IDENTIFIERS

  • Current Taxon Name (Soil Name): Fraternidad
  • OSD
  • Series Extent
  • User Site ID: D99PR079001
  • User Pedon ID: D99PR079001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 94P0845
  • NCSS Pedon Lab Data NASIS Record ID - 67016
  • 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: 18.0388889
  • Std. Longitude: -67.0680556
  • Datum: WGS84
  • Location Description: Fraternidad clay, 0 to 2 percent slopes; approximately 1.1 miles southwest of the city of Lajas from the intersection of PR Hwy. 315 and PR Hwy. 101; about 0.7 mile southeast of Palmarejo community from the intersection of PR Hwy. 306 and PR Hwy. 101; about 0.5 mile northeast of the administration Building of the Lajas Agricultural Experiment Station of the University of Puerto Rico-Mayaguez Campus; about 300 feet southeast from dirt road on pasture field; Lajas Municipality. (USGS San German topographic quadrangle (1966); lat. 18 degrees 02 minutes 20 minutes N. and long. 67 degrees 04 minutes 05 seconds W.)
  • Map Unit: FrA—Fraternidad clay, 0 to 2 percent slopesFrA—Fraternidad clay, 0 to 2 perecent slopes
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto RicoPR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Roy L. Vick, John R. Davis
  • Current Taxonomic Class: Fine, smectitic, isohyperthermic Typic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Fraternidad
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Fraternidad
  • Classificaton Date - 6/17/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvial sediments from mixed origin
  • Landscape: basin
  • Landform: fan skirt
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Drainage Pattern: artificial
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene And Pleistocene (quaternary) member of the Alluvium formation in the Qal group.
  • Surface Fragments: 2.00 percent 2- to 76-millimeter mixed,
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/17/1994 (actual site observation date)
  • Air Photo ID: 6C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    slickensides

    0—33

    33—165

    15—36—127

    50—60—89
    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

    —

    —

    26

    —

    300

    1157

    —

    365

    25.1

    26.7

    23.3

    —

    —

    —

    —

    —

    665097

    Lajas Substation

    Weather (NOAA)
    Ap—0 to 33 centimeters (0.0 to 13.0 inches);, very dark gray (10YR 3/1) broken face, moist; clay; 23 percent sand; 29 percent silt; 48 percent clay; strong coarse granular, and strong medium granular structure; very firm, moderately sticky, moderately plastic; very slow permeability; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10 percent fine iron-manganese concretions; 2 percent by volume 2-?-76 millimeter mixed fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary.; moist when described; observed in pit, large or quarry
    ABss—33 to 43 centimeters (13.0 to 16.9 inches);, 60 percent very dark grayish brown (10YR 3/2) broken face and 40 percent brown (10YR 4/3) broken face, moist; clay; 18 percent sand; 28 percent silt; 54 percent clay; strong medium angular blocky, and strong coarse angular blocky structure; firm, moderately sticky, moderately plastic; very slow permeability; 3.0 very fine roots throughout; 10 percent distinct slickensides (pedogenic); 10 percent fine iron-manganese concretions; 3 percent by volume 2-?-76 millimeter mixed fragments; moderately alkaline, pH 8.1, hellige-truog; clear irregular boundary.; moist when described; observed in pit, large or quarry
    Bss1—43 to 107 centimeters (16.9 to 42.1 inches);, dark yellowish brown (10YR 4/4) broken face, moist; clay; 12 percent sand; 33 percent silt; 56 percent clay; strong medium angular blocky, and strong coarse angular blocky structure; firm, moderately sticky, moderately plastic; very slow permeability; 3.0 very fine roots throughout; 10 percent distinct slickensides (pedogenic); 10 percent fine iron-manganese concretions; 1 percent fine carbonate, finely disseminated; 2 percent by volume 2-?-76 millimeter mixed fragments; moderately alkaline, pH 8.1, hellige-truog; gradual wavy boundary.; moist when described; observed in pit, large or quarry
    Bss2—107 to 165 centimeters (42.1 to 65.0 inches);, 70 percent dark yellowish brown (10YR 4/6) broken face and 30 percent brown (10YR 4/3) broken face, moist; clay; 7 percent sand; 26 percent silt; 67 percent clay; strong medium angular blocky, and strong coarse angular blocky structure; firm, moderately sticky, moderately plastic; very slow permeability; 3.0 very fine roots throughout; 3 percent faint slickensides (pedogenic); 25 percent fine iron-manganese concretions and 25 percent medium iron-manganese concretions; 10 percent fine carbonate, finely disseminated; 2 percent by volume 2-?-76 millimeter mixed fragments; moderately alkaline, pH 8.1, hellige-truog.; moist when described; observed in pit, large or quarry