IDENTIFIERS

  • Current Taxon Name (Soil Name): Karro
  • OSD
  • Series Extent
  • User Site ID: S1979AZ003005
  • User Pedon ID: 79AZ003005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0267
  • NCSS Pedon Lab Data NASIS Record ID - 47000
  • Print Date: 11/12/2024

    • 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: 31.6605549
  • Std. Longitude: -109.6347198
  • Datum: WGS84
  • Township: 20S
  • Range: 27E
  • Section: 30
  • PLSS Details: 31 meters E and 519 meters N of the SW corner
  • Location Description: Cochise County, AZ. 5 km E 2 km S of Elfrida.
  • State: Arizona
  • County: AZ003—Cochise

    • PEDON

  • Describers Name: S. D. Hutchinson and M. L. Richardson
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Karro
  • Taxonomic Class - Fine-loamy, carbonatic Ustollic Calciorthids
  • Classificaton Date - 6/1/1979
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: plain
  • Runoff: medium
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1979 (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
    • 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

    —

    —

    1274

    —

    180

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    —

    —

    —

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    1Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 5/3) interior, brown (10YR 4/3) interior, moist; loam; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 2.5 very fine and fine roots; 2.5 very fine and fine interstitial and 0.5 very fine vesicular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear smooth boundary. Lab sample # 79P01412. common very fine and fine roots
    1A12—15 to 35 centimeters (5.9 to 13.8 inches); brown (10YR 5/3) interior, brown (10YR 4/3) interior, moist; loam; moderate medium and coarse subangular blocky structure; very hard, firm, nonsticky, nonplastic; 2.5 very fine and fine roots; 2.5 very fine and fine interstitial and tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 79P01413. Many gopher burrows.; common very fine and fine roots
    1C1ca—35 to 63 centimeters (13.8 to 24.8 inches); white (10YR 8/1) interior, light gray (10YR 7/2) interior, moist; clay loam; massive, and moderate medium platy; hard, firm, moderately sticky, slightly plastic; 2.5 very fine and fine roots; 2.5 very fine and fine tubular pores; 30 percent coarse carbonate concretions and 30 percent fine and medium carbonate concretions; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 79P01414. Lime concretions within a matrix of soft lime.; many fine and medium lime concretions concentrations; many coarse lime concretions concentrations; common very fine and fine roots
    1C2ca—63 to 84 centimeters (24.8 to 33.1 inches); white (10YR 8/1) interior, light gray (10YR 7/2) interior, moist; loam; massive, and moderate medium platy; hard, friable, slightly sticky, nonplastic; 2.5 very fine and fine roots; 2.5 very fine and fine tubular and 0.5 very fine interstitial pores; 15 percent clay films in root channels and/or pores; 30 percent coarse carbonate concretions and 30 percent fine and medium carbonate concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 79P01415. Lime concretions within a matrix of soft lime.; many fine and medium lime concretions concentrations; many coarse lime concretions concentrations; few clay films surface features in root channels and/or pores; common very fine and fine roots
    1C3ca—84 to 112 centimeters (33.1 to 44.1 inches); white (10YR 8/1) interior, light gray (10YR 7/2) interior, moist; clay loam; massive; hard, friable, moderately sticky, slightly plastic; 0.5 very fine roots; 2.5 very fine and fine tubular and 0.5 very fine interstitial pores; 30 percent coarse carbonate concretions and 30 percent fine and medium carbonate concretions; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 79P01416. Lime concretions within a matrix of soft lime.; many fine and medium lime concretions concentrations; many coarse lime concretions concentrations; few very fine roots
    2B21tca—112 to 155 centimeters (44.1 to 61.0 inches); very pale brown (10YR 7/3) interior, light yellowish brown (10YR 6/4) interior, moist; clay loam; massive; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine and fine tubular and 0.5 very fine interstitial pores; 15 percent clay films in root channels and/or pores and 15 percent clay films on faces of peds; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog. Lab sample # 79P01417. few clay films surface features in root channels and/or pores; few clay films surface features on faces of peds; few very fine roots