IDENTIFIERS

  • Current Taxon Name (Soil Name): Galvez
  • OSD
  • Series Extent
  • User Site ID: 97LA101011
  • User Pedon ID: 97LA101011
  • User Site Association ID: LA101
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0460
  • NCSS Pedon Lab Data NASIS Record ID - 10143
  • Print Date: 4/24/2025
  • 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: 29.8453197
  • Std. Longitude: -91.6541672
  • Datum: WGS84
  • Township: 14 S.
  • Range: 8 E.
  • Section: 13
  • PLSS Details: SE 1/4, NW 1/4, NE 1/4
  • Location Description: about 17 miles southeast of New Iberia on U.S. Hgy. 90 to the intersection with State Route 318; 1.37 miles southwest on State Route 318 to a road 300 feet south of Bayou Cypremort; 2,000 feet southwest on road to a curve; then 25 feet southwest into field
  • Map Unit: GaA—Galvez silt loam, 0 to 1 percent slopes
  • State: Louisiana
  • County: LA101—St. Mary
  • MLRA: 131A—Southern Mississippi River Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA101—St. Mary Parish, Louisiana
  • 7.5 Minute USGS Quad: 29091-G6—Kemper, Louisiana
  • PEDON

  • Describers Name: Charles Guillory and Doug Slabaugh
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Galvez
  • PSC - 20 to 70 cm.
  • Classificaton Date - 10/14/2004
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Galvez
  • Classificaton Date - 4/24/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: river valley
  • Landform: natural levee
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/24/1997 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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—20

    20—114

    —-

    —-

    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

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots throughout; 4.0 fine pores; 3 percent faint pale brown (10YR 6/3) silt coats on faces of peds; 10 percent fine faint brown (10YR 4/3) masses of oxidized iron between peds; fragments; strongly acid, pH 5.5, hellige-truog; diffuse smooth boundary. Lab sample # 97P2744
    Bt—20 to 44 centimeters (7.9 to 17.3 inches); 30 percent grayish brown (10YR 5/2) and 35 percent brown (10YR 5/3) silty clay loam; moderate medium subangular blocky structure; firm; 4.0 fine roots between peds; 4.0 fine and medium pores; 55 percent distinct dark grayish brown (10YR 4/2) clay films on all faces of peds; 25 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron between peds; fragments; moderately acid, pH 5.7, hellige-truog; diffuse wavy boundary. Lab sample # 97P2745
    Btg1—44 to 65 centimeters (17.3 to 25.6 inches); grayish brown (10YR 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots throughout; 4.0 fine and medium pores; 30 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds and in pores; 25 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 97P2746
    Btg2—65 to 90 centimeters (25.6 to 35.4 inches); grayish brown (10YR 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent distinct dark grayish brown (10YR 4/2) clay films in root channels and/or pores; 1 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron and 1 percent faint gray (10YR 5/1) iron depletions and 30 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; neutral, pH 6.6, hellige-truog; diffuse wavy boundary. Lab sample # 97P2747
    Btg3—90 to 114 centimeters (35.4 to 44.9 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent distinct dark grayish brown (2.5Y 4/2) clay films in root channels and/or pores; 1 percent fine faint gray (2.5Y 5/1) iron depletions between peds and 30 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron between peds; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2748
    Bg—114 to 133 centimeters (44.9 to 52.4 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; very friable; 1.0 fine roots throughout; 4.0 fine pores; 1 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron throughout; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 97P2749
    BCg1—133 to 159 centimeters (52.4 to 62.6 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 4.0 fine pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 3 percent fine distinct brown (10YR 4/3) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2750
    BCg2—159 to 173 centimeters (62.6 to 68.1 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 1.0 fine roots; 4.0 fine pores; 5 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 3 percent fine distinct brown (10YR 4/3) masses of oxidized iron throughout and 30 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # 97P2751
    BCg3—173 to 210 centimeters (68.1 to 82.7 inches); grayish brown (2.5Y 5/2) silt loam; weak fine subangular blocky structure; friable; 4.0 fine pores; 5 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent fine prominent very dark brown (10YR 2/2) iron-manganese masses between peds and 30 percent fine distinct light olive brown (2.5Y 5/4) masses of oxidized iron throughout; fragments; neutral, pH 6.9, hellige-truog; diffuse wavy boundary. Lab sample # 97P2752
    2Cg—210 to 230 centimeters (82.7 to 90.6 inches); grayish brown (2.5Y 5/2) silty clay; weak fine subangular blocky structure; firm, very sticky, very plastic; 10.0 fine tubular pores; 55 percent faint dark gray (2.5Y 4/1) organic stains in root channels and/or pores; 1 percent iron-manganese concretions between peds and 30 percent medium prominent extremely weakly coherent cemented very dark brown (10YR 2/2) iron-manganese masses between peds and 30 percent fine prominent dark yellowish brown (10YR 4/4) masses of oxidized iron between peds; fragments; neutral, pH 6.7, hellige-truog. Lab sample # 97P2753