IDENTIFIERS

  • Current Taxon Name (Soil Name): KNOLLE
  • OSD
  • Series Extent
  • User Site ID: S1976TX477003
  • User Pedon ID: S1976TX477003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4684
  • NCSS Pedon Lab Data NASIS Record ID - 41386
  • Print Date: 2/19/2025

    • 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: 30.3236103
  • Std. Longitude: -96.2516632
  • Datum: WGS84
  • Location Description: from Washington County Courthouse, 12.5 miles northeast of Brenham, Texas on Texas Highway 90 and 105; then south on a county road 1 mile; then east 100 feet in field
  • State: Texas
  • County: TX477—Washington
  • MLRA: 86B—Texas Blackland Prairie, Southern Part
  • Non-MLRA Soil Survey Area: TX477—Washington County, Texas

    • PEDON

  • Describers Name: W. G. Chervenka
  • Current Taxonomic Class: Fine-loamy, siliceous, thermic Ultic Haplustalfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - KNOLLE
  • PSC - 20 to 70 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - KNOLLE
  • Classificaton Date - 7/1/1976
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1976 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    AP—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loamy fine sand; weak coarse subangular blocky structure; slightly hard, very friable; 21.0 fine roots; 3.0 fine and medium pores; fragments; slightly acid, pH 6.3, unspecified; clear smooth boundary. Lab sample # 40A35582
    B1T—20 to 30 centimeters (7.9 to 11.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; sandy loam; weak coarse subangular blocky structure; slightly hard, friable; 21.0 fine roots; 3.0 fine pores; clay films; fragments; slightly acid, pH 6.3, unspecified; gradual wavy boundary. Lab sample # 40A35583. patchy - phpvsfiid 200332; patchy - phpvsfiid 200332
    B21T—30 to 66 centimeters (11.8 to 26.0 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; 3 percent brown (7.5YR 4/2) medium prominent mottles; weak medium subangular blocky structure; hard when dry, firm; 3.0 fine roots; clay films on faces of peds; fragments; moderately acid, pH 5.8, unspecified; gradual wavy boundary. Lab sample # 40A35584
    B22T—66 to 86 centimeters (26.0 to 33.9 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; hard when dry, firm; 0.5 fine roots; 3.0 fine pores; brown (7.5YR 4/2) clay films on faces of peds; fragments; strongly acid, pH 5.3, unspecified; gradual wavy boundary. Lab sample # 40A35585
    B3—86 to 117 centimeters (33.9 to 46.1 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; sandy clay loam; weak medium subangular blocky structure; slightly hard, friable; 0.5 fine pores; 10 percent clay films; fragments; moderately acid, pH 5.8, unspecified; gradual boundary. Lab sample # 40A35586. patchy - phpvsfiid 200337; patchy - phpvsfiid 200337
    C—117 to 157 centimeters (46.1 to 61.8 inches); strong brown (7.5YR 5/6), strong brown (7.5YR 5/6), moist; sandy clay loam; massive; slightly hard, friable; fragments; moderately acid, pH 5.8, unspecified. Lab sample # 40A35587