IDENTIFIERS

  • Current Taxon Name (Soil Name): Trinidad
  • OSD
  • Series Extent
  • User Site ID: 96FN930017
  • User Pedon ID: 96FN930017
  • Vegetation Plot ID: 96FN930017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0052
  • NCSS Pedon Lab Data NASIS Record ID - 68527
  • Print Date: 11/21/2024
  • 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: -33.6644173
  • Std. Longitude: -56.8618317
  • Datum: WGS84
  • Location Description: Estancia San Pablo, Uruguay; Flores Department; About 10 km south of Trinidad; About 1 km east of ruta 23; About 1 km southeast of Chuchilla Forongas
  • Country: UY—Uruguay
  • State: Foreign
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Typic Hapluderts
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 17
  • Sampled As Information:
  • Soil Name - Trinidad
  • Taxonomic Class - Fine, smectitic, thermic Typic Hapluderts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/21/1996
  • Moisture Class - udic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Cretaceous mudstone
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/21/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MESA

    Medicago sativa

    alfalfa

    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

    3

    500

    300

    140

    135

    1100

    17

    A1—0 to 8 centimeters (0.0 to 3.1 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate fine subangular blocky, and moderate medium granular structure; hard, friable, moderately sticky, very plastic; 3.0 very fine and fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 97P00345
    A2—8 to 26 centimeters (3.1 to 10.2 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate fine and medium subangular blocky structure; very hard, friable, very sticky, very plastic; 3.0 very fine and fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; pressure faces; fragments; noneffervescent; clear smooth boundary. Lab sample # 97P00346
    Bss—26 to 51 centimeters (10.2 to 20.1 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 3.0 very fine and fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; pressure faces and slickensides (pedogenic); fragments; noneffervescent; clear wavy boundary. Lab sample # 97P00347
    Btss—51 to 70 centimeters (20.1 to 27.6 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate coarse prismatic, and moderate fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; pressure faces and slickensides (pedogenic) and 2 percent faint brown (7.5YR 4/4), moist, clay films on faces of peds and in pores; fragments; noneffervescent; abrupt wavy boundary. Lab sample # 97P00348. discontinuous - phpvsfiid 195044; discontinuous - phpvsfiid 195044
    Btkss1—70 to 93 centimeters (27.6 to 36.6 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; 5 percent very dark gray (10YR 3/1) mottles; moderate coarse prismatic, and moderate fine and medium angular blocky structure; very hard, firm, very sticky, very plastic; 0.1 very fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; pressure faces and 1 percent distinct clay films on faces of peds and in pores; 2 percent spherical 10YR (10YR) carbonate concretions throughout; fragments; strong effervescence; clear wavy boundary. Lab sample # 97P00349. Ped Surface: On oblique pressure faces. Initial Slickensides; discontinuous - phpvsfiid 195047; discontinuous - phpvsfiid 195047
    Btkss2—93 to 138 centimeters (36.6 to 54.3 inches); brown (7.5YR 4/3), brown (7.5YR 5/3), dry; clay; 3 percent very dark gray (10YR 3/1) mottles; moderate fine and medium angular blocky structure; very hard, very firm, very sticky, very plastic; 0.1 very fine roots; 0.1 very fine tubular and 3.0 very fine interstitial and tubular pores; 5 percent spherical 10YR (10YR) carbonate concretions throughout; fragments; slight effervescence; clear wavy boundary. Lab sample # 97P00350. Ped Surface Features: On oblicue pressure faces
    Btkss3—138 to 160 centimeters (54.3 to 63.0 inches); brown (7.5YR 4/4), brown (7.5YR 5/4), dry; clay; 4 percent very dark gray (7.5YR 3/1) mottles; moderate fine subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.1 very fine roots; 0.1 very fine to medium tubular and 3.0 very fine interstitial and tubular pores; 2 percent irregular 10YR (10YR) carbonate concretions throughout; fragments; noneffervescent. Lab sample # 97P00351. Ped Surface Features: On oblique pressure faces.
    2Bk—160 to 195 centimeters (63.0 to 76.8 inches); brown (7.5YR 5/4), brown (7.5YR 5/4), dry; clay loam; 4 percent strong brown (7.5YR 4/6) and 4 percent white (10YR 8/1) distinct mottles; weak fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine tubular and 3.0 very fine interstitial and tubular pores; 1 percent irregular carbonate threads; fragments; noneffervescent. Lab sample # 97P00352. Texture: Sands are easily seen with hand lens. The texture by feel is not very sandy however. Ped Surface Feature: Sandstone pieces.