IDENTIFIERS

  • Current Taxon Name (Soil Name): Toa
  • OSD
  • Series Extent
  • User Site ID: S1963PR067001
  • User Pedon ID: S1963PR067001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0546
  • NCSS Pedon Lab Data NASIS Record ID - 33074
  • Print Date: 11/23/2024

    • 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: 18.1255550
  • Std. Longitude: -67.1100006
  • Datum: WGS84
  • Location Description: Suroeste SCD, Puerto Rico, 9.0 kilometers west northwest of town of San German, 700 meters on dirt road south of kilometer marker 2.5 on Highway 345, 200 meters east of dirt road.
  • State: Puerto Rico

    • PEDON

  • Describers Name: L. H. Rivera
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Toa
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/3/2003
  • Sampled As Information:
  • Soil Name - Toa
  • Classificaton Date - 9/25/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/25/1963 (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
    • 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

    2

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    AP—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) clay loam; weak fine granular structure; friable, slightly sticky, slightly plastic; 3.0 fine roots; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 40A04026. Many fine sand grains; few fine volcanic fragments.
    2A12—20 to 43 centimeters (7.9 to 16.9 inches); dark brown (10YR 3/3) silty clay loam; weak medium subangular blocky parts to weak fine granular structure; friable, slightly sticky, slightly plastic; 0.5 fine roots; 3 percent fine black (10YR 2/1) dark nodules; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 40A04027
    2B21—43 to 74 centimeters (16.9 to 29.1 inches); dark yellowish brown (10YR 3/4) silty clay loam; 1 percent brown (7.5YR 4/4) fine distinct mottles; weak medium and coarse subangular blocky parts to weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 fine roots; 0.5 fine pores; clay films; 3 percent fine black (10YR 2/1) dark nodules; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 40A04028. patchy - phpvsfiid 188167; patchy - phpvsfiid 188167
    2B22—74 to 109 centimeters (29.1 to 42.9 inches); brown (10YR 4/3) silty clay loam; 1 percent reddish brown (5YR 5/3) fine distinct mottles; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 fine roots; 0.5 fine pores; clay films in root channels and/or pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 40A04029. Few fine charcoal pieces; pottery and brick fragments found at the top of this horizon.; patchy - phpvsfiid 188168; patchy - phpvsfiid 188168
    3C1—109 to 163 centimeters (42.9 to 64.2 inches); dark yellowish brown (10YR 4/4) clay loam; 1 percent yellowish brown (10YR 5/6) fine faint and 1 percent light gray (10YR 7/1) fine faint mottles; massive; friable, slightly sticky, slightly plastic; 1 percent fine black (10YR 2/1) dark nodules; fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 40A04030