IDENTIFIERS

  • Current Taxon Name (Soil Name): Gerst
  • OSD
  • Series Extent
  • User Site ID: S1992CO113191B
  • User Pedon ID: 92CO113191B
  • Vegetation Plot ID: S1992CO113191B
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0093
  • NCSS Pedon Lab Data NASIS Record ID - 65437
  • Print Date: 11/11/2024

    • 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
  • Location Description: T. 42 N. recorded on description changed to T45N
  • 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 - 0 to 28 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
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • 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

    Bw

    C

    0

    5

    15

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    25

    10

    20

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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

    Bw

    C

    0

    5

    15

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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

    Bw

    C

    0

    5

    15

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

    BOGR2

    JUOS

    OPUNT

    Bouteloua gracilis

    Juniperus osteosperma

    Opuntia

    blue grama

    Utah juniper

    pricklypear

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

    ochric epipedon

    0—0

    —-
    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

    18

    4

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    1939

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    135

    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), brown (10YR 4/3), moist; gravelly fine sandy loam; 64 percent sand; 20 percent silt; 16 percent clay; weak fine and medium granular structure; soft, very friable, slightly sticky, slightly plastic; moderately slow permeability; 21.0 very fine roots and 3.0 fine to coarse roots; 3.0 very fine interstitial and 21.0 very fine tubular pores; 0 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 93P00661. 92P0664 is 1/4-1/2 cm litter.
    Bw—5 to 15 centimeters (2.0 to 5.9 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/6), moist; loam; 57 percent sand; 20 percent silt; 23 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; moderate permeability; 3.0 very fine roots and 3.0 fine to coarse roots; 3.0 very fine and fine tubular pores; 0 percent by volume 250-425-600 millimeter unspecified fragments and 3 percent by volume 75-162-250 millimeter unspecified fragments and 10 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 93P00662
    C—15 to 28 centimeters (5.9 to 11.0 inches); pale yellow (2.5Y 7/4), light olive brown (2.5Y 5/4), moist; gravelly loam; 59 percent sand; 20 percent silt; 21 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine and fine roots and 0.5 medium roots and 3.0 coarse roots; 3.0 very fine tubular pores; 0 percent by volume 250-425-600 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.6, hellige-truog; clear wavy boundary. Lab sample # 93P00663
    CR—28 centimeters (11.0 inches); fragments.