IDENTIFIERS

  • Current Taxon Name (Soil Name): Cabo Rojo
  • OSD
  • Series Extent
  • User Site ID: S1987PR007008
  • User Pedon ID: 87PR007008
  • Vegetation Plot ID: S1987PR007008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0299
  • NCSS Pedon Lab Data NASIS Record ID - 59594
  • 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: 18.0883331
  • Std. Longitude: -67.1866684
  • Datum: WGS84
  • Location Description: Puerto Rico Suroeste SWCD; 200 feet N in pasture 1.4 mi S on paved Rd from junction of HWY 102 & 1.2 mi W of junction HWY 102
  • State: Puerto Rico
  • County: PR007—Aguas Buenas
  • MLRA: 272—Humid Coastal Plains
  • PEDON

  • Describers Name: D. Williams, W. Lynn, G. Acevedo, L. Rivera
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 8
  • Sampled As Information:
  • Soil Name - Cabo Rojo
  • Taxonomic Class - Very-fine, oxidic Typic Hapludalfs
  • PSC - 28 to 78 cm.
  • Classificaton Date - 4/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: coastal plain
  • Landform: terrace—outwash or marine
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    URMA3

    Urochloa maxima

    guineagrass

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

    ochric epipedon

    argillic horizon

    0—28

    28—203

    —-

    —-

    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

    5

    6

    270

    26

    27

    24

    29

    30

    27

    1A—0 to 28 centimeters (0.0 to 11.0 inches); dark reddish brown (5YR 3/3) interior clay; weak fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 5.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct organic stains in root channels and/or pores; 2 percent by volume 75-162-250 millimeter unspecified fragments and 3 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.2, bromcresol green; clear wavy boundary. Lab sample # 87P01506; dry when described;. Concentration of pebbles at base of A.; few organic coats surface features in root channels and/or pores; many fine roots throughout; patchy - phpvsfiid 231968; patchy - phpvsfiid 231968
    1Bt1—28 to 55 centimeters (11.0 to 21.7 inches); reddish brown (5YR 4/4) interior clay; weak medium subangular blocky, and weak fine subangular blocky structure; hard, very firm, moderately sticky, moderately plastic; 2.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct , moist, clay films in root channels and/or pores and 15 percent distinct , moist, clay films on faces of peds; 2 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, bromcresol green; clear smooth boundary. Lab sample # 87P01507; moist when described;. Few old roots, frag are subrounded, few old roots.; few clay films surface features in root channels and/or pores; few clay films surface features on faces of peds; common fine roots throughout; discontinuous - phpvsfiid 231970; patchy - phpvsfiid 231969; discontinuous - phpvsfiid 231970; patchy - phpvsfiid 231969
    1Bt2—55 to 89 centimeters (21.7 to 35.0 inches); reddish brown (5YR 4/4) interior clay; 1 percent dark red (2.5YR 3/6) fine distinct and 1 percent pale olive (5Y 6/3) fine distinct mottles; weak medium subangular blocky, and weak fine subangular blocky structure; friable, slightly sticky, moderately plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; fragments; very strongly acid, pH 5.0, bromcresol green; clear smooth boundary. Lab sample # 87P01508; moist when described;. Few old roots.; common clay films surface features on faces of peds; few fine roots throughout; few fine distinct 2.5YR36 mottles; few fine distinct 5Y63 mottles; discontinuous - phpvsfiid 231971; discontinuous - phpvsfiid 231971
    1Bt3—89 to 116 centimeters (35.0 to 45.7 inches); red (2.5YR 4/6) interior clay loam; 1 percent light brownish gray (10YR 6/2) fine distinct and 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium subangular blocky, and weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.8, bromcresol green; clear smooth boundary. Lab sample # 87P01509; moist when described;. Mottles tend to be horizontal, few old roots.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few fine roots throughout; common medium distinct 10YR56 mottles; few fine distinct 10YR62 mottles; discontinuous - phpvsfiid 231972; discontinuous - phpvsfiid 231972
    1Bt4—116 to 147 centimeters (45.7 to 57.9 inches); reddish brown (5YR 4/4) interior clay loam; 1 percent dark red (2.5YR 3/6) fine distinct and 1 percent light brownish gray (10YR 6/2) fine distinct and 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse prismatic structure; friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.8, bromcresol green; clear wavy boundary. Lab sample # 87P01510; moist when described;. Few old roots.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; few fine roots throughout; common medium distinct 10YR56 mottles; few fine distinct 2.5YR36 mottles; few fine distinct 10YR62 mottles; discontinuous - phpvsfiid 231973; discontinuous - phpvsfiid 231973
    1Bt5—147 to 203 centimeters (57.9 to 79.9 inches); yellowish brown (10YR 5/6) interior clay loam; 1 percent reddish brown (5YR 4/4) fine distinct and 1 percent very pale brown (10YR 8/2) fine distinct and 11 percent dark red (2.5YR 3/6) medium distinct mottles; weak coarse prismatic structure; friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/4), moist, manganese or iron-manganese stains on faces of peds and 15 percent distinct , moist, clay films on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; very strongly acid, pH 4.8, bromcresol green; clear wavy boundary. Lab sample # 87P01511; moist when described;. Few old roots.; few fine iron-manganese concretions concentrations; few manganese or iron-manganese stains surface features on faces of peds; few clay films surface features on faces of peds; few fine roots throughout; common medium distinct 2.5YR36 mottles; few fine distinct 5YR44 mottles; few fine distinct 10YR82 mottles; discontinuous - phpvsfiid 231974; discontinuous - phpvsfiid 231975; discontinuous - phpvsfiid 231974; discontinuous - phpvsfiid 231975
    1C1—203 to 225 centimeters (79.9 to 88.6 inches); yellowish brown (10YR 5/4) interior clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct and 11 percent light gray (10YR 7/1) medium distinct mottles; massive; friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct , moist, manganese or iron-manganese stains on faces of peds and 15 percent distinct , moist, clay films in root channels and/or pores; 1 percent fine spherical iron-manganese concretions; fragments; moderately acid, pH 6.0, bromcresol green; clear wavy boundary. Lab sample # 87P01512; moist when described;. few fine iron-manganese concretions concentrations; few manganese or iron-manganese stains surface features on faces of peds; few clay films surface features in root channels and/or pores; few fine roots throughout; common medium distinct 10YR56 mottles; common medium distinct 10YR71 mottles; discontinuous - phpvsfiid 231976; discontinuous - phpvsfiid 231977; discontinuous - phpvsfiid 231976; discontinuous - phpvsfiid 231977
    1C2—225 to 245 centimeters (88.6 to 96.5 inches); light yellowish brown (2.5Y 6/4) interior clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct and 11 percent yellow (10YR 7/6) medium distinct mottles; massive; firm, slightly sticky, slightly plastic; 0.5 fine tubular pores; 11 percent medium irregular iron-manganese masses; fragments; moderately acid, pH 6.0, bromcresol green. Lab sample # 87P01513; moist when described;. common medium soft masses of iron-manganese concentrations; common medium distinct 10YR56 mottles; common medium distinct 10YR76 mottles