IDENTIFIERS

  • Current Taxon Name (Soil Name): Baca
  • OSD
  • Series Extent
  • User Site ID: 96CO628003
  • User Pedon ID: 96CO628003
  • Vegetation Plot ID: 96CO628003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 97P0587
  • NCSS Pedon Lab Data NASIS Record ID - 10268
  • 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: 37.2271111
  • Std. Longitude: -103.6033889
  • Datum: WGS84
  • Township: 32 S.
  • Range: 55 W.
  • Section: 24
  • PLSS Details: 2,200 feet east and 2,350 feet south of the northwest corner
  • Map Unit: BaA—Baca silt loam, 0 to 3 percent slopes
  • State: Colorado
  • County: CO071—Las Animas
  • MLRA: 67B—Central High Plains, Southern Part
  • Non-MLRA Soil Survey Area: CO628—Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties
  • 7.5 Minute USGS Quad: 37103-B5—Tobe, Colorado

    • PEDON

  • Describers Name: LAN
  • Current Taxonomic Class: Fine, smectitic, mesic Calcidic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 711
  • Sampled As Information:
  • Soil Name - Baca
  • Taxonomic Class - Fine, smectitic, mesic Calcidic Haplustalfs
  • PSC - 5 to 76 cm.
  • Classificaton Date - 4/10/1996
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: plains
  • Landform: plain
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/1996 (actual site observation date)
  • Air Photo ID: 29-F
  • Plant Association Name: Loamy
  • 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 % % % % % % % % % % % % %

    Btk1

    Btk2

    BCk

    Bk

    30

    56

    76

    112

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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

    Btk1

    Btk2

    BCk

    Bk

    30

    56

    76

    112

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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 %

    Btk1

    Btk2

    BCk

    Bk

    30

    56

    76

    112

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    22

    22

    24

    39

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

    ARLOG

    BOGR2

    GUSA2

    MUTO2

    NAVI4

    OPPO

    PAOB

    PASM

    SPCR

    Aristida longispica var. geniculata

    Bouteloua gracilis

    Gutierrezia sarothrae

    Muhlenbergia torreyi

    Nassella viridula

    Opuntia polyacantha

    Panicum obtusum

    Pascopyrum smithii

    Sporobolus cryptandrus

    slimspike threeawn

    blue grama

    broom snakeweed

    ring muhly

    green needlegrass

    plains pricklypear

    vine mesquite

    western wheatgrass

    sand dropseed

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

    ochric epipedon

    argillic horizon

    calcic horizon

    0—5

    5—76

    30—152

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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

    1

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    1765

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    105

    406

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    11.1

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    10.6

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    A—0 to 5 centimeters (0.0 to 2.0 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; silty clay loam; moderate very fine granular structure; soft, very friable, slightly sticky, slightly plastic; 10.0 very fine and fine roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary.; dry when described; observed in trench
    Bt—5 to 30 centimeters (2.0 to 11.8 inches); brown (10YR 4/3), brown (10YR 4/3) crushed, moist; silty clay loam; strong fine and medium prismatic parts to strong fine and medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 1.0 very fine roots; 30 percent distinct clay films on faces of peds; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary.; dry when described;. continuous - phpvsfiid 111233; continuous - phpvsfiid 111233
    Btk1—30 to 56 centimeters (11.8 to 22.0 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 4/4), moist; silty clay; strong medium prismatic parts to strong fine and medium angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.1 very fine roots; 30 percent distinct clay films on faces of peds; 5 percent medium irregular carbonate masses throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear smooth boundary.; dry when described;. patchy - phpvsfiid 111234; patchy - phpvsfiid 111234
    Btk2—56 to 76 centimeters (22.0 to 29.9 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; silty clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.1 very fine roots; 30 percent distinct clay films on faces of peds; 2 percent fine irregular carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary.; dry when described;. patchy - phpvsfiid 111235; patchy - phpvsfiid 111235
    BCk—76 to 112 centimeters (29.9 to 44.1 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; silty clay loam; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.1 very fine roots; 1 percent fine irregular carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt irregular boundary.; moist when described;
    Bk—112 to 152 centimeters (44.1 to 59.8 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; massive; soft, friable, slightly sticky, slightly plastic; 0.1 fine and medium roots; 40 percent fine irregular carbonate masses throughout and 5 percent medium irregular throughout; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.6, hellige-truog.; moist when described;