IDENTIFIERS

  • Current Taxon Name (Soil Name): Rocky Ford
  • OSD
  • Series Extent
  • User Site ID: S2006CO089001
  • User Pedon ID: S2006CO089001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N0677
  • NCSS Pedon Lab Data NASIS Record ID - 17639
  • Print Date: 2/3/2025

    • 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: 38.0381393
  • Std. Longitude: -103.6882248
  • Datum: WGS84
  • Township: 23 S.
  • Range: 56 W.
  • Section: 21
  • PLSS Details: NW1/4
  • State: Colorado
  • County: CO089—Otero
  • MLRA: 69—Upper Arkansas Valley Rolling Plains
  • Non-MLRA Soil Survey Area: CO089—Otero County, Colorado
  • 7.5 Minute USGS Quad: 38103-A6—Rocky Ford, Colorado

    • PEDON

  • Describers Name: Lee A. Neve
  • Current Taxonomic Class: Fine-silty, mixed, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Rocky Ford
  • Taxonomic Class - Fine-silty, mixed, mesic Aridic Argiustolls
  • PSC - 23 to 73 cm.
  • Classificaton Date - 3/9/2006
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium silty
  • Landscape: river valley
  • Landform: terrace
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Flooding: rare flooding for brief periods
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/9/2006 (actual site observation date)
  • Air Photo ID: 25
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—36

    23—100

    18—36—51

    —-
    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

    0.5

    —

    —

    1267

    —

    20

    305

    —

    —

    12

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay loam; 32 percent clay; moderate fine granular structure; soft, very friable, slightly sticky, slightly plastic; fragments; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # 06N02856; moist when described;
    Bt—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; clay; 41 percent clay; strong medium angular blocky structure; extremely hard, very firm, very sticky, very plastic; 45 percent distinct clay films on all faces of peds; fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # 06N02857; moist when described;
    Btk—36 to 100 centimeters (14.2 to 39.4 inches); pale brown (10YR 6/3), yellowish brown (10YR 5/4), moist; loam; 22 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 10 percent distinct clay films on vertical faces of peds; 2 percent fine distinct irregular carbonate masses throughout; fragments; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 06N02858; moist when described;
    Bk1—100 to 170 centimeters (39.4 to 66.9 inches); light yellowish brown (10YR 6/4), brown (10YR 5/3), moist; loam; 26 percent clay; weak coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 5 percent fine faint irregular carbonate masses throughout; fragments; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 06N02859; moist when described;
    Bk2—170 to 230 centimeters (66.9 to 90.6 inches); light brown (7.5YR 6/3), brown (7.5YR 5/4), moist; clay loam; 29 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5 percent fine distinct irregular carbonate masses throughout; 3 percent by volume nonflat subrounded indurated 2-3-5 millimeter unspecified fragments; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # 06N02860; moist when described;
    2C—230 to 255 centimeters (90.6 to 100.4 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sand; single grain; loose, loose, nonsticky, nonplastic; 5 percent by volume nonflat subrounded indurated 2-5-20 millimeter unspecified fragments; slightly alkaline, pH 7.6. Lab sample # 06N02861; moist when described;