IDENTIFIERS

  • Current Taxon Name (Soil Name): Belknap
  • OSD
  • Series Extent
  • User Site ID: S1990IL081004
  • User Pedon ID: 90IL081004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0844
  • NCSS Pedon Lab Data NASIS Record ID - 62777
  • Print Date: 5/19/2024

    • 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: 38.2666664
  • Std. Longitude: -88.9016647
  • Datum: WGS84
  • Township: 3S
  • Range: 3E
  • Section: 17
  • PLSS Details: 1800 feet E and 2112 feet S of the NW corner
  • State: Illinois
  • County: IL081—Jefferson
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain

    • PEDON

  • Describers Name: Scott Martin and Carl Glocker.
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, acid, mesic Fluvaquentic Endoaquepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Belknap
  • Classificaton Date - 6/15/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Belknap
  • Taxonomic Class - Fine-silty, mixed, mesic Aeric Haplaquept
  • Taxon Kind - series
  • Classificaton Date - 7/1/1990
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: flood plain
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • 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

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    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) silt loam; moderate fine and medium granular structure; friable; 2.5 medium and coarse roots throughout; 15 percent prominent very pale brown (10YR 8/2), moist, skeletans in root channels and/or pores; 1 percent fine spherical iron-manganese masses; fragments; moderately acid, pH 5.6, hellige-truog; abrupt smooth boundary. Lab sample # 90P04960. few fine soft masses of iron-manganese concentrations; few skeletans (sand or silt) surface features in root channels and/or pores; common medium and coarse roots throughout; patchy - phpvsfiid 225675; patchy - phpvsfiid 225675
    Bw1—13 to 43 centimeters (5.1 to 16.9 inches); brown (10YR 5/3) silt loam; 11 percent dark yellowish brown (10YR 3/4) fine distinct and 11 percent light brownish gray (10YR 6/2) medium faint mottles; moderate medium subangular blocky structure; friable; 2.5 fine and medium roots throughout; 15 percent prominent very pale brown (10YR 8/2), moist, skeletans in root channels and/or pores; 1 percent fine spherical iron-manganese masses; fragments; strongly acid, pH 5.3, hellige-truog; gradual smooth boundary. Lab sample # 90P04961. few fine soft masses of iron-manganese concentrations; few skeletans (sand or silt) surface features in root channels and/or pores; common fine and medium roots throughout; common fine distinct 10YR34 mottles; common medium faint 10YR62 mottles; patchy - phpvsfiid 225676; patchy - phpvsfiid 225676
    Bw2—43 to 74 centimeters (16.9 to 29.1 inches); brown (10YR 5/3) silt loam; 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent light brownish gray (10YR 6/2) medium faint mottles; weak coarse prismatic structure; friable; 2.5 fine and medium roots throughout; 15 percent faint brown (10YR 4/3), moist, coats on faces of peds; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # 90P04962. patchy 3" layers of stratified; common fine soft masses of iron-manganese concentrations; few coats surface features on faces of peds; common fine and medium roots throughout; common fine distinct 10YR56 mottles; common medium faint 10YR62 mottles; patchy - phpvsfiid 225677; patchy - phpvsfiid 225677
    Bw3—74 to 102 centimeters (29.1 to 40.2 inches); brown (10YR 5/3) silt loam; 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent light brownish gray (10YR 6/2) medium faint mottles; weak coarse prismatic structure; friable; 2.5 fine and medium roots throughout; 15 percent faint brown (10YR 4/3), moist, coats on faces of peds; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # 90P04963. patchy 3" layers of stratified; common fine soft masses of iron-manganese concentrations; few coats surface features on faces of peds; common fine and medium roots throughout; common fine distinct 10YR56 mottles; common medium faint 10YR62 mottles; patchy - phpvsfiid 225678; patchy - phpvsfiid 225678
    Bw4—102 to 124 centimeters (40.2 to 48.8 inches); pale brown (10YR 6/3) silt loam; 11 percent dark yellowish brown (10YR 4/4) fine distinct and 11 percent very pale brown (10YR 8/2) medium faint mottles; weak coarse prismatic structure; friable; 0.5 fine roots throughout; 15 percent distinct dark grayish brown (10YR 4/2), moist, coats on faces of peds and 55 percent prominent very pale brown (10YR 8/2), moist, skeletans in root channels and/or pores; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # 90P04964. common fine soft masses of iron-manganese concentrations; few coats surface features on faces of peds; many skeletans (sand or silt) surface features in root channels and/or pores; few fine roots throughout; common fine distinct 10YR44 mottles; common medium faint 10YR82 mottles; discontinuous - phpvsfiid 233659; patchy - phpvsfiid 233658; discontinuous - phpvsfiid 233659; patchy - phpvsfiid 233658
    Bw5—124 to 147 centimeters (48.8 to 57.9 inches); yellowish brown (10YR 5/4) silt loam; 11 percent dark yellowish brown (10YR 4/4) fine faint and 30 percent light gray (10YR 7/2) medium distinct mottles; weak coarse prismatic structure; friable; 0.5 medium roots throughout; 15 percent faint brown (10YR 5/3), moist, coats on faces of peds and 15 percent prominent grayish brown (10YR 5/2), moist, skeletans in root channels and/or pores; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # 90P04965. common fine soft masses of iron-manganese concentrations; few coats surface features on faces of peds; few skeletans (sand or silt) surface features in root channels and/or pores; few medium roots throughout; common fine faint 10YR44 mottles; many medium distinct 10YR72 mottles; patchy - phpvsfiid 233660; patchy - phpvsfiid 233661; patchy - phpvsfiid 233660; patchy - phpvsfiid 233661
    Bw6—147 to 183 centimeters (57.9 to 72.0 inches); yellowish brown (10YR 5/4) silt loam; 11 percent dark yellowish brown (10YR 4/4) fine faint and 30 percent light gray (10YR 7/2) medium distinct mottles; weak coarse prismatic structure; friable; 0.5 medium roots throughout; 15 percent faint brown (10YR 5/3), moist, coats on faces of peds and 15 percent prominent very pale brown (10YR 8/2), moist, skeletans in root channels and/or pores; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # 90P04966. common fine soft masses of iron-manganese concentrations; few coats surface features on faces of peds; few skeletans (sand or silt) surface features in root channels and/or pores; few medium roots throughout; common fine faint 10YR44 mottles; many medium distinct 10YR72 mottles; patchy - phpvsfiid 233662; patchy - phpvsfiid 233663; patchy - phpvsfiid 233662; patchy - phpvsfiid 233663
    Bw7—183 to 216 centimeters (72.0 to 85.0 inches); light yellowish brown (10YR 6/4) silt loam; 30 percent light brownish gray (10YR 6/2) medium distinct mottles; weak coarse prismatic structure; friable; 0.5 fine roots throughout; 15 percent distinct yellowish brown (10YR 5/8), moist, clay films in root channels and/or pores; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 90P04967. common fine soft masses of iron-manganese concentrations; few clay films surface features in root channels and/or pores; few fine roots throughout; many medium distinct 10YR62 mottles; patchy - phpvsfiid 233664; patchy - phpvsfiid 233664
    Bg1—216 to 239 centimeters (85.0 to 94.1 inches); light gray (10YR 7/2) silt loam; 11 percent light yellowish brown (10YR 6/4) medium distinct and 11 percent yellowish red (5YR 5/8) medium prominent mottles; weak coarse subangular blocky structure; friable; 0.5 medium roots throughout; 15 percent faint brown (10YR 5/3), moist, clay films in root channels and/or pores; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 90P04968. common fine soft masses of iron-manganese concentrations; few clay films surface features in root channels and/or pores; few medium roots throughout; common medium distinct 10YR64 mottles; common medium prominent 5YR58 mottles; patchy - phpvsfiid 233665; patchy - phpvsfiid 233665
    Bg2—239 to 269 centimeters (94.1 to 105.9 inches); light brownish gray (10YR 6/2) silt loam; 11 percent strong brown (7.5YR 5/8) medium prominent mottles; weak coarse subangular blocky structure; friable; 0.5 medium roots throughout; 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 90P04969. common fine soft masses of iron-manganese concentrations; few medium roots throughout; common medium prominent 7.5YR58 mottles
    2Bg3—269 to 295 centimeters (105.9 to 116.1 inches); light brownish gray (10YR 6/2) loam; 30 percent dark reddish brown (5YR 3/4) fine and medium prominent mottles; weak coarse subangular blocky structure; friable; 0.5 fine roots throughout; 11 percent medium spherical iron-manganese concretions; fragments. Lab sample # 90P04970. common medium iron-manganese concretions concentrations; few fine roots throughout; many fine and medium prominent 5YR34 mottles