IDENTIFIERS

  • Current Taxon Name (Soil Name): Karro
  • OSD
  • Series Extent
  • User Site ID: S1964AZ003024
  • User Pedon ID: 64AZ003024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3562
  • NCSS Pedon Lab Data NASIS Record ID - 39227
  • 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: 32.0561104
  • Std. Longitude: -109.7461090
  • Datum: WGS84
  • Township: 16S
  • Range: 25E
  • Section: 11
  • PLSS Details: 1075 feet N and 600 feet E of S 1/4 corner
  • Location Description: Cochise County, AZ. 3.5 miles E and 14 miles S of Willcox, AZ.
  • State: Arizona
  • County: AZ003—Cochise
  • MLRA: 41—Madrean Archipelago

    • 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 SSL-CMS data
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - Karro
  • PSC - 25 to 102 cm.
  • Classificaton Date - 7/30/2008
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Karro Taxadjunct
  • Classificaton Date - 10/1/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1964 (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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    calcic horizon

    0—56

    81—269

    —-

    —-
    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

    0

    —

    —

    1293

    —

    28

    —

    —

    14

    17

    12

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 33 centimeters (0.0 to 13.0 inches); light brownish gray (10YR 6/2) interior, brown (10YR 4/3) interior, moist; loam; structureless massive, and moderate and strong fine granular; slightly hard, friable, slightly plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 fine interstitial pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, thymol-blue; gradual smooth boundary. Lab sample # 40A27472. 4027472; many fine and medium roots; many coarse roots; effervescence is continuous
    Ap2—33 to 56 centimeters (13.0 to 22.0 inches); light brownish gray (10YR 6/2) interior, brown (10YR 4/3) interior, moist; loam; structureless massive, and weak fine subangular blocky; slightly hard, friable, slightly sticky, slightly plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 fine interstitial pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, thymol-blue; abrupt irregular boundary. Lab sample # 40A27473. 4027473; many fine and medium roots; many coarse roots; effervescence is continuous
    Bk1—56 to 81 centimeters (22.0 to 31.9 inches); pale brown (10YR 6/3) interior and very pale brown (10YR 8/2) interior, brown (10YR 5/3) interior and 1 percent pale brown (10YR 6/3), moist; loam; structureless massive; extremely hard, firm, nonsticky, slightly plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 very fine and fine tubular pores; fragments; violent effervescence, by hcl, unspecified; strongly alkaline, pH 8.8, thymol-blue; gradual smooth boundary. Lab sample # 40A27474. 4027474; approximately 50 to 60% medium and large concretions that are extremely hard and firm; many fine and medium roots; many coarse roots; effervescence is continuous
    Bk2—81 to 107 centimeters (31.9 to 42.1 inches); very pale brown (10YR 8/2) interior and pinkish gray (7.5YR 7/2) interior, 1 percent very pale brown (10YR 7/3) and light brown (7.5YR 6/4) interior, moist; clay loam; structureless massive, and weak fine granular, and weak fine subangular blocky; very hard, friable, slightly sticky, slightly plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 very fine and fine tubular pores; fragments; violent effervescence, by hcl, unspecified; strongly alkaline, pH 8.6, thymol-blue; gradual smooth boundary. Lab sample # 40A27475. 4027475; Approximately 9% concretions that are extremely hard and firm.; many fine and medium roots; many coarse roots; effervescence is continuous
    Bk3—107 to 135 centimeters (42.1 to 53.1 inches); pinkish white (7.5YR 8/2) interior, light brown (7.5YR 6/4) interior and pink (7.5YR 7/4) interior, moist; gravelly loam; structureless massive, and weak fine granular, and weak fine subangular blocky; slightly hard, friable, slightly sticky, slightly plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 very fine and fine tubular pores; fragments; violent effervescence, by hcl, unspecified; strongly alkaline, pH 8.6, thymol-blue; clear smooth boundary. Lab sample # 40A27476. 4027476; approximately 50 to 60% 1/4 to 1 inch rounded, irregularly shaped concretions; many fine and medium roots; many coarse roots; effervescence is continuous
    Bk4—135 to 269 centimeters (53.1 to 105.9 inches); very pale brown (10YR 8/2) interior and pink (7.5YR 7/4) interior, light brown (7.5YR 6/4) interior, moist; clay loam; structureless massive, and weak fine subangular blocky; extremely hard, extremely firm*, slightly sticky, moderately plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 very fine and fine tubular and 5.5 medium tubular pores; fragments; violent effervescence, by hcl, unspecified; strongly alkaline, pH 8.8, thymol-blue; clear irregular boundary. Lab sample # 40A27477. 4027477; approximately 10 to 15% .64 to 3 cm concretions; many fine and medium roots; many coarse roots; effervescence is continuous
    2C—269 to 279 centimeters (105.9 to 109.8 inches); light brown (7.5YR 6/4) interior, brown (7.5YR 4/4) interior and 1 percent pink (7.5YR 7/4), moist; clay; 11 percent white (N 8/0) coarse distinct mottles; structureless massive, and weak fine and medium subangular blocky; hard, firm, very plastic; 5.5 fine and medium roots and 5.5 coarse roots; 5.5 very fine and fine tubular and 2.5 medium tubular pores; fragments; violent effervescence, by hcl, unspecified; strongly alkaline, pH 8.6, thymol-blue. Lab sample # 40A27478. 4027478; many fine and medium roots; many coarse roots; common coarse distinct N80 mottles; effervescence is continuous