IDENTIFIERS

  • Current Taxon Name (Soil Name): Unnamed
  • OSD
  • Series Extent
  • User Site ID: S1957PR079005
  • User Pedon ID: S1957PR079005
  • Vegetation Plot ID: S1957PR079005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0543
  • NCSS Pedon Lab Data NASIS Record ID - 33071
  • Print Date: 4/28/2024
  • 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: 17.9933338
  • Std. Longitude: -66.9672241
  • Datum: WGS84
  • Location Description: 200 feet south of Highway No. 116 and 1/4 mile east of headquarters of Irizarry farm. Photo No. GS-LR-10-51.
  • State: Puerto Rico
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto Rico
  • PEDON

  • Describers Name: C. J. Koch
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Unnamed
  • PSC - 25 to 96 cm.
  • Classificaton Date - 9/10/1957
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 9/10/1957 (actual site observation date)
  • Air Photo ID: GSLR10-51
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    PROSO

    Prosopis

    mesquite

    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

    686

    AP—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) clay; moderate medium angular blocky structure; moderately sticky, moderately plastic; fragments; moderately alkaline, pH 8.2, unspecified; abrupt wavy boundary. Lab sample # 40A04013. Few stones of various shapes and sizes.
    C1—15 to 28 centimeters (5.9 to 11.0 inches); dark yellowish brown (10YR 3/4) clay; moderate coarse angular blocky structure; very sticky, moderately plastic; 10 percent pressure faces and 10 percent clay films on rock fragments; fragments; strongly alkaline, pH 8.7, unspecified; clear smooth boundary. Lab sample # 40A04014
    C2—28 to 48 centimeters (11.0 to 18.9 inches); dark yellowish brown (10YR 4/4) clay; strong coarse angular blocky structure; moderately sticky, moderately plastic; 75 percent pressure faces; fragments; strongly alkaline, pH 8.7, unspecified; abrupt wavy boundary. Lab sample # 40A04015. Some evidence of slickenside activity; many volcanic fragments; common fine lime specks.
    2C3—48 to 71 centimeters (18.9 to 28.0 inches); clay; massive; extremely hard; 75 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; gradual boundary. Lab sample # 40A04016. Appears to be a stone line.
    3C4—71 to 97 centimeters (28.0 to 38.2 inches); dark reddish brown (5YR 3/2) coarse sandy loam; massive; hard when dry; fragments. Lab sample # 40A04017. Many fine greenish blue crystals.