IDENTIFIERS

  • Current Taxon Name (Soil Name): Alonso
  • OSD
  • Series Extent
  • User Site ID: S1973PR083001
  • User Pedon ID: S1973PR083001
  • Vegetation Plot ID: S1973PR083001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1261
  • NCSS Pedon Lab Data NASIS Record ID - 34870
  • Print Date: 4/22/2025

    • LOCATION

  • Location Description: Sur SCD, Puerto Rico, 50 feet east of kilometer marker 67.0 on Highway 135.
  • State: Puerto Rico

    • PEDON

  • Current Taxonomic Class: Very-fine, parasesquic, isohyperthermic Oxic Dystrudepts
  • 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 - Alonso (flagged as OSD)
  • PSC - 15 to 65 cm.
  • Classificaton Date - 8/29/2016
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - ALONSO
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    COFFE

    Coffea

    coffee

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

    umbric epipedon

    cambic horizon

    0—41

    15—119

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    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

    48

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    —

    —

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    2159

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    24.4

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) clay; weak medium subangular blocky parts to granular structure; firm, slightly sticky, moderately plastic; 21.0 fine roots; fragments; very strongly acid, pH 4.8, unspecified; clear smooth boundary. Lab sample # 40A09601
    Bw1—15 to 41 centimeters (5.9 to 16.1 inches); very dark grayish brown (10YR 3/2) clay; moderate medium subangular blocky structure; firm, slightly sticky, moderately plastic; 21.0 fine roots; 10 percent faint clay films; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09602
    Bw2—41 to 64 centimeters (16.1 to 25.2 inches); dark reddish brown (2.5YR 3/4) clay; moderate fine and medium subangular blocky structure; firm, slightly sticky, moderately plastic; 3.0 fine roots; 75 percent faint clay films; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09603
    Bw3—64 to 81 centimeters (25.2 to 31.9 inches); dark reddish brown (2.5YR 3/4) clay; moderate fine subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 fine roots; 10 percent faint clay films; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09604
    Bw4—81 to 119 centimeters (31.9 to 46.9 inches); dark reddish brown (5YR 3/3) clay; 3 percent dark red (2.5YR 3/6) medium distinct mottles; weak fine and medium subangular blocky structure; firm, slightly sticky, moderately plastic; 0.5 fine roots; 10 percent faint clay films; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A09605
    BC—114 to 135 centimeters (44.9 to 53.1 inches); dark reddish brown (5YR 3/3) and dark red (2.5YR 3/6) clay; weak fine subangular blocky structure; friable, slightly sticky, moderately plastic; fragments; very strongly acid, pH 4.8, unspecified; gradual wavy boundary. Lab sample # 40A09606. 15 percent of horizon is saprolite.
    C—135 to 152 centimeters (53.1 to 59.8 inches); very dark gray (5YR 3/1) and white (5YR 8/1) clay; reddish brown (5YR 4/3) and red (2.5YR 4/6) mottles; massive; friable, slightly sticky, moderately plastic; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A09607. 90 percent saprolite.