IDENTIFIERS

  • Current Taxon Name (Soil Name): Lawler
  • OSD
  • Series Extent
  • User Site ID: 1965IA089912
  • User Pedon ID: 1965IA089912
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - ISU
  • Lab Pedon # - X45-203-1
  • NCSS Pedon Lab Data NASIS Record ID - 75247
  • Print Date: 11/21/2024
  • 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: 43.2557628
  • Std. Longitude: -92.1893867
  • Datum: WGS84
  • Township: 98N
  • Range: 11W
  • Section: 31
  • PLSS Details: 115 feet north and 308 feet east of the southwest corner of the SE1/4
  • Location Description: This is a copy of KSSL owned S1965IA089912. original location measures into a Saude loam polygon. Changed location from 380 feet east to 308 feet east and point measures into a Lawler loam polygon.
  • 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
  • PEDON

  • Describers Name: Voy, Brown, Buckner
  • Current Taxonomic Class: Fine-loamy over sandy or sandy-skeletal, mixed, superactive, mesic Aquic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Pedon PC 6.0B
  • Correlated Information:
  • Soil Name - Lawler
  • Classificaton Date - 1/24/2012
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Lawler
  • Taxonomic Class - Sandy-skeletal, superactive, mesic Aquic Hapludolls
  • Taxon Kind - series
  • Classificaton Date - 12/5/1966
  • Classifier - Unknown
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: level 1


  • SITE

  • Parent Material: fine-loamy alluvium over sand and gravel
  • Landscape: river valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/5/1966 (actual site observation date)
  • Data Collector: Unknown
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    A1

    A2

    Bw1

    Bw2

    0

    18

    33

    58

    71

    18

    33

    48

    71

    94

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    Iowa State University

    27.6

    27.4

    26.8

    25.3

    21.4

    48.7

    48.5

    46.6

    39.7

    27.4

    28.8

    28.5

    28.5

    24.6

    14.4

    19.9

    20

    18.1

    15.1

    13

    23.7

    24.1

    26.6

    35

    51.2

    cl

    cl

    l

    l

    l

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    A1

    A2

    Bw1

    Bw2

    0

    18

    33

    58

    71

    18

    33

    48

    71

    94

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    A1

    A2

    Bw1

    Bw2

    0

    18

    33

    58

    71

    18

    33

    48

    71

    94

    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

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); silty clay loam; moderate fine granular structure; friable; fragments; slightly acid, pH 6.2; abrupt smooth boundary. Lab sample # ISU03512
    A1—18 to 33 centimeters (7.1 to 13.0 inches); silty clay loam; moderate fine granular structure; friable; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # ISU03513
    A2—33 to 48 centimeters (13.0 to 18.9 inches); loam; moderate fine subangular blocky structure; friable; black (10YR 2/1) organic stains on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # ISU03514
    AB—48 to 58 centimeters (18.9 to 22.8 inches); loam; moderate fine subangular blocky structure; friable; very dark gray (10YR 3/1) organic stains on all faces of peds; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # ISU03515
    Bw1—58 to 71 centimeters (22.8 to 28.0 inches); loam; weak fine subangular blocky structure; friable; very dark grayish brown (2.5Y 3/2) organic stains on all faces of peds; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # ISU03516
    Bw2—71 to 94 centimeters (28.0 to 37.0 inches); sandy clay loam; weak medium subangular blocky structure; friable; dark grayish brown (2.5Y 4/2) iron depletions on faces of peds and 1 percent fine faint light olive brown (2.5Y 5/6) masses of oxidized iron; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # ISU03517
    2BC—94 to 122 centimeters (37.0 to 48.0 inches); gravelly loamy sand; weak coarse subangular blocky structure; very friable; 10 percent fine faint strong brown (7.5YR 5/6) and 2.5Y 2/4 (2.5Y 2/4) masses of oxidized iron; fragments; moderately acid, pH 5.6.