IDENTIFIERS

  • Current Taxon Name (Soil Name): Io
  • OSD
  • Series Extent
  • User Site ID: S1965HI009021
  • User Pedon ID: S1965HI009021
  • Vegetation Plot ID: S1965HI009021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5578
  • NCSS Pedon Lab Data NASIS Record ID - 42821
  • 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: 20.6555557
  • Std. Longitude: -156.4111176
  • Datum: WGS84
  • Location Description: Makena Quadrangle, 30 meters (100 feet) west of Makena Road in the northeast corner of Keanapuni number 2 pasture on the Ulupalakue Ranch 1.7 km (1.1 miles) southwest of State Highway 37 and Makena Road intersection.
  • State: Hawaii
  • County: HI009—Maui
  • Non-MLRA Soil Survey Area: HI980—Island of Maui, Hawaii

    • PEDON

  • Describers Name: F. G. Stephens and L. D. Giese
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 21
  • Sampled As Information:
  • Soil Name - Io
  • Classificaton Date - 4/13/1965
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/13/1965 (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

    MEPO3

    URMA3

    Medicago polymorpha

    Urochloa maxima

    burclover

    guineagrass

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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

    12

    —

    —

    439

    —

    270

    635

    —

    —

    20.6

    21.7

    19.4

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    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silt loam; weak and moderate very fine and fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 roots; 21.0 pores; fragments; slight effervescence, by hydrogen peroxide, unspecified; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 40A41863
    A12—25 to 43 centimeters (9.8 to 16.9 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; silty clay loam; weak and moderate fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 pores; fragments; slightly alkaline, pH 7.4, hellige-truog; gradual wavy boundary. Lab sample # 40A41864
    B21—43 to 63 centimeters (16.9 to 24.8 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; clay loam; weak fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 fine pores; coats on faces of peds; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 40A41865
    B22—63 to 75 centimeters (24.8 to 29.5 inches); dark reddish brown (5YR 3/3) and yellowish red (5YR 4/6), reddish brown (5YR 4/4) and yellowish red (5YR 5/6), dry; clay loam; weak and moderate fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 40A41866
    2C—75 to 98 centimeters (29.5 to 38.6 inches); black (10YR 2/1) cinders; single grain; extremely hard, loose; 0.5 fine roots; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 40A41867
    3C—98 to 113 centimeters (38.6 to 44.5 inches); dark reddish brown (5YR 3/4), reddish yellow (7.5YR 6/6), dry; loam; massive; slightly hard, friable, slightly sticky, slightly plastic; weakly smeary; 0.5 fine roots; 21.0 fine pores; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A41868