IDENTIFIERS

  • Current Taxon Name (Soil Name): Cartagena
  • OSD
  • Series Extent
  • User Site ID: S2014PR079001
  • User Pedon ID: S2014PR079001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • 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: 18.0218444
  • Std. Longitude: -67.0760833
  • Datum: WGS84
  • Location Description: Located inside grazing plots of the University of Puerto Rico dairy farm. 200 meters south of main building on farm trail. Approximately 200 meters west of road 101.
  • Country: US—United States
  • State: Puerto Rico
  • County: PR079—Lajas
  • MLRA: 271—Semiarid Mountains and Valleys
  • Regional Office: SE—Southeast
  • Non-MLRA Soil Survey Area: PR787—San German Area, Southwestern Puerto Rico
  • 7.5 Minute USGS Quad: TPR0065—San German, Puerto Rico

    • PEDON

  • Describers Name: Matos, Manuel
  • Current Taxonomic Class: Fine, mixed, superactive, isohyperthermic Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Cartagena
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/8/2014
  • Classifier - Matos, Manuel
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Current Crop - hay crops, annuals
  • Hydric: no
  • QC Status: level 1


    • SITE

  • Parent Material: clayey marine deposits over alluvium derived from volcanic rock
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot or Site Recorder - M. Matos, S. Rios

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/8/2014 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    gypsum accumulations

    salt accumulations

    redox concentrations

    abrupt textural change

    redox depletions with chroma 2 or less

    abrupt textural change

    strongly contrasting particle size class

    abrupt textural change

    0—83

    27—107

    55—145

    55—107

    83—203

    107—164

    145—203

    164—176

    164—176

    176—203

    —83—

    —80—

    —90—

    —52—

    —120—

    —57—

    —58—

    —12—

    —12—

    —27—
    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

    —

    —

    40

    —

    225

    100

    —

    —

    25

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 27 centimeters (0.0 to 10.6 inches);, black (10YR 2/1) broken face, moist; clay; strong fine subangular blocky parts to strong medium granular, and strong fine subangular blocky parts to strong coarse granular structure; very hard, extremely firm, very sticky, very plastic; high toughness; high penetration resistance; very slow permeability; high excavation difficulty; common (3.0) very fine roots throughout and common (3.0) fine roots throughout; many (5.0) medium moderate-continuity interstitial and many (5.0) fine moderate-continuity interstitial pores; 2 percent distinct pressure faces on vertical faces of peds; fragments; ch unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear wavy boundary.; moist when described; observed in pit, large or quarry. continuous - phpvsfiid 1195318; continuous - phpvsfiid 1195318
    ABss—27 to 55 centimeters (10.6 to 21.7 inches);, black (10YR 2/1), moist; clay; weak medium subangular blocky structure; very hard, extremely firm, very sticky, very plastic; high toughness; high penetration resistance; very slow permeability; high excavation difficulty; common (2.0) very fine roots throughout and common (2.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and common (2.0) very fine moderate-continuity irregular and few (1.0) fine moderate-continuity vesicular pores; 20 percent prominent slickensides (pedogenic) on all faces of peds; fragments; ch unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary.; moist when described; observed in pit, large or quarry
    Bssyz—55 to 83 centimeters (21.7 to 32.7 inches);, 75 percent very dark brown (10YR 2/2) and 25 percent very dark grayish brown (10YR 3/2), moist; clay; weak medium subangular blocky structure; very hard, extremely firm, very sticky, very plastic; high toughness; high penetration resistance; very slow permeability; high excavation difficulty; few (1.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and few (1.0) very fine moderate-continuity vesicular and common (2.0) very fine moderate-continuity vesicular pores; 20 percent prominent slickensides (pedogenic) on all faces of peds; 1 percent fine prominent gypsum crystal clusters and 1 percent fine prominent white (10YR 8/1), moist, gypsum masses and 1 percent fine prominent gypsum crystal clusters; fragments; ch unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary.; moist when described; observed in pit, large or quarry
    Bkssyz—83 to 107 centimeters (32.7 to 42.1 inches);, 90 percent dark yellowish brown (10YR 4/4) and 10 percent very dark grayish brown (10YR 3/2), moist; clay; weak medium subangular blocky structure; slightly hard, firm, very sticky, very plastic; high toughness; high penetration resistance; very slow permeability; high excavation difficulty; few (1.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and common (2.0) very fine moderate-continuity irregular pores; 5 percent prominent slickensides (pedogenic) on all faces of peds; 1 percent fine distinct spherical manganese masses with sharp boundaries throughout and 1 percent medium distinct spherical manganese masses throughout and 2 percent medium prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds and 5 percent fine prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds; 5 percent fine prominent gypsum crystal clusters and 5 percent fine prominent white (10YR 8/1), moist, gypsum masses and 5 percent fine prominent gypsum crystal clusters; fragments; ch unified classification; first stage carbonates developed in the fine earth fraction; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary.; moist when described; observed in pit, large or quarry
    2Bky—107 to 145 centimeters (42.1 to 57.1 inches);, brown (10YR 4/3), moist; sandy clay; weak medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; medium toughness; moderate penetration resistance; slow permeability; high excavation difficulty; few (1.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and common (2.0) very fine moderate-continuity irregular pores; 5 percent medium prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds and 10 percent fine prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds and 10 percent fine distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 10 percent medium distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout; 1 percent fine prominent gypsum crystal clusters and 1 percent fine prominent white (10YR 8/1), moist, gypsum masses and 1 percent fine prominent gypsum crystal clusters; fragments; ch unified classification; first stage carbonates developed in the fine earth fraction; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary.; moist when described; observed in pit, large or quarry
    2C—145 to 164 centimeters (57.1 to 64.6 inches);, brown (10YR 4/3), moist; sandy clay loam; massive; slightly hard, very friable, slightly sticky, moderately plastic; low toughness; moderate penetration resistance; moderate permeability; moderate excavation difficulty; few (1.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and common (2.0) very fine moderate-continuity irregular pores; 1 percent medium prominent dark greenish gray (10Y 4/1), moist, iron depletions with clear boundaries on faces of peds and 5 percent medium prominent strong brown (7.5YR 4/6), moist, iron-manganese masses with clear boundaries on faces of peds and 5 percent coarse distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 5 percent medium distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout; 1 percent by volume subrounded 2-10-25 millimeter volcanic, unspecified fragments; sc unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; abrupt smooth boundary.; moist when described; observed in pit, large or quarry
    3C—164 to 176 centimeters (64.6 to 69.3 inches);, brown (10YR 4/3), moist; sandy loam; massive; loose, very friable, nonsticky, nonplastic; low toughness; low penetration resistance; rapid permeability; low excavation difficulty; few (1.0) fine roots throughout; common (3.0) very fine moderate-continuity irregular pores; 1 percent medium prominent dark greenish gray (10Y 4/1), moist, iron depletions with clear boundaries on faces of peds and 1 percent fine distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 1 percent fine distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 5 percent medium prominent strong brown (7.5YR 4/6), moist, iron-manganese masses with clear boundaries on faces of peds; 10 percent by volume subrounded 2-15-25 millimeter volcanic, unspecified fragments; sp-sm unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions; abrupt smooth boundary.; moist when described; observed in pit, large or quarry
    4C—176 to 203 centimeters (69.3 to 79.9 inches);, brown (10YR 4/3), moist; silty clay; massive; hard, firm, very sticky, very plastic; high toughness; high penetration resistance; very slow permeability; high excavation difficulty; few (1.0) fine roots throughout; common (1.0) very fine moderate-continuity tubular and common (2.0) very fine moderate-continuity irregular pores; 20 percent prominent slickensides (geogenic) on all faces of peds; 1 percent fine distinct spherical black (10YR 2/1), moist, manganese masses with sharp boundaries throughout and 5 percent medium prominent greenish gray (10Y 5/1), moist, iron depletions with clear boundaries on faces of peds and 25 percent medium prominent strong brown (7.5YR 5/8), moist, iron-manganese masses with clear boundaries on faces of peds; 10 percent by volume subrounded 2-15-25 millimeter volcanic, unspecified fragments; ch unified classification; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions.; moist when described; observed in pit, large or quarry