IDENTIFIERS

  • Current Taxon Name (Soil Name): Ladoga
  • OSD
  • Series Extent
  • User Site ID: S1974IA103002
  • User Pedon ID: 1974IA103002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2342
  • NCSS Pedon Lab Data NASIS Record ID - 37039
  • Print Date: 5/20/2024
  • 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: 41.5367426
  • Std. Longitude: -91.5965083
  • Datum: WGS84
  • Township: 78N
  • Range: 6W
  • Section: 30
  • PLSS Details: 1080 feet south and 640 feet east of northwest corner
  • State: Iowa
  • County: IA103—Johnson
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IA103—Johnson County, Iowa
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Ladoga
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Ladoga
  • Taxonomic Class - Fine-silty, smectitic, mesic Mollic Hapludalfs
  • Taxon Kind - taxadjunct
  • Classificaton Date - 10/17/1974
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QA Status: level 1


  • SITE

  • Parent Material: loess
  • Landform: upland slope
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/17/1974 (actual site observation 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

    3

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark brown (10YR 2/2), grayish brown (10YR 5/2), dry; silt loam; weak fine granular structure; friable; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 40A18354
    E—15 to 25 centimeters (5.9 to 9.8 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak medium platy structure; friable; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 40A18355
    BE—25 to 38 centimeters (9.8 to 15.0 inches); brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; friable; light gray (10YR 7/2) silt coats; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 40A18356. discontinuous - phpvsfiid 1165988; discontinuous - phpvsfiid 1165988
    Bt1—38 to 51 centimeters (15.0 to 20.1 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) crushed silty clay loam; moderate fine subangular blocky, and moderate fine angular blocky structure; firm; light gray (10YR 7/2) silt coats and clay films; fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # 40A18357. continuous - phpvsfiid 1165986; discontinuous - phpvsfiid 1165987; continuous - phpvsfiid 1165986; discontinuous - phpvsfiid 1165987
    Bt2—51 to 64 centimeters (20.1 to 25.2 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) crushed silty clay loam; moderate fine and medium angular blocky, and moderate fine and medium subangular blocky structure; firm; light gray (10YR 7/2) silt coats and clay films; fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # 40A18358. discontinuous - phpvsfiid 1165984; discontinuous - phpvsfiid 1165985; discontinuous - phpvsfiid 1165984; discontinuous - phpvsfiid 1165985
    Bt3—64 to 84 centimeters (25.2 to 33.1 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) crushed silty clay loam; 1 percent light brownish gray (10YR 6/2) fine faint and 1 percent light brownish gray (10YR 6/2) fine faint mottles; weak fine prismatic, and weak medium angular blocky, and weak medium subangular blocky structure; firm; light gray (10YR 7/2) silt coats and clay films; fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # 40A18359. discontinuous - phpvsfiid 1165982; discontinuous - phpvsfiid 1165983; discontinuous - phpvsfiid 1165982; discontinuous - phpvsfiid 1165983
    BCt1—84 to 109 centimeters (33.1 to 42.9 inches); brown (10YR 5/3) silty clay loam; 3 percent light brownish gray (2.5Y 6/2) fine prominent mottles; weak fine prismatic, and weak medium angular blocky, and weak medium subangular blocky structure; firm; light gray (10YR 7/2) silt coats and clay films; fragments; strongly acid, pH 5.2; gradual smooth boundary. Lab sample # 40A18360. discontinuous - phpvsfiid 1165980; discontinuous - phpvsfiid 1165981; discontinuous - phpvsfiid 1165980; discontinuous - phpvsfiid 1165981
    BCt2—109 to 124 centimeters (42.9 to 48.8 inches); brown (10YR 5/3) silty clay loam; brown (10YR 5/3) and light brownish gray (2.5Y 6/2) mottles; weak medium prismatic structure; firm; clay films; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # 40A18361. discontinuous - phpvsfiid 1165979; discontinuous - phpvsfiid 1165979
    C—124 to 152 centimeters (48.8 to 59.8 inches); brown (10YR 5/3) silty clay loam; massive; firm; fragments; moderately acid, pH 5.8.