IDENTIFIERS

  • Current Taxon Name (Soil Name): Keahua
  • OSD
  • Series Extent
  • User Site ID: S1963HI009044
  • User Pedon ID: S1963HI009044
  • Vegetation Plot ID: S1963HI009044
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5612
  • NCSS Pedon Lab Data NASIS Record ID - 42855
  • 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: 20.8322220
  • Std. Longitude: -156.4855499
  • Datum: WGS84
  • Location Description: 1.29 km (.8 mile) from southeast corner of field 402, 15 meters (50 feet) west of ditch and 7.5 meters (25 feet) north from flume, Hawaiian Commercial and Sugar Company, Puunene, Maui.
  • State: Hawaii
  • County: HI009—Maui

    • PEDON

  • Describers Name: R. C. Malmgren
  • Current Taxonomic Class: Fine, kaolinitic, isohyperthermic Ustic Haplocambids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 44
  • Correlated Information:
  • Soil Name - Keahua
  • Classificaton Date - 6/15/2007
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Keahua
  • Classificaton Date - 5/24/1963
  • 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: 5/24/1963 (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

    SACCH

    Saccharum

    sugarcane

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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

    4

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    —

    —

    —

    270

    686

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    Ap1—0 to 13 centimeters (0.0 to 5.1 inches); dark reddish brown (5YR 3/3), dark reddish brown (5YR 3/2), moist; silty clay loam; weak very fine granular, and weak very fine and fine subangular blocky structure; soft, friable, slightly sticky, moderately plastic; 3.0 roots; 21.0 very fine interstitial and tubular pores; 3 percent black (10YR 2/1) iron-manganese concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 40A42097
    Ap2—13 to 25 centimeters (5.1 to 9.8 inches); dark reddish brown (5YR 3/4), dark reddish brown (5YR 3/3), moist; silty clay loam; weak medium and coarse subangular blocky structure; soft, friable, slightly sticky, moderately plastic; 21.0 roots; 21.0 very fine interstitial and tubular pores; 3 percent black (10YR 2/1) iron-manganese concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # 40A42098
    B1—25 to 38 centimeters (9.8 to 15.0 inches); dark reddish brown (5YR 3/4), dark reddish brown (5YR 3/3), moist; silty clay loam; weak medium and coarse subangular blocky structure; soft, very friable, slightly sticky, moderately plastic; 3.0 roots; 21.0 very fine and 3.0 fine tubular pores; 1 percent black (10YR 2/1) iron-manganese concretions; fragments; strong effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 40A42099
    B21—38 to 60 centimeters (15.0 to 23.6 inches); dark reddish brown (5YR 3/3), dark reddish brown (5YR 3/3), moist; silty clay loam; moderate medium parts to strong very fine and fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 0.5 roots; 21.0 very fine and fine and 0.5 medium tubular pores; 1 percent black (10YR 2/1) iron-manganese concretions; fragments; strong effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 40A42100
    B22—60 to 83 centimeters (23.6 to 32.7 inches); dark reddish brown (5YR 3/4), dark reddish brown (5YR 3/3), moist; silty clay loam; moderate very fine and fine subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; 0.5 roots; 3.0 very fine and fine tubular pores; 1 percent black (10YR 2/1) iron-manganese concretions; fragments; slight effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 40A42101
    C1—83 to 130 centimeters (32.7 to 51.2 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay loam; moderate very fine and fine subangular blocky structure; hard when dry, firm, slightly sticky, moderately plastic; pressure faces on faces of peds; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 40A42102. continuous - phpvsfiid 198212; continuous - phpvsfiid 198212
    C1—130 to 155 centimeters (51.2 to 61.0 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay loam; moderate very fine and fine subangular blocky structure; hard when dry, firm, slightly sticky, moderately plastic; pressure faces on faces of peds; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 40A42103. continuous - phpvsfiid 198213; continuous - phpvsfiid 198213
    C2—155 to 175 centimeters (61.0 to 68.9 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay loam; moderate very fine and fine subangular blocky structure; hard when dry, firm, slightly sticky, moderately plastic; pressure faces on faces of peds; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 40A42104. continuous - phpvsfiid 198214; continuous - phpvsfiid 198214