IDENTIFIERS

  • Current Taxon Name (Soil Name): Llano
  • OSD
  • Series Extent
  • User Site ID: S1986TX299001
  • User Pedon ID: 86TX299001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0294
  • NCSS Pedon Lab Data NASIS Record ID - 58099
  • Print Date: 11/26/2024

    • 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: 30.6452778
  • Std. Longitude: -98.8691667
  • Datum: WGS84
  • Location Description: From TX-16 & FM-2323 Int,18.7km SW on FM-2323, 5.6km W on County rd, 2.09km W & S on private rd, 31.7m E in range
  • State: Texas
  • County: TX299—Llano
  • MLRA: 82—Texas Central Basin

    • PEDON

  • Describers Name: Coburn,Finnell,Lane,Williams,Berdanier,Allison
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Llano
  • Taxonomic Class - Loamy-skeletal, mixed, shallow Udic Haplustalfs
  • PSC - 9 to 38 cm.
  • Classificaton Date - 3/1/1986
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Hill Slope Profile: summit
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 1.45 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1986 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—9

    9—38

    —-

    —-
    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

    35

    —

    —

    401

    —

    66

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    415272

    —
    1A—0 to 9 centimeters (0.0 to 3.5 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; gravelly sandy loam; moderate fine granular structure; hard, friable; 5.5 very fine roots throughout and 5.5 fine roots throughout; 30 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 86P01734. many fine roots throughout; many very fine roots throughout
    1Bt1—9 to 23 centimeters (3.5 to 9.1 inches); reddish brown (2.5YR 4/4) interior, dark reddish brown (2.5YR 3/4) interior, moist; very gravelly sandy clay loam; moderate fine subangular blocky, and moderate very fine subangular blocky structure; hard, friable; 2.5 very fine roots throughout and 2.5 fine roots throughout; 2.5 very fine interstitial and 2.5 fine interstitial pores; 37 percent reddish brown (2.5YR 4/4) clay films on faces of peds; 40 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 86P01735. common clay films surface features on faces of peds; common fine roots throughout; common very fine roots throughout; patchy - phpvsfiid 220186; patchy - phpvsfiid 220186
    1Bt2—23 to 38 centimeters (9.1 to 15.0 inches); yellowish red (5YR 5/6) interior, yellowish red (5YR 4/6) interior, moist; sandy clay; moderate medium subangular blocky structure; very hard, firm; 0.5 very fine roots between peds and 0.5 fine roots between peds; 2.5 very fine interstitial and 2.5 fine interstitial pores; 55 percent yellowish red (5YR 5/6) clay films on faces of peds; 10 percent by volume 250-425-600 millimeter metamorphic, unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 86P01736. many clay films surface features on faces of peds; few fine roots between peds; few very fine roots between peds; continuous - phpvsfiid 220187; continuous - phpvsfiid 220187
    1Bt/C—38 to 49 centimeters (15.0 to 19.3 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; sandy clay loam; moderate fine subangular blocky structure; very hard, firm; 0.5 medium roots between peds and 0.5 fine roots between peds; 55 percent reddish brown (5YR 5/4) clay films on faces of peds; 50 percent by volume 250-425-600 millimeter metamorphic, unspecified fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 86P01737. many clay films surface features on faces of peds; few fine roots between peds; few medium roots between peds; continuous - phpvsfiid 220188; continuous - phpvsfiid 220188
    1Cr1—49 to 74 centimeters (19.3 to 29.1 inches); 55 percent reddish brown (5YR 5/4) clay films on all faces of peds; fragments; clear wavy boundary. Lab sample # 86P01738. many clay films surface features on vertical and horizontal faces of peds; discontinuous - phpvsfiid 220189; discontinuous - phpvsfiid 220189
    1Cr2—74 to 135 centimeters (29.1 to 53.1 inches); fragments. Lab sample # 86P01739