IDENTIFIERS

  • Current Taxon Name (Soil Name): Arecibo
  • OSD
  • Series Extent
  • User Site ID: S1973PR145001
  • User Pedon ID: S1973PR145001
  • Vegetation Plot ID: S1973PR145001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1258
  • NCSS Pedon Lab Data NASIS Record ID - 34867
  • Print Date: 1/30/2025

    • LOCATION

  • Location Description: Norte SCD, Puerto Rico. 600 meters west of kilometer marker 15.2 of highway 686, municipality of Vega Baja, Arecibo Soil Survey Area.
  • State: Puerto Rico

    • PEDON

  • Describers Name: Luis H. Rivera
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Arecibo
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/3/2003
  • Sampled As Information:
  • Soil Name - ARECIBO
  • Classificaton Date - 11/6/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Runoff: low
  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/6/1973 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DIER

    Digitaria eriantha

    digitgrass

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    —

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

    ochric epipedon

    albic horizon

    spodic horizon

    0—30

    30—150

    150—208

    —-

    —-

    —-
    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

    3

    —

    —

    —

    —

    1524

    —

    —

    25.6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 15 centimeters (0.0 to 5.9 inches); gray (10YR 5/1) fine sand; single grain; loose, nonsticky, nonplastic; 21.0 fine roots; 50 percent spherical black (10YR 2/1) dark concretions; fragments; very strongly acid, pH 4.8, unspecified; clear smooth boundary. Lab sample # 40A09570
    A12—15 to 30 centimeters (5.9 to 11.8 inches); gray (10YR 6/1) and gray (10YR 5/1) fine sand; single grain; loose, nonsticky, nonplastic; 3.0 fine roots; 15 percent spherical black (10YR 2/1) dark concretions; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09571
    A21—30 to 50 centimeters (11.8 to 19.7 inches); gray (10YR 6/1) fine sand; single grain; loose, nonsticky, nonplastic; 0.5 fine roots; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09572
    A22—50 to 72 centimeters (19.7 to 28.3 inches); white (10YR 8/1) fine sand; single grain; loose, nonsticky, nonplastic; 0.5 fine roots; fragments; very strongly acid, pH 4.8, unspecified; diffuse wavy boundary. Lab sample # 40A09573
    A23—72 to 101 centimeters (28.3 to 39.8 inches); white (10YR 8/1) fine sand; single grain; loose, nonsticky, nonplastic; 0.5 fine roots; fragments; very strongly acid, pH 4.8, unspecified; gradual wavy boundary. Lab sample # 40A09574
    A24—101 to 149 centimeters (39.8 to 58.7 inches); white (10YR 8/1) fine sand; single grain; loose, nonsticky, nonplastic; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09575. 10YR 4/3 where decayed roots are found.
    B11—149 to 173 centimeters (58.7 to 68.1 inches); brown (10YR 5/3) fine sand; single grain; loose, nonsticky, nonplastic; fragments; very strongly acid, pH 4.8, unspecified; abrupt wavy boundary. Lab sample # 40A09576
    B12H—173 to 188 centimeters (68.1 to 74.0 inches); black (10YR 2/1) and very dark grayish brown (10YR 3/2) and very dark brown (10YR 2/2) stony sand; single grain; loose, nonsticky, nonplastic; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09577. The black layer is the uppermost, about 1 centimeter thick, followed by the very dark grayish brown and very dark brown.
    B13H—188 to 208 centimeters (74.0 to 81.9 inches); yellowish brown (10YR 5/4) and yellowish brown (10YR 5/8) loamy sand; single grain; loose, nonsticky, nonplastic; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09578. These are wavy, 1 to 3 cm thick, 8 cm apart to where they merge together and occupy 15 percent of the horizon.
    B21T—208 to 226 centimeters (81.9 to 89.0 inches); very pale brown (10YR 8/4) and white (10YR 8/1) and brown (10YR 5/3) and reddish yellow (7.5YR 6/8) sandy loam; massive; firm, strongly coherent, slightly sticky, slightly plastic; fragments; very strongly acid, pH 4.8, unspecified; gradual wavy boundary. Lab sample # 40A09579. sandy loam with tongues of Bh about 3 cm. in diameter in the upper boundary, diminishing to zero and 5 to 10 cm. apart; Yellowish bodies, possible remnants of degrading argillic horizon comprise 20 to 30 percent of horizon.
    B22T—226 to 234 centimeters (89.0 to 92.1 inches); very pale brown (10YR 8/4) and white (10YR 8/1) and brown (10YR 5/3) and reddish yellow (7.5YR 6/8) sandy loam; massive; firm, strongly coherent, slightly sticky, slightly plastic; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09580
    C—234 to 289 centimeters (92.1 to 113.8 inches); white (5Y 8/1) and light gray (5Y 7/2) sand; single grain; loose, nonsticky, nonplastic; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A09581. This horizon has a sulfide smell.