IDENTIFIERS

  • Current Taxon Name (Soil Name): Lamoni
  • OSD
  • Series Extent
  • User Site ID: S1987IA121002
  • User Pedon ID: 87IA121002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 88P0585
  • NCSS Pedon Lab Data NASIS Record ID - 60703
  • Print Date: 4/25/2025
  • 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: 41.2380562
  • Std. Longitude: -94.0638885
  • Datum: WGS84
  • Township: 74N
  • Range: 28W
  • Section: 3
  • PLSS Details: 1980 feet S and 1900 feet E of NW corner
  • Location Description: Madison County, Iowa.
  • State: Iowa
  • County: IA121—Madison
  • PEDON

  • Describers Name: A. Chowdhery
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Lamoni
  • Taxonomic Class - Fine, montmorillonitic Aquic Argiudolls
  • Classificaton Date - 10/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Geomorphic Component Hills: side slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1987 (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
  • Site Erosion Accelerated: water erosion
  • 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

    13

    315

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) and dark grayish brown (10YR 4/2) clay loam; weak fine granular structure; firm; 0.5 medium roots and 5.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 88P02968. few medium roots; many fine roots
    2Bt1—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (10YR 4/2) clay; grayish brown (10YR 5/2) and 11 percent brown (7.5YR 5/4) fine distinct and 11 percent very dark grayish brown (10YR 3/2) distinct mottles; moderate fine and medium subangular blocky structure; very firm; 0.5 medium roots and 2.5 fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary. Lab sample # 88P02969. few medium roots; common fine roots; common fine distinct 7.5YR54 mottles; common distinct 10YR32 mottles
    2Bt2—25 to 41 centimeters (9.8 to 16.1 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/6) clay; 11 percent brown (7.5YR 4/4) fine distinct and 11 percent dark grayish brown (10YR 4/2) distinct mottles; moderate fine and medium subangular blocky structure; very firm; 0.5 medium roots and 2.5 fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 88P02970. few medium roots; common fine roots; common fine distinct 7.5YR44 mottles; common distinct 10YR42 mottles
    2Bt3—41 to 56 centimeters (16.1 to 22.0 inches); gray (10YR 5/1) and yellowish brown (10YR 5/6) clay; brown (7.5YR 4/4) and 11 percent strong brown (7.5YR 4/6) fine distinct and 11 percent grayish brown (10YR 5/2) distinct mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; very firm; 2.5 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 88P02971. common very fine and fine roots; common fine distinct 7.5YR46 mottles; common distinct 10YR52 mottles
    2Bt4—56 to 74 centimeters (22.0 to 29.1 inches); gray (10YR 5/1) and yellowish brown (10YR 5/6) clay; grayish brown (10YR 5/2) and 11 percent strong brown (7.5YR 4/6) fine distinct and 11 percent dark gray (10YR 4/1) distinct mottles; moderate medium prismatic, and moderate fine and medium subangular blocky structure; firm; 0.5 very fine and fine roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 88P02972. few very fine and fine roots; common fine distinct 7.5YR46 mottles; common distinct 10YR41 mottles
    2Bt5—74 to 94 centimeters (29.1 to 37.0 inches); gray (10YR 5/1) and yellowish brown (10YR 5/6) clay loam; brown (7.5YR 4/4) and 11 percent strong brown (7.5YR 4/6) fine distinct and 11 percent dark yellowish brown (10YR 4/4) distinct mottles; weak medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine and fine roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 88P02973. few very fine and fine roots; common fine distinct 7.5YR46 mottles; common distinct 10YR44 mottles
    2Bt6—94 to 109 centimeters (37.0 to 42.9 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/6) clay loam; brown (7.5YR 4/4) and 11 percent strong brown (7.5YR 5/6) fine distinct and 11 percent dark yellowish brown (10YR 4/4) distinct mottles; weak medium prismatic, and moderate medium subangular blocky structure; firm; 0.5 very fine and fine roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 88P02974. few very fine and fine roots; common fine distinct 7.5YR56 mottles; common distinct 10YR44 mottles
    2BC—109 to 122 centimeters (42.9 to 48.0 inches); gray (10YR 5/1) and yellowish brown (10YR 5/4) clay loam; brown (7.5YR 4/4) and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent brown (10YR 5/3) faint mottles; weak medium prismatic, and weak medium subangular blocky structure; firm; 0.5 very fine and fine roots; 5 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog. Lab sample # 88P02975. few very fine and fine roots; common fine distinct 10YR56 mottles; common faint 10YR53 mottles