pores; 1 percent fine yellowish red (5YR 5/6) masses of oxidized iron and 1 percent fine brown (10YR 4/3) masses of oxidized iron; fragments; strongly acid, pH 5.4; clear wavy boundary. Lab sample # ISU02090
    2B3—122 to 130 centimeters (48.0 to 51.2 inches); dark gray (5Y 4/1) and yellowish brown (10YR 5/6) silty clay loam; 12 percent sand; 49 percent silt; 39 percent clay; weak fine prismatic parts to weak medium subangular blocky structure; firm; 0.5 medium and 0.5 fine pores; 1 percent fine yellowish red (5YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.3; clear wavy boundary. Lab sample # ISU02091
    2C1—130 to 145 centimeters (51.2 to 57.1 inches); dark gray (5Y 4/1) and light brownish gray (2.5Y 6/2) and strong brown (7.5YR 5/6) and yellowish brown (10YR 5/8) silty clay loam, silt loam; 15 percent sand; 53 percent silt; 33 percent clay; massive; firm; fragments; slightly acid, pH 6.4; abrupt wavy boundary. Lab sample # ISU02092
    3C2—145 to 198 centimeters (57.1 to 78.0 inches); variegated light olive brown (2.5Y 5/4) and light brownish gray (2.5Y 6/2) loam; 42 percent sand; 31 percent silt; 27 percent clay; massive; firm; 1 percent fine black (10YR 2/1) manganese masses; fragments; neutral, pH 6.6; abrupt wavy boundary. Lab sample # ISU02093
    3C3—198 to 230 centimeters (78.0 to 90.6 inches); yellowish brown (10YR 5/8) loam; 51 percent sand; 30 percent silt; 19 percent clay; 30 percent grayish brown (2.5Y 5/2) fine distinct mottles; massive; firm; 15 percent very dark gray (N 3/) clay films on surfaces along root channels; fragments; neutral, pH 7.2; clear wavy boundary. Lab sample # ISU02094
    3C4—230 to 255 centimeters (90.6 to 100.4 inches); yellowish brown (10YR 5/8) loam; 51 percent sand; 32 percent silt; 17 percent clay; massive; firm; 15 percent very dark gray (N 3/) clay films on surfaces along root channels; fragments; slight effervescence; neutral, pH 7.2. Lab sample # ISU02095