IDENTIFIERS

  • Current Taxon Name (Soil Name): Penalosa
  • OSD
  • Series Extent
  • User Site ID: 08KS155001
  • User Pedon ID: 08KS155001
  • User Site Association ID: Kansas State University Laboratory Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSU
  • Lab Pedon # - 08KS155001
  • NCSS Pedon Lab Data NASIS Record ID - 40880
  • Print Date: 4/29/2025
  • 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: 37.9233322
  • Std. Longitude: -97.9216690
  • Datum: WGS84
  • Township: 24 South
  • Range: 5 West
  • Section: 31
  • PLSS Details: NW 1/4
  • Map Unit: 5925—Penalosa silt loam, 0 to 1 percent slopes
  • State: Kansas
  • County: KS155—Reno
  • MLRA: 79—Great Bend Sand Plains
  • Non-MLRA Soil Survey Area: KS155—Reno County, Kansas
  • 7.5 Minute USGS Quad: 37097-H8—Elmer, Kansas
  • PEDON

  • Describers Name: Gary Parks
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Udertic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Sampled As Information:
  • Soil Name - Penalosa
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Udertic Argiustolls
  • PSC - 15 to 65 cm.
  • Classificaton Date - 8/20/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 178 centimeters of depth to apparent water table and 34 percent of control section clay


  • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: paleoterrace
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/20/2008 (actual site observation date)
  • Air Photo ID: 61
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    redox concentrations

    slickensides

    calcic horizon

    secondary carbonates

    0—48

    15—203

    73—

    73—98

    116—140

    116—

    —48—

    —188—

    —-

    —25—

    —24—

    —-

    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

    0

    477

    270

    Ap—0 to 15 centimeters (0.0 to 5.9 inches);, very dark grayish brown (10YR 3/2), moist; loam; 40 percent sand; 25 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; Ksat of 1 um/s; low excavation difficulty; 3.0 very fine roots throughout; 3.0 very fine high-continuity dendritic tubular and 1.0 medium high-continuity dendritic tubular pores; fragments; noneffervescent, by hcl, 3n; clear smooth boundary. Lab sample # KSUSS4204; observed in push tube
    Bt1—15 to 29 centimeters (5.9 to 11.4 inches);, very dark gray (10YR 3/1), moist; clay loam; 25 percent sand; 30 percent clay; moderate medium angular blocky parts to moderate fine angular blocky structure; hard, friable, moderately sticky, moderately plastic; Ksat of 0.8 um/s; low excavation difficulty; 5.0 very fine roots throughout; 3.0 very fine moderate-continuity dendritic tubular and 1.0 medium high-continuity dendritic tubular pores; 5 percent distinct clay films on vertical faces of peds; 2 percent fine faint spherical noncoherent cemented very dark gray (7.5YR 3/1), moist, worm casts with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 3n; clear wavy boundary. Lab sample # KSUSS4205; observed in push tube. discontinuous - phpvsfiid 435075; discontinuous - phpvsfiid 435075
    Bt2—29 to 48 centimeters (11.4 to 18.9 inches);, dark brown (7.5YR 3/2), moist; silty clay loam; 18 percent sand; 34 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.5 um/s; low excavation difficulty; 3.0 very fine roots throughout; 3.0 very fine high-continuity dendritic tubular pores; 20 percent prominent clay films on all faces of peds; 2 percent fine faint spherical noncoherent cemented dark brown (7.5YR 3/2), moist, worm casts with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 3n; gradual wavy boundary. Lab sample # KSUSS4206; observed in push tube. continuous - phpvsfiid 435076; continuous - phpvsfiid 435076
    Btss1—48 to 73 centimeters (18.9 to 28.7 inches);, dark brown (7.5YR 3/2), moist; silty clay loam; 15 percent sand; 37 percent clay; moderate medium angular blocky parts to moderate fine subangular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.2 um/s; low excavation difficulty; 2.0 very fine roots throughout; 2.0 very fine high-continuity dendritic tubular and 1.0 fine high-continuity dendritic tubular pores; 3 percent prominent black (10YR 2/1), moist, organoargillans on vertical faces of peds and 10 percent prominent pressure faces on vertical faces of peds and 25 percent prominent clay films on all faces of peds; fragments; noneffervescent, by hcl, 3n; gradual wavy boundary. Lab sample # KSUSS4207; observed in push tube. discontinuous - phpvsfiid 435078; continuous - phpvsfiid 435077; continuous - phpvsfiid 435079; discontinuous - phpvsfiid 435078; continuous - phpvsfiid 435077; continuous - phpvsfiid 435079
    Btss2—73 to 98 centimeters (28.7 to 38.6 inches);, brown (7.5YR 4/2), moist; silty clay; 15 percent sand; 42 percent clay; moderate coarse prismatic parts to moderate medium angular blocky structure; very hard, firm, very sticky, very plastic; Ksat of 0.1 um/s; low excavation difficulty; 1.0 very fine roots throughout; 3.0 very fine high-continuity dendritic tubular pores; 5 percent prominent slickensides (pedogenic) on vertical faces of peds and 5 percent prominent very dark gray (10YR 3/1), moist, organoargillans on vertical faces of peds and 30 percent prominent clay films on all faces of peds; 3 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout and 8 percent medium prominent irregular noncoherent cemented grayish brown (2.5Y 5/2), moist, masses of reduced iron with clear boundaries throughout; fragments; noneffervescent, by hcl, 3n; gradual wavy boundary. Lab sample # KSUSS4208; observed in push tube. patchy - phpvsfiid 435081; continuous - phpvsfiid 435082; continuous - phpvsfiid 435083; patchy - phpvsfiid 435081; continuous - phpvsfiid 435082; continuous - phpvsfiid 435083
    Btk1—98 to 116 centimeters (38.6 to 45.7 inches);, brown (7.5YR 5/4), moist; clay loam; 25 percent sand; 32 percent clay; moderate medium subangular blocky parts to weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; Ksat of 0.7 um/s; low excavation difficulty; 1.0 very fine roots throughout; 1.0 fine high-continuity dendritic tubular pores; 5 percent distinct clay films on vertical faces of peds and 10 percent prominent organoargillans on vertical faces of peds; 3 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout; 5 percent fine distinct irregular very strongly coherent cemented carbonate nodules with sharp boundaries throughout; fragments; strong effervescence, by hcl, 3n; gradual irregular boundary. Lab sample # KSUSS4209; observed in push tube. discontinuous - phpvsfiid 435085; continuous - phpvsfiid 435084; discontinuous - phpvsfiid 435085; continuous - phpvsfiid 435084
    Btk2—116 to 140 centimeters (45.7 to 55.1 inches);, brown (7.5YR 5/4), moist; loam; 20 percent sand; 25 percent clay; weak medium subangular blocky parts to weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; Ksat of 1 um/s; low excavation difficulty; 1.0 fine roots throughout; 1.0 medium moderate-continuity dendritic tubular pores; 5 percent faint clay films on vertical faces of peds and 5 percent prominent organoargillans on vertical faces of peds; 3 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with sharp boundaries throughout; 35 percent very coarse prominent irregular noncoherent cemented carbonate masses with sharp boundaries throughout; fragments; strong effervescence, by hcl, 3n; diffuse irregular boundary. Lab sample # KSUSS4210; observed in push tube. patchy - phpvsfiid 435086; continuous - phpvsfiid 435087; patchy - phpvsfiid 435086; continuous - phpvsfiid 435087
    Btk3—140 to 203 centimeters (55.1 to 79.9 inches);, 5YR 4/8 (5YR 4/8), moist; loam; 20 percent sand; 25 percent clay; weak medium subangular blocky parts to weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; Ksat of 1 um/s; low excavation difficulty; 1.0 fine high-continuity dendritic tubular pores; 2 percent distinct organoargillans on surfaces along root channels and 5 percent faint clay films on vertical faces of peds; 2 percent fine distinct irregular moderately coherent cemented carbonate nodules with sharp boundaries throughout; fragments; strong effervescence, by hcl, 3n. Lab sample # KSUSS4211; observed in push tube. patchy - phpvsfiid 435088; continuous - phpvsfiid 435089; patchy - phpvsfiid 435088; continuous - phpvsfiid 435089