IDENTIFIERS

  • Current Taxon Name (Soil Name): Fe
  • OSD
  • Series Extent
  • User Site ID: D99PR079005
  • User Pedon ID: D99PR079005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 40A0525
  • NCSS Pedon Lab Data NASIS Record ID - 33053
  • Print Date: 12/12/2024

    • 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: 18.0177778
  • Std. Longitude: -66.9627778
  • Datum: WGS84
  • Location Description: Fe clay, 0 to 2 percent slopes; approximately 4.3 miles south of the city of Sabana Grande from the intersection of P.R. Hwy. 102 and P.R. Hwy. 121; about 2.1 miles southwest from the intersection of P.R. Hwy. 2 and P.R. Hwy. 117; about 1000 feet west of dirt road on hay field; Lajas Municipality. (USGS Sabana Grande topographic quadrangle (1966); lat 18 degrees 1 minute 4 seconds N. and long. 66 degrees 57 minutes 46 seconds W.)
  • Map Unit: Fe—Fe clayFeA—Fe clay, 0 to 2 percent slopes
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto RicoPR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Robert B. Grossman
  • Current Taxonomic Class: Fine, smectitic, isohyperthermic Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Fe
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Fe
  • Classificaton Date - 3/14/1961
  • 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: linear
  • Slope Shape Down: linear
  • Drainage Pattern: artificial
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene And Pleistocene (quaternary) member of the Alluvium formation in the Qal group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/14/1961 (actual site observation date)
  • Air Photo ID: 7C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    A

    Bssz1

    Bssz1

    Bssz2

    Bss

    0

    18

    43

    43

    71

    107

    18

    43

    71

    71

    107

    142

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    A

    Bssz1

    Bssz1

    Bssz2

    Bss

    0

    18

    43

    43

    71

    107

    18

    43

    71

    71

    107

    142

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    A

    Bssz1

    Bssz1

    Bssz2

    Bss

    0

    18

    43

    43

    71

    107

    18

    43

    71

    71

    107

    142

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    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

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    2

    7

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    slickensides

    salt accumulations

    0—71

    43—142

    43—107

    0—43—71

    43—99—142

    41—64—81
    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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    5.5

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    220

    1157

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    365

    25.1

    26.7

    23.3

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    665097

    Lajas Substation

    Weather (NOAA)
    Ap—0 to 18 centimeters (0.0 to 7.1 inches);, dark reddish brown (5YR 3/2) broken face, moist; clay; 19 percent sand; 31 percent silt; 50 percent clay; moderate fine granular, and moderate fine angular blocky structure; very hard, firm, moderately sticky, moderately plastic; very slow permeability; 3.0 fine roots throughout; 11 percent by volume 2-?-76 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.5, pH meter, saturated paste; clear wavy boundary.; moist when described; observed in pit, small
    A—18 to 43 centimeters (7.1 to 16.9 inches);, dark reddish brown (5YR 3/3) broken face, moist; clay; 15 percent sand; 31 percent silt; 54 percent clay; moderate medium angular blocky structure; very hard, extremely firm, moderately sticky, moderately plastic; very slow permeability; 3.0 fine roots throughout; 60 percent prominent pressure faces on all faces of peds; 8 percent by volume 2-?-76 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter, saturated paste; clear smooth boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 351848; continuous - phpvsfiid 351848
    Bssz1—43 to 71 centimeters (16.9 to 28.0 inches);, dark reddish brown (5YR 3/3) broken face, moist; clay; 12 percent sand; 33 percent silt; 56 percent clay; moderate medium angular blocky structure; hard, firm, slightly sticky, moderately plastic; very slow permeability; 1.0 fine roots throughout; 30 percent prominent slickensides (pedogenic); 15 percent fine salt crystals; 6 percent by volume 2-?-76 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter, saturated paste; clear smooth boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 351849; continuous - phpvsfiid 351849
    Bssz2—71 to 107 centimeters (28.0 to 42.1 inches);, dark reddish gray (5YR 4/2) broken face, moist; clay; 13 percent sand; 33 percent silt; 54 percent clay; moderate medium angular blocky, and moderate fine angular blocky structure; hard, firm, slightly sticky, moderately plastic; very slow permeability; 1.0 fine roots throughout; 30 percent prominent slickensides (pedogenic); 1 percent fine salt crystals; 6 percent by volume 2-?-76 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter, saturated paste; diffuse wavy boundary.; moist when described; observed in pit, small. continuous - phpvsfiid 351850; continuous - phpvsfiid 351850
    Bss—107 to 142 centimeters (42.1 to 55.9 inches);, dark reddish gray (5YR 4/2) broken face, moist; clay; 21 percent sand; 30 percent silt; 49 percent clay; moderate fine angular blocky, and moderate medium angular blocky structure; hard, firm, slightly sticky, moderately plastic; very slow permeability; 30 percent prominent slickensides (pedogenic); 13 percent by volume 2-?-76 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter, saturated paste.; moist when described; observed in pit, small. continuous - phpvsfiid 351851; continuous - phpvsfiid 351851