IDENTIFIERS

  • Current Taxon Name (Soil Name): Santa Isabel
  • OSD
  • Series Extent
  • User Site ID: S1957PR079004
  • User Pedon ID: S1957PR079004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0530
  • NCSS Pedon Lab Data NASIS Record ID - 33058
  • 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: 18.0394440
  • Std. Longitude: -67.0455551
  • Datum: WGS84
  • Location Description: One-half mile east of Highway No. 116 and one-eighth mile south of old railroad tracks - 50 feet south of field road and 100 feet east of irrigation lateral. Photo GS-LR-6-84.
  • State: Puerto Rico
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto Rico
  • PEDON

  • Describers Name: C. J. Koch.
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Santa Isabel
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/9/1957
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: alluvial fan
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1957 (actual site observation date)
  • Air Photo ID: GSLR-6-84
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    2

    889

    AP—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) clay; weak fine granular structure; slightly sticky, moderately plastic; 21.0 roots; 21.0 fine pores; fragments; neutral, pH 7.0, unspecified; clear wavy boundary. Lab sample # 40A03945
    A12—23 to 43 centimeters (9.1 to 16.9 inches); very dark grayish brown (10YR 3/2) clay; moderate medium angular blocky structure; slightly sticky, moderately plastic; 21.0 roots; 0.5 fine pores; 75 percent pressure faces on faces of peds; fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A03946
    AC—43 to 63 centimeters (16.9 to 24.8 inches); very dark gray (10YR 3/1) and black (10YR 2/1) clay; moderate fine angular blocky structure; slightly sticky, moderately plastic; 21.0 roots; 21.0 fine pores; fragments; moderately alkaline, pH 8.2, unspecified; clear wavy boundary. Lab sample # 40A03947. Few fine waterworn gravel.
    C1—63 to 86 centimeters (24.8 to 33.9 inches); very dark grayish brown (10YR 3/2) clay; weak medium angular blocky structure; slightly sticky, moderately plastic; fragments; moderately alkaline, pH 8.2, unspecified; clear wavy boundary. Lab sample # 40A03948. Many fine waterworn gravel; highly polished slickenside faces.
    C2—86 to 104 centimeters (33.9 to 40.9 inches); very dark gray (10YR 3/1) clay; weak medium angular blocky structure; slightly sticky, moderately plastic; fragments; moderately alkaline, pH 8.2, unspecified. Lab sample # 40A03949. Some pockets of very dark grayish brown (10YR 3/2) from overlying horizon; few waterworn gravel; prominent slickenside faces; arbitrary boundary.
    C3—104 to 124 centimeters (40.9 to 48.8 inches); very dark gray (10YR 3/1) clay; weak medium angular blocky structure; slightly sticky, moderately plastic; fragments; moderately alkaline, pH 8.2, unspecified; clear boundary. Lab sample # 40A03950. Prominent slickenside faces.
    C4—124 to 152 centimeters (48.8 to 59.8 inches); very dark grayish brown (10YR 3/2) clay; weak medium angular blocky structure; slightly sticky, moderately plastic; 1 percent lime masses; fragments; moderately alkaline, pH 8.2, unspecified. Lab sample # 40A03951. Has appearance of clay skins but may be pressure faces.