IDENTIFIERS

  • Current Taxon Name (Soil Name): Karro
  • OSD
  • Series Extent
  • User Site ID: S1964AZ003023
  • User Pedon ID: S1964AZ003023
  • User Site Association ID: AZ665-pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3561
  • NCSS Pedon Lab Data NASIS Record ID - 39226
  • 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: 32.0537376
  • Std. Longitude: -109.8789902
  • Datum: WGS84
  • Township: 16S
  • Range: 24E
  • Section: 11
  • PLSS Details: 1075 feet north and 600 feet east of the south 1/4 corner
  • Location Description: 3-1/2 miles east and 14 miles south of Willcox, Arizona.
  • State: Arizona
  • County: AZ003—Cochise
  • PEDON

  • Describers Name: James Jay and M. L. Richardson
  • Current Taxonomic Class: Coarse-loamy, carbonatic, thermic Petronodic Haplocalcids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 23
  • Correlated Information:
  • Soil Name - Karro
  • PSC - 25 to 100 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

    1

    1283

    279

    14.4

    25

    16.1

    AP1—0 to 18 centimeters (0.0 to 7.1 inches); light brownish gray (10YR 6/2), dark yellowish brown (10YR 3/4), moist; loam; massive parts to moderate fine granular; slightly hard, friable, slightly sticky, moderately plastic; medium and coarse roots and 3.0 fine roots; 21.0 fine interstitial pores; fragments; violent effervescence; moderately alkaline, pH 8.2, thymol-blue; clear smooth boundary. Lab sample # 40A27465; moist when described;
    AP2—18 to 30 centimeters (7.1 to 11.8 inches); pale brown (10YR 6/3) and light brown (7.5YR 6/4), dark yellowish brown (10YR 3/4), moist; loam; massive parts to weak and moderate medium subangular blocky; slightly hard, friable, slightly sticky, moderately plastic; medium and coarse roots and 3.0 fine roots; 21.0 fine interstitial pores; fragments; violent effervescence; moderately alkaline, pH 8.2, thymol-blue; clear wavy boundary. Lab sample # 40A27466; moist when described;
    C1CA—30 to 51 centimeters (11.8 to 20.1 inches); light brown (7.5YR 6/4) and pink (7.5YR 7/4), brown (7.5YR 5/4) and light brown (7.5YR 6/4), moist; loam; massive; hard when dry, friable, slightly sticky, moderately plastic; 3.0 fine and medium roots; 3.0 fine interstitial and tubular pores; 1 percent fine and medium carbonate nodules; fragments; violent effervescence; moderately alkaline, pH 8.4, thymol-blue; gradual smooth boundary. Lab sample # 40A27467; moist when described;
    C2CA—51 to 69 centimeters (20.1 to 27.2 inches); pinkish white (7.5YR 8/2), pinkish gray (7.5YR 7/2), moist; gravelly loam; pinkish gray (7.5YR 7/2) mottles; massive; very hard, friable, weakly coherent, slightly sticky, moderately plastic; 0.5 fine tubular and 3.0 interstitial pores; 50 percent fine and medium carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual smooth boundary. Lab sample # 40A27468; moist when described;
    C3CA—69 to 107 centimeters (27.2 to 42.1 inches); pinkish white (7.5YR 8/2), light brown (7.5YR 6/4) and pinkish gray (7.5YR 7/2), moist; gravelly loam; pink (7.5YR 7/4) mottles; weak medium and coarse prismatic parts to moderate fine and medium angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.5 fine roots; 21.0 very fine and fine tubular and 3.0 interstitial pores; 35 percent fine and medium carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; clear wavy boundary. Lab sample # 40A27469; moist when described;
    C4CA—107 to 142 centimeters (42.1 to 55.9 inches); pinkish white (7.5YR 8/2), light brown (7.5YR 6/4) and pinkish gray (7.5YR 7/2), moist; gravelly loam; pink (7.5YR 7/4) mottles; weak medium and coarse prismatic parts to moderate fine and medium angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.5 fine roots; 21.0 very fine and fine tubular and 3.0 interstitial pores; 60 percent carbonate concretions; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue; clear wavy boundary. Lab sample # 40A27470; moist when described;
    C5CA—149 to 190 centimeters (58.7 to 74.8 inches); pinkish gray (7.5YR 7/2), pinkish white (7.5YR 8/2), moist; clay loam; white (10YR 8/1) and pinkish gray (7.5YR 7/2) mottles; massive parts to weak fine and medium subangular blocky; very hard, firm, weakly coherent, moderately sticky, moderately plastic; 0.0 roots; 21.0 very fine and fine tubular and 0.5 medium tubular and 3.0 fine interstitial pores; fragments; violent effervescence; strongly alkaline, pH 8.6, thymol-blue. Lab sample # 40A27471; moist when described;