IDENTIFIERS

  • Current Taxon Name (Soil Name): Dacosta
  • OSD
  • Series Extent
  • User Site ID: S1988TX469003
  • User Pedon ID: S1988TX469003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 89P0034
  • NCSS Pedon Lab Data NASIS Record ID - 61139
  • User Project ID: 9-ROS-SDJR-FY16
  • Project Name: SDJR - MLRA 150A - Dacosta 0 to 1
  • Print Date: 5/20/2024

    • 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: 28.6802778
  • Std. Longitude: -96.7877778
  • Datum: WGS84
  • Location Description: Victoria County, TX. 1.6 mi (2.5 km) SE of Placedo on US87, 1.0 mi (1.6 km) NE on gravel road, 0.22 mi (360 m) SE on farm lane.
  • State: Texas
  • County: TX469—Victoria
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX469—Victoria County, Texas

    • PEDON

  • Describers Name: J. Jacobs, W. Miller, and L. Wilding
  • Current Taxonomic Class: Fine, smectitic, hyperthermic Vertic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Dacosta
  • PSC - 25 to 76 cm.
  • Classificaton Date - 4/21/2009
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Dacosta
  • Classificaton Date - 9/1/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: loamy fluviomarine deposits derived from igneous and metamorphic rock and/or alluvium derived from mixed and/or alluvium derived from mixed
  • Landscape: relict meander belt
  • Landform: flat
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1988 (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 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 % % % % % % % % % % % % %

    A1

    A2

    Bt1

    Bt2

    Bt3

    Btk1

    Btk2

    2BCt

    0

    12

    26

    55

    81

    110

    146

    188

    12

    26

    55

    81

    110

    146

    188

    215

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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

    A1

    A2

    Bt1

    Bt2

    Bt3

    Btk1

    Btk2

    2BCt

    0

    12

    26

    55

    81

    110

    146

    188

    12

    26

    55

    81

    110

    146

    188

    215

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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 %

    A1

    A2

    Bt1

    Bt2

    Bt3

    Btk1

    Btk2

    2BCt

    0

    12

    26

    55

    81

    110

    146

    188

    12

    26

    55

    81

    110

    146

    188

    215

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

    ochric epipedon

    argillic horizon

    0—25

    25—188

    —-

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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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    13

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    97

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    21

    28

    13

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    A1—0 to 12 centimeters (0.0 to 4.7 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; sandy clay loam; weak medium and coarse subangular blocky structure; hard, friable; 5.5 fine roots; 5.0 fine and medium irregular pores; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 89P00360
    A2—12 to 26 centimeters (4.7 to 10.2 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; sandy clay loam; weak coarse subangular blocky structure; hard, friable; 2.5 fine roots; 2.0 fine dendritic tubular pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 89P00361
    Bt1—26 to 55 centimeters (10.2 to 21.7 inches); dark gray (10YR 4/1), gray (10YR 5/1), dry; sandy clay loam; weak very coarse prismatic parts to weak medium angular blocky structure; very hard, firm; 0.5 medium roots and 2.5 fine roots; 5 percent faint pressure faces and 10 percent faint very dark gray (10YR 3/1) clay films on all faces of peds; 1 percent fine iron-manganese concretions and 1 percent fine prominent very dark gray (10YR 4/6) masses of oxidized iron with sharp boundaries lining pores; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 89P00362
    Bt2—55 to 81 centimeters (21.7 to 31.9 inches); dark gray (10YR 4/1), gray (10YR 5/1), dry; sandy clay; weak medium angular blocky structure; very hard, firm; 0.5 fine and medium roots; 0.5 very fine and fine dendritic tubular pores; 10 percent distinct pressure faces and 10 percent faint very dark gray (10YR 3/1) clay films; 1 percent fine iron-manganese concretions and 1 percent fine prominent very dark gray (10YR 4/6) masses of oxidized iron with sharp boundaries lining pores; fragments; neutral, pH 6.7; clear wavy boundary. Lab sample # 89P00363
    Bt3—81 to 110 centimeters (31.9 to 43.3 inches); dark gray (10YR 4/1), gray (10YR 5/1), dry; clay; weak fine and medium subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 very fine dendritic tubular pores; 1 percent fine iron-manganese concretions; fragments; neutral, pH 7.2; gradual wavy boundary. Lab sample # 89P00364
    Btk1—110 to 146 centimeters (43.3 to 57.5 inches); light brownish gray (2.5Y 6/2), light brownish gray (2.5Y 6/2), dry; sandy clay; weak fine and medium subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 very fine dendritic tubular pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films; 1 percent fine iron-manganese concretions; 1 percent fine carbonate concretions; fragments; slightly alkaline, pH 7.8; gradual wavy boundary. Lab sample # 89P00365
    Btk2—146 to 188 centimeters (57.5 to 74.0 inches); light brownish gray (10YR 6/2), light gray (10YR 7/2), dry; sandy clay loam; weak fine and medium subangular blocky structure; very hard, firm; 0.5 fine roots; 12 percent distinct , moist, clay films on vertical faces of peds; 1 percent fine iron-manganese concretions and 10 percent coarse prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix; 5 percent coarse carbonate masses and 2 percent fine carbonate concretions; fragments; slightly alkaline, pH 7.7; gradual wavy boundary. Lab sample # 89P00366
    2BCt—188 to 215 centimeters (74.0 to 84.6 inches); very pale brown (10YR 7/4), very pale brown (10YR 7/4), dry; sandy clay loam; weak coarse subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 very fine dendritic tubular pores; 12 percent , moist, clay films on vertical faces of peds; 1 percent medium distinct light brownish gray (10YR 6/2) iron depletions with sharp boundaries in matrix and 1 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix; fragments; slightly alkaline, pH 7.5. Lab sample # 89P00367
    2C1—215 to 274 centimeters (84.6 to 107.9 inches); pale brown (10YR 6/3) fine sandy loam; 11 percent yellowish brown (10YR 5/4) medium distinct mottles; fragments; moderately alkaline, pH 8.1. Lab sample # 89P00368
    2C2—274 to 320 centimeters (107.9 to 126.0 inches); pale brown (10YR 6/3) sandy clay loam; 1 percent light yellowish brown (10YR 6/4) medium distinct and 11 percent yellowish red (5YR 5/6) fine distinct mottles; fragments; moderately alkaline, pH 8.4. Lab sample # 89P00369
    2C3—320 to 368 centimeters (126.0 to 144.9 inches); light gray (10YR 7/2) sand; fragments; moderately alkaline, pH 8.2. Lab sample # 89P00370
    2C4—368 to 406 centimeters (144.9 to 159.8 inches); very pale brown (10YR 7/3) sand; 11 percent olive yellow (2.5Y 6/6) medium and coarse distinct mottles; fragments; moderately alkaline, pH 8.1. Lab sample # 89P00371
    2C5—406 to 495 centimeters (159.8 to 194.9 inches); light yellowish brown (10YR 6/4) sand; 11 percent olive yellow (2.5Y 6/6) medium distinct mottles; fragments; moderately alkaline, pH 8.1. Lab sample # 89P00372