IDENTIFIERS

  • Current Taxon Name (Soil Name): Coto
  • OSD
  • Series Extent
  • User Site ID: S1994PR005001
  • User Pedon ID: 94PR005001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 94P0843
  • NCSS Pedon Lab Data NASIS Record ID - 67014
  • 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: 18.4736118
  • Std. Longitude: -67.0416641
  • Datum: WGS84
  • Location Description: ARS Research Station, Isabela, Puerto Rico.
  • State: Puerto Rico
  • MLRA: 272—Humid Coastal Plains
  • 7.5 Minute USGS Quad: TPR0037—Moca, Puerto Rico

    • PEDON

  • Describers Name: RLV, JRD
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Coto
  • Taxonomic Class - Very-fine, kaolinitic Typic Hapludox
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/16/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: sink
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/16/1994 (actual site observation date)
  • Air Photo ID: Atlas #5
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    oxic horizon

    25—100

    —-
    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

    7

    300

    200

    118

    —

    200

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark yellowish brown (10YR 4/4) broken face clay; weak medium and coarse subangular blocky structure; friable; 21.0 very fine and fine roots throughout and 3.0 medium roots throughout; 1 percent by volume subrounded 2-39-75 millimeter limestone, arenaceous fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 94P06597
    AB—23 to 38 centimeters (9.1 to 15.0 inches); strong brown (7.5YR 4/6) clay; moderate medium subangular blocky structure; friable; 3.0 very fine and fine roots between peds; 0.5 very fine and fine pores; 3 percent fine irregular masses of dark accumulation; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 94P06598. few fine channels filled with dark yellowish brown (10YR 4/4) Ap material.
    Bo1—38 to 56 centimeters (15.0 to 22.0 inches); yellowish brown (10YR 5/6) clay; moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots between peds; 0.5 fine pores; 10 percent faint yellowish brown (10YR 5/4), moist, coats on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 94P06599. few fine uncoated sand grains.; discontinuous - phpvsfiid 177050; discontinuous - phpvsfiid 177050
    Bo2—56 to 86 centimeters (22.0 to 33.9 inches); yellowish brown (10YR 5/8) clay; moderate fine subangular blocky structure; friable; 0.5 very fine roots between peds; 10 percent faint dark yellowish brown (10YR 4/4), moist, coats on faces of peds; 1 percent fine cylindrical dark yellowish brown (10YR 4/4) worm casts throughout; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 94P06600. discontinuous - phpvsfiid 177051; discontinuous - phpvsfiid 177051
    Bo3—86 to 119 centimeters (33.9 to 46.9 inches); yellowish brown (10YR 5/8) clay; moderate fine and medium subangular blocky structure; friable; 0.5 very fine roots between peds; 1 percent faint dark yellowish brown (10YR 4/6), moist, coats on horizontal faces of peds and 1 percent pressure faces; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 94P06601. patchy - phpvsfiid 177052; patchy - phpvsfiid 177052
    Bo4—119 to 180 centimeters (46.9 to 70.9 inches); yellowish brown (10YR 5/8) clay; 1 percent yellowish red (5YR 5/8) medium distinct mottles; moderate fine and medium subangular blocky structure; friable; 0.5 very fine roots between peds; 1 percent faint dark yellowish brown (10YR 4/6), moist, coats on faces of peds and 1 percent pressure faces; fragments; neutral, pH 6.9, hellige-truog. Lab sample # 94P06602. discontinuous - phpvsfiid 177054; discontinuous - phpvsfiid 177054