IDENTIFIERS

  • Current Taxon Name (Soil Name): Fraternidad
  • OSD
  • Series Extent
  • User Site ID: S1961PR079001
  • User Pedon ID: S1961PR079001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0249
  • NCSS Pedon Lab Data NASIS Record ID - 32777
  • Print Date: 2/16/2025

    • 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: 18.0358334
  • Std. Longitude: -67.0824966
  • Datum: WGS84
  • Location Description: On Lajas Experiment Station, 690 feet north and 150 feet east of junction of roads to poultry barns and to Lajas railroad station, east of Experiment Station headquarters. Aerial Photo GS-LR-6-86. Suroeste Soil Conservation District.
  • State: Puerto Rico
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto Rico

    • PEDON

  • Describers Name: O. R. Carter
  • 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 - Fraternidad
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/3/2003
  • Sampled As Information:
  • Soil Name - Fraternidad
  • Classificaton Date - 3/21/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/21/1961 (actual site observation date)
  • Air Photo ID: GSLR-6-86
  • Surface Cover Properties:
  • 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

    1

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    AP—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) clay; weak medium granular structure; firm, slightly sticky, moderately plastic; 21.0 fine roots; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # 40A01847. Common fine volcanic fragments.
    A12—18 to 36 centimeters (7.1 to 14.2 inches); 80 percent very dark grayish brown (10YR 3/2) and 20 percent dark brown (10YR 3/3) clay; massive parts to weak medium and coarse angular blocky; firm, moderately sticky, moderately plastic; 0.5 fine roots; 75 percent pressure faces; fragments; moderately acid, pH 5.8, unspecified; clear wavy boundary. Lab sample # 40A01848. Slickensides one inch wide; common fine volcanic fragments, few up to 1 inch across.
    A13—36 to 58 centimeters (14.2 to 22.8 inches); dark brown (10YR 3/3) clay; massive parts to weak medium and coarse angular blocky; firm, moderately sticky, moderately plastic; fragments; slight effervescence; gradual wavy boundary. Lab sample # 40A01849. Tongues and pockets of very dark grayish brown (10YR 3/2) clay; pressure faces and slickensides 6 inches in width and less; common fine volcanic pebbles; common fine black aggregates.
    C1—58 to 86 centimeters (22.8 to 33.9 inches); dark yellowish brown (10YR 4/4) clay; massive parts to weak medium and coarse angular blocky; firm, moderately sticky, moderately plastic; pressure faces; fragments; slight effervescence; clear wavy boundary. Lab sample # 40A01850. Slickensides 6 inches in width and less; common fine black aggregates; tongues and pockets of very dark grayish brown (10YR 3/2) clay.
    C2—86 to 130 centimeters (33.9 to 51.2 inches); dark yellowish brown (10YR 4/4) clay; massive parts to weak coarse subangular blocky; very firm, moderately sticky, moderately plastic; very dark brown (10YR 2/2), moist, pressure faces and slickensides (pedogenic); 3 percent fine black (10YR 2/1) dark concretions; fragments; moderately acid, pH 5.8, unspecified. Lab sample # 40A01851. Slickensides from 1 to 12 inches wide; mildly alkaline except for common calcareous seams.
    C3—130 to 150 centimeters (51.2 to 59.1 inches); dark yellowish brown (10YR 4/4) clay; massive parts to weak fine angular blocky; friable, slightly sticky, slightly plastic; black (10YR 2/1), moist, pressure faces and 75 percent slickensides (pedogenic); fragments; slight effervescence. Lab sample # 40A01852. Slickensides less than 1 inch.