IDENTIFIERS

  • Current Taxon Name (Soil Name): Karro
  • OSD
  • Series Extent
  • User Site ID: S1964AZ003022
  • User Pedon ID: S1964AZ003022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A0708
  • NCSS Pedon Lab Data NASIS Record ID - 33771
  • Print Date: 2/16/2025

    • 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: 32.1063881
  • Std. Longitude: -109.7580566
  • Datum: WGS84
  • Township: 15S
  • Range: 25E
  • Section: 26
  • PLSS Details: 250 feet south and 250 feet west of the northeast corner
  • Location Description: 10 miles south and 4 miles east of Willcox via the Kansas Settlement Road
  • State: Arizona
  • County: AZ003—Cochise

    • PEDON

  • Describers Name: James Jay and M. L. Richardson
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Calcic Paleargids
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Karro
  • PSC - 36 to 63 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Karro
  • Classificaton Date - 10/21/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: valley
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/21/1964 (actual site observation date)
  • 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

    —

    —

    1282

    —

    279

    —

    —

    5

    25

    —

    22.2

    28.9

    —

    —

    —

    —

    —

    —
    AP—0 to 23 centimeters (0.0 to 9.1 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; loam; moderate very fine and fine granular structure; slightly hard, very friable, slightly sticky, moderately plastic; 21.0 fine and medium roots; 21.0 fine interstitial pores; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; clear smooth boundary. Lab sample # 40A05246; moist when described;
    A12—23 to 36 centimeters (9.1 to 14.2 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; loam; massive parts to moderate very fine and fine granular; slightly hard, very friable, slightly sticky, moderately plastic; 21.0 fine and medium roots; 0.5 fine tubular and 21.0 fine interstitial pores; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; clear smooth boundary. Lab sample # 40A05247; moist when described;
    B2TCA—36 to 48 centimeters (14.2 to 18.9 inches); pinkish gray (7.5YR 6/2), pinkish gray (7.5YR 6/2), moist; clay; brown (7.5YR 5/4) and 3 percent pinkish gray (7.5YR 7/2) medium faint mottles; moderate fine and medium prismatic parts to moderate medium and coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 fine and medium roots; 3.0 fine and medium tubular and fine interstitial pores; clay films on faces of peds; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; clear wavy boundary. Lab sample # 40A05248; moist when described;. continuous - phpvsfiid 187493; continuous - phpvsfiid 187493
    B3TCA—48 to 63 centimeters (18.9 to 24.8 inches); pinkish gray (7.5YR 6/2) and light brown (7.5YR 6/4), pinkish gray (7.5YR 6/2), moist; clay loam; brown (7.5YR 5/2) and brown (7.5YR 5/4) and 21 percent pinkish white (7.5YR 8/2) fine and medium faint mottles; massive parts to moderate fine and medium subangular blocky; very hard, firm, moderately sticky, moderately plastic; 0.5 fine tubular pores; clay bridges and 30 percent clay films on faces of peds and in pores; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual wavy boundary. Lab sample # 40A05249; moist when described;
    C1CA—63 to 84 centimeters (24.8 to 33.1 inches); pink (7.5YR 7/4) and pink (7.5YR 8/4), pink (7.5YR 7/4), moist; clay loam; massive parts to moderate fine angular blocky, and subangular blocky; very hard, firm, slightly sticky, moderately plastic; 0.0 roots; 0.5 fine tubular pores; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual smooth boundary. Lab sample # 40A05250; moist when described;