IDENTIFIERS

  • Current Taxon Name (Soil Name): Morado
  • OSD
  • Series Extent
  • User Site ID: S1961PR011003
  • User Pedon ID: S1961PR011003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0535
  • NCSS Pedon Lab Data NASIS Record ID - 33063
  • Print Date: 1/30/2025

    • 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: 18.2747333
  • Std. Longitude: -67.0743972
  • Datum: WGS84
  • Location Description: Oeste Soil Conservation District, Mayaguez, Puerto Rico, 10.4 kilometers northeast of the city of Mayaguez, 500 meters on dirt road for kilometer marker 3.85 on Highway No. 406 and 20 meters north of dirt road.
  • Country: US—United States
  • State: Puerto Rico
  • County: PR011—Anasco
  • MLRA: 270—Humid Mountains and Valleys
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: SE-MAZ—Mayaguez, Puerto Rico
  • Non-MLRA Soil Survey Area: PR684—Mayaguez Area, Puerto Rico Western Part
  • 7.5 Minute USGS Quad: TPR0017—Central La Plat, Puerto Rico

    • PEDON

  • Describers Name: L. H. Rivera
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, isohyperthermic Dystric Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Morado (flagged as OSD)
  • PSC - 25 to 84 cm.
  • Classificaton Date - 1/9/2014
  • Classifier - Samuel Rios
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Morado
  • Taxon Kind - series
  • Classificaton Date - 12/6/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from volcanic rock
  • Landscape: upland
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Drainage Pattern: dendritic
  • Runoff: high
  • Drainage Class: well
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/6/1961 (actual site observation date)
  • Air Photo ID: GSLR-3-36
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - 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

    cambic horizon

    lithic contact

    18—43

    84—

    —-

    —-
    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

    55

    —

    —

    55

    —

    270

    2019

    —

    365

    25.4

    26.6

    23.9

    —

    —

    —

    —

    —

    666083

    Mayaguez Airport

    Weather (NOAA)
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark reddish gray (10R 4/1) clay loam; 31 percent sand; 40 percent silt; 30 percent clay; weak fine subangular blocky structure; friable, slightly sticky, moderately plastic; Ksat of 5 um/s; moderate permeability; low excavation difficulty; common (3.0) fine roots; fragments; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # 40A03977. Fails semiplastically.
    Bw—18 to 43 centimeters (7.1 to 16.9 inches); reddish gray (5YR 5/2) clay loam; 26 percent sand; 54 percent silt; 29 percent clay; 1 percent weak red (10R 5/3) fine faint and 1 percent reddish brown (2.5YR 5/3) fine faint and 1 percent yellowish red (5YR 5/6) fine faint mottles; weak fine granular, and weak fine subangular blocky structure; friable, slightly sticky, moderately plastic; Ksat of 5 um/s; moderate permeability; low excavation difficulty; common (3.0) fine roots; fragments; slightly acid, pH 6.2, pH meter; gradual wavy boundary. Lab sample # 40A03978. Approximately 5 percent of highly weathered saprolite material with the following colors 2.5YR 4/2; 5YR 4/6 and 5YR 4/3.
    BC—43 to 61 centimeters (16.9 to 24.0 inches); variegated dark reddish gray (5YR 4/2) and dark gray (5YR 4/1) and brown (7.5YR 4/2) loam; 26 percent sand; 48 percent silt; 26 percent clay; weak fine subangular blocky structure; friable, slightly sticky, moderately plastic; Ksat of 5 um/s; moderate permeability; low excavation difficulty; few (1.0) fine roots; fragments; slightly acid, pH 6.1, pH meter; clear wavy boundary. Lab sample # 40A03979. Approximately 30 percent of highly weathered saprolite material with the following colors 2.5YR 4/2; 5YR 4/6 and 5YR 4/3.
    C—61 to 84 centimeters (24.0 to 33.1 inches); variegated brown (7.5YR 4/2) and dark reddish gray (5YR 4/2) and gray (5YR 5/1) loam; 41 percent sand; 47 percent silt; 13 percent clay; massive; friable, nonsticky, slightly plastic; Ksat of 5 um/s; moderate permeability; low excavation difficulty; fragments; slightly acid, pH 6.1, pH meter; clear wavy boundary. Lab sample # 40A03980. This horizon consist of highly weathered saprolite material with visible rock structure. Low excavation difficulty and ripable with hand tools.
    R—84 to 109 centimeters (33.1 to 42.9 inches); very high excavation difficulty; fragments.