IDENTIFIERS

  • Current Taxon Name (Soil Name): Gerst
  • OSD
  • Series Extent
  • User Site ID: S1992CO113191C
  • User Pedon ID: 92CO113191C
  • Vegetation Plot ID: S1992CO113191C
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0094
  • NCSS Pedon Lab Data NASIS Record ID - 65438
  • Print Date: 12/4/2024

    • 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: 38.1150017
  • Std. Longitude: -108.6619415
  • Datum: WGS84
  • Township: 45N
  • Range: 16W
  • Section: 32
  • State: Colorado
  • County: CO113—San Miguel
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO675—San Miguel Area, Colorado, Parts of Dolores, Montrose, and San Miguel Counties

    • PEDON

  • Describers Name: Paul Menard, Leland Sasser
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 191
  • Sampled As Information:
  • Soil Name - Gerst
  • Taxonomic Class - Loamy, mixed (calcareous), shallow Ustic Torriorthents
  • PSC - 25 to 48 cm.
  • Classificaton Date - 8/18/1992
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: structural bench
  • Hill Slope Profile: toeslope
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/18/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    C1

    C2

    C2

    C3

    C3

    0

    5

    20

    20

    38

    38

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    38

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    48

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    25

    25

    10

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    C1

    C2

    C2

    C3

    C3

    0

    5

    20

    20

    38

    38

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    38

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    48

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    C1

    C2

    C2

    C3

    C3

    0

    5

    20

    20

    38

    38

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    38

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    48

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACHY

    ARTEM

    BOGR2

    JUOS

    Achnatherum hymenoides

    Artemisia

    Bouteloua gracilis

    Juniperus osteosperma

    Indian ricegrass

    sagebrush

    blue grama

    Utah juniper

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    0—0

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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

    5

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    1.8

    1939

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    45

    330

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    9.4

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    10.6

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    A—0 to 5 centimeters (0.0 to 2.0 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; gravelly fine sandy loam; 56 percent sand; 25 percent silt; 19 percent clay; weak platy structure; slightly hard, very friable, slightly sticky, slightly plastic; moderately slow permeability; 21.0 very fine roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular pores; 0 percent by volume 250-425-600 millimeter unspecified fragments and 2 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 93P00665
    C1—5 to 20 centimeters (2.0 to 7.9 inches); light brown (7.5YR 6/4), dark yellowish brown (10YR 4/6), moist; loam; 54 percent sand; 25 percent silt; 21 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderately slow permeability; 3.0 very fine and fine roots and 0.5 coarse roots; 21.0 very fine tubular and 3.0 fine and medium tubular pores; 0 percent by volume 75-162-250 millimeter unspecified fragments and 0 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 93P00666
    C2—20 to 38 centimeters (7.9 to 15.0 inches); brownish yellow (10YR 6/6), yellowish brown (10YR 5/4), moist; gravelly sandy loam; 72 percent sand; 10 percent silt; 18 percent clay; weak fine subangular blocky, and single grain; slightly hard, very friable, slightly sticky, slightly plastic; moderately slow permeability; 3.0 very fine roots and 3.0 fine and medium roots and 0.5 coarse roots; 3.0 very fine tubular and 3.0 medium interstitial and 0.5 fine interstitial pores; 0 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.3, hellige-truog; clear wavy boundary.
    C3—38 to 48 centimeters (15.0 to 18.9 inches); pale yellow (2.5Y 7/4), light olive brown (2.5Y 5/4), moist; clay loam; 40 percent sand; 28 percent silt; 32 percent clay; massive; hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots and 0.5 fine to coarse roots; 3.0 very fine tubular and 0.5 fine tubular pores; 0 percent by volume 75-162-250 millimeter unspecified fragments and 0 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.7, hellige-truog; clear wavy boundary.
    CR—48 centimeters (18.9 inches); fragments.