IDENTIFIERS

  • Current Taxon Name (Soil Name): Cartagena
  • OSD
  • Series Extent
  • User Site ID: S2017PR079004
  • User Pedon ID: S2017PR079004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N0521
  • User Project ID: LAJA_004_NEON
  • Project Name: Lajas Experimental Station
  • Print Date: 12/9/2025

    • 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: 18.0175900
  • Std. Longitude: -67.0811200
  • Datum: WGS84
  • Location Description: Site is located 1.19 miles southwest from the UPRM-Lajas Experiment Station. Site is located on private farmland dedicate to hay production.
  • Map Unit: CeA—Cartagena clay, 0 to 2 percent slopes
  • Country: RQ—Puerto Rico
  • State: Puerto Rico
  • County: PR079—Lajas
  • MLRA: 273—Semiarid Coastal Plains
  • Non-MLRA Soil Survey Area: PR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Samuel Rios
  • Current Taxonomic Class: Fine, mixed, superactive, isohyperthermic Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Cartagena
  • Taxonomic Class - Fine, mixed, superactive, isohyperthermic Sodic Haplusterts
  • Taxon Kind - series
  • PSC - 35 to 100 cm.
  • Classificaton Date - 8/10/2017
  • Classifier - Samuel Rios
  • Soil Taxonomic Edition - twelfth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


    • SITE

  • Parent Material: clayey marine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: basin floor
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - LAJA_004
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 45
  • Plot Baseline Length - 2
  • Plot Width - 40
  • Plot/Site Set Up By - Center of Pit
  • Plot or Site Recorder - Debbie Anderson

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/10/2017 (actual site observation date)
  • Data Collector: Samul Rios
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    slickensides

    35—100

    —65—
    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

    —

    —

    —

    —

    1175

    —

    365

    25.2

    26.7

    23.3

    —

    —

    —

    —

    —

    665097

    LAJAS SUBSTN

    SERCC
    Ap—0 to 35 centimeters (0.0 to 13.8 inches);, black (10YR 2/1) broken face, moist; clay; strong medium subangular blocky, and strong coarse subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; many very fine roots throughout and many fine roots throughout; common fine irregular and common fine tubular pores; 5 percent by volume nonflat rounded very strongly coherent cemented 2-5-20 millimeter mixed fragments observed by visual inspection method; noneffervescent; neutral, pH 7.0; clear wavy boundary. Lab sample # 18N02659; dry when described; observed in pit, small
    Bss—35 to 58 centimeters (13.8 to 22.8 inches); clay; strong very coarse subangular blocky, and strong coarse subangular blocky structure; extremely hard, very firm, moderately sticky, very plastic; common very fine roots throughout and common fine roots throughout; common medium irregular and common fine tubular and common fine irregular pores; 30 percent prominent slickensides (pedogenic); 5 percent by volume nonflat rounded very strongly coherent cemented 2-5-20 millimeter mixed fragments observed by visual inspection method; noneffervescent; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 18N02660; dry when described; observed in pit, small
    Bkssz—58 to 100 centimeters (22.8 to 39.4 inches);, black (10YR 2/1) broken face, moist; clay; strong very coarse wedge, and strong coarse wedge structure; extremely hard, very firm, moderately sticky, very plastic; common very fine roots throughout and common fine roots throughout; common medium irregular and common fine irregular pores; 30 percent slickensides (pedogenic); 1 percent fine yellowish brown (10YR 5/8) masses of oxidized iron on faces of peds; 1 percent fine light yellowish brown (10YR 6/4), moist, carbonate masses on faces of peds and 10 percent fine white (10YR 8/1), dry, salt crystals and 10 percent medium white (10YR 8/1), dry, salt crystals; 5 percent by volume nonflat rounded very strongly coherent cemented 2-5-20 millimeter mixed fragments observed by visual inspection method; noneffervescent; moderately alkaline, pH 8.0. Lab sample # 18N02661; dry when described; observed in pit, small