IDENTIFIERS

  • Current Taxon Name (Soil Name): Rilla
  • OSD
  • Series Extent
  • User Site ID: S1984LA021021
  • User Pedon ID: 84LA021021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0082
  • NCSS Pedon Lab Data NASIS Record ID - 55798
  • Print Date: 6/3/2024

    • 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: 32.1483345
  • Std. Longitude: -91.9680557
  • Datum: WGS84
  • Township: 14N
  • Range: 5E
  • Section: 34
  • PLSS Details: NW1/4 SE1/4
  • Location Description: Caldwell Parish LA, 5 km SE of Hebert.
  • State: Louisiana
  • County: LA021—Caldwell
  • MLRA: 131—Southern Mississippi Valley Alluvium

    • PEDON

  • Describers Name: W. H. Boyd
  • Current Taxonomic Class: Fine-silty, mixed, active, thermic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 21
  • Correlated Information:
  • Soil Name - Rilla
  • PSC - 40 to 90 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Rilla
  • Taxonomic Class - Fine-silty, mixed, thermic Typic Hapludalf
  • Taxon Kind - series
  • Classificaton Date - 10/1/1984
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: low sand ridge
  • Drainage Class: well
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    anthropic epipedon

    argillic horizon

    0—40

    40—163

    40—163

    —-

    —-

    —-
    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

    —

    —

    —

    19

    —

    132

    —

    —

    18

    27

    8

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) interior silt loam; weak medium granular structure; very friable; 2.5 fine roots; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 85P00394; very moist when described;. common fine roots
    1E—20 to 40 centimeters (7.9 to 15.7 inches); brown (10YR 5/3) interior silt loam; 11 percent dark yellowish brown (10YR 4/4) fine and medium distinct mottles; weak medium subangular blocky structure; very friable; 2.5 fine roots; 0.5 fine tubular pores; 1 percent dark concretions; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 85P00395; very moist when described;. Mottles grading toward FeMn nodules.; few dark concretions concentrations; common fine roots; common fine and medium distinct 10YR44 mottles
    1Bt1—40 to 56 centimeters (15.7 to 22.0 inches); yellowish red (5YR 4/6) interior clay loam; moderate medium subangular blocky structure; friable; 2.5 fine roots; 2.5 very fine tubular and 2.5 fine tubular pores; 37 percent faint yellowish red (5YR 4/6), moist, clay films on faces of peds and in pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 85P00396; very moist when described;. Clay films slightly darker than matrix.; common clay films surface features on faces of peds and in pores; common fine roots; patchy - phpvsfiid 218007; patchy - phpvsfiid 218007
    1Bt2—56 to 72 centimeters (22.0 to 28.3 inches); yellowish red (5YR 4/6) interior silty clay loam; moderate medium subangular blocky structure; friable; 2.5 fine roots; 2.5 very fine tubular and 2.5 fine tubular pores; 15 percent strong brown (7.5YR 4/6), moist, skeletans on vertical faces of peds and 37 percent faint yellowish red (5YR 4/6), moist, clay films; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 85P00397; moist when described;. common clay films surface features; few skeletans (sand or silt) surface features on vertical faces of peds; common fine roots; patchy - phpvsfiid 218008; patchy - phpvsfiid 218008
    1Bt3—72 to 103 centimeters (28.3 to 40.6 inches); yellowish red (5YR 4/6) interior silt loam; weak medium subangular blocky structure; very friable; 2.5 fine roots; 2.5 very fine tubular and 2.5 fine tubular pores; 37 percent faint yellowish red (5YR 4/6), moist, clay films and 37 percent light brown (7.5YR 6/4), moist, skeletans on vertical faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 85P00398; moist when described;. common clay films surface features; common skeletans (sand or silt) surface features on vertical faces of peds; common fine roots; patchy - phpvsfiid 218010; patchy - phpvsfiid 218010
    1BC—103 to 163 centimeters (40.6 to 64.2 inches); yellowish red (5YR 4/6) interior silt loam; weak medium subangular blocky structure; very friable; 2.5 very fine tubular and 2.5 fine tubular pores; 15 percent faint yellowish red (5YR 4/6), moist, clay films and 37 percent light brown (7.5YR 6/4), moist, skeletans on vertical faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # 85P00399; moist when described;. 1 to 3 cm thick vertical bleached seams separate very large prismatic structure.; few clay films surface features; common skeletans (sand or silt) surface features on vertical faces of peds; patchy - phpvsfiid 218012; patchy - phpvsfiid 218012
    1C1—163 to 195 centimeters (64.2 to 76.8 inches); yellowish red (5YR 4/6) interior silt loam; massive; very friable; 2.5 fine tubular pores; 37 percent light brown (7.5YR 6/4), moist, skeletans on vertical faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # 85P00400; moist when described;. common skeletans (sand or silt) surface features on vertical faces of peds
    1C2—195 to 215 centimeters (76.8 to 84.6 inches); yellowish red (5YR 4/6) interior silt loam; 2.5 fine tubular pores; 15 percent , moist, black stains and 37 percent light brown (7.5YR 6/4), moist, skeletans on vertical faces of peds; fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 85P00401; moist when described;. few black stains surface features; common skeletans (sand or silt) surface features on vertical faces of peds