IDENTIFIERS

  • Current Taxon Name (Soil Name): Segno
  • OSD
  • Series Extent
  • User Site ID: S1964TX339004
  • User Pedon ID: 64TX339004
  • Vegetation Plot ID: S1964TX339004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4459
  • NCSS Pedon Lab Data NASIS Record ID - 40612
  • 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: 30.2166672
  • Std. Longitude: -95.4916687
  • Datum: WGS84
  • Location Description: 7 mi. S-SW of Conroe, 50 feet S & 0.3 mi E of intersection of 3rd EW compartment rd. NW entrance rd on W side.
  • State: Texas
  • County: TX339—Montgomery

    • PEDON

  • Describers Name: G.S. McKee
  • Current Taxonomic Class: Fine-loamy, siliceous, thermic Plinthic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Segno
  • Classificaton Date - 7/30/2008
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Segno
  • Classificaton Date - 5/1/1964
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1964 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PITA

    Pinus taeda

    loblolly pine

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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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    50

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    1A1—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; fine sandy loam; soft, very friable, nonsticky; 1 percent worm casts; fragments; moderately acid, pH 6.0, hellige-truog; clear irregular boundary. Lab sample # 40A34101. structureless but slightly cohesive. Contains plentiful tree, shrub and grass roots.; few worm casts concentrations
    1A2—15 to 30 centimeters (5.9 to 11.8 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; fine sandy loam; soft, very friable, nonsticky; 2.5 fine tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; clear irregular boundary. Lab sample # 40A34102. structureless; contains occas. worm casts; plentiful pine tree, shrub, and grass roots.
    1B21t—30 to 53 centimeters (11.8 to 20.9 inches); yellowish brown (10YR 5/6) interior, brownish yellow (10YR 6/6) interior, dry; fine sandy loam; weak angular blocky, and weak subangular blocky structure; hard, friable, slightly sticky; 2.5 fine tubular pores; 1 percent worm casts; fragments; moderately acid, pH 5.7, hellige-truog; gradual boundary. Lab sample # 40A34103. contains common # of tree and shrub roots; contains occas. strongly-cemented brn Fe-Mn.; few worm casts concentrations
    1B22t—53 to 74 centimeters (20.9 to 29.1 inches);, brownish yellow (10YR 6/6) interior, dry; fine sandy loam; weak subangular blocky, and structureless angular blocky structure; hard, friable, slightly sticky; 2.5 roots; 2.5 fine and medium tubular pores; fragments; strongly acid, pH 5.5, hellige-truog; gradual boundary. Lab sample # 40A34104. contains a few subrounded brwnsh hard Fe-Mn up to 1.5cm in dia, and some have dark cntrs while some have red cntrs.; common roots
    1B23t—74 to 107 centimeters (29.1 to 42.1 inches); sandy clay loam; weak angular blocky, and weak subangular blocky structure; hard, friable; 0.5 roots; 2.5 fine tubular pores; 15 percent clay films; fragments; very strongly acid, pH 5.0, hellige-truog; diffuse boundary. Lab sample # 40A34105. same base color as above; some of red mott. have slightly hardened or incipient Fe-Cn in their cntrs.; amount of rd mott. & sizes and number of Mn increase with depth.; few clay films surface features; few roots; patchy - phpvsfiid 213431; patchy - phpvsfiid 213431
    1B24t—107 to 137 centimeters (42.1 to 53.9 inches);, brownish yellow (10YR 6/6) interior and pale brown (10YR 6/3) interior and yellowish red (5YR 5/6) interior, dry; sandy clay loam; weak subangular blocky structure; very hard, friable, moderately sticky; 0.5 roots; 0.5 fine tubular pores; fragments; strongly acid, pH 5.2, hellige-truog; diffuse boundary. Lab sample # 40A34106. contains more iron concretions, and mottles are coarser than in layer above.; few roots
    1B25t—137 to 157 centimeters (53.9 to 61.8 inches); sandy clay loam; weak blocky structure; fragments; strongly acid, pH 5.5, hellige-truog; diffuse boundary. Lab sample # 40A34107. similar to layer above, but contains about 10-15% of prominent light gray mottles;in addition contains a few subrounded hard Fe-Mn, contains occasional tree roots; weak blocky structure & some ped faces are shiny & have patchy clay films.
    1B26t—157 to 188 centimeters (61.8 to 74.0 inches);, light gray (10YR 7/2) interior and yellowish red (5YR 5/6) interior and strong brown (7.5YR 5/6) interior, dry; sandy clay loam; fragments; strongly acid, pH 5.5, hellige-truog; diffuse boundary. Lab sample # 40A34108. structureless but contains occasional patchy clay films and few pores mostly in the gray; weakly cemented; few tree roots mostly in the gray mottled soil material.
    1B27t—188 to 216 centimeters (74.0 to 85.0 inches); sandy clay loam; fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 40A34109. similar to above, but slightly more cemented; has occasional pinkish mottles; water seems to move better through the gray soil material than through the red material.