IDENTIFIERS

  • Current Taxon Name (Soil Name): Niwana
  • OSD
  • Series Extent
  • User Site ID: S1989LA115029
  • User Pedon ID: 89LA115029
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0786
  • NCSS Pedon Lab Data NASIS Record ID - 61885
  • 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: 30.9497223
  • Std. Longitude: -93.1438904
  • Datum: WGS84
  • Township: 1S
  • Range: 7W
  • Section: 36
  • PLSS Details: NW1/4, NW1/4
  • State: Louisiana
  • County: LA115—Vernon
  • MLRA: 133B—Western Coastal Plain

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, siliceous, semiactive, thermic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 29
  • Correlated Information:
  • Soil Name - Niwana
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Mounds
  • Taxonomic Class - Fine-loamy, siliceous, thermic Typic Paleudult
  • Classificaton Date - 9/1/1989
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1989 (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
    • 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

    —

    —

    70

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) very fine sandy loam; fine granular structure; very friable; fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # 89P04531
    E—10 to 36 centimeters (3.9 to 14.2 inches); light yellowish brown (10YR 6/4) very fine sandy loam; 1 percent yellowish brown (10YR 5/4) fine faint mottles; weak fine subangular blocky structure; very friable; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 89P04532. few fine faint 10YR54 mottles
    B/E—36 to 38 centimeters (14.2 to 15.0 inches); light yellowish brown (10YR 6/4) and brownish yellow (10YR 6/6) loam; 1 percent yellowish brown (10YR 5/6) fine faint and 11 percent grayish brown (10YR 5/2) fine faint mottles; weak medium subangular blocky structure; very friable; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 89P04533. few, fine pores; few fine faint 10YR56 mottles; common fine faint 10YR52 mottles
    Bt1—38 to 81 centimeters (15.0 to 31.9 inches); yellowish brown (10YR 5/6) clay loam; 1 percent dark yellowish brown (10YR 4/4) medium faint and 11 percent red (2.5YR 4/8) fine prominent mottles; moderate medium subangular blocky structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 89P04534. few medium faint 10YR44 mottles; common fine prominent 2.5YR48 mottles
    Bt2—81 to 127 centimeters (31.9 to 50.0 inches); yellowish brown (10YR 5/6) clay loam; 30 percent dark grayish brown (2.5Y 4/2) fine prominent and 30 percent yellowish brown (10YR 5/4) medium faint mottles; moderate medium subangular blocky structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 89P04535. large tounge of (10YR 6/2) fsl; many, fine pores; few, fine and medium ironstone concretions; many fine prominent 2.5Y42 mottles; many medium faint 10YR54 mottles
    Bt3—127 to 180 centimeters (50.0 to 70.9 inches); yellowish brown (10YR 5/6) loam; 30 percent strong brown (7.5YR 4/6) medium distinct and 30 percent red (2.5YR 4/8) medium prominent mottles; moderate prismatic structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 89P04536. large tounge of (10YR 6/2) fsl; many, fine pores; few, fine and medium ironstone concretions; many medium distinct 7.5YR46 mottles; many medium prominent 2.5YR48 mottles
    Btv—180 to 208 centimeters (70.9 to 81.9 inches); strong brown (7.5YR 5/8) loam; 11 percent light brownish gray (10YR 6/2) medium distinct and 11 percent red (2.5YR 4/6) coarse prominent and 30 percent strong brown (7.5YR 4/6) medium faint mottles; moderate fine prismatic structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 89P04537. 15% plinthite; common medium distinct 10YR62 mottles; common coarse prominent 2.5YR46 mottles; many medium faint 7.5YR46 mottles
    Bt—208 to 251 centimeters (81.9 to 98.8 inches); strong brown (7.5YR 5/8) clay loam; 11 percent gray (10YR 6/1) medium distinct mottles; weak medium subangular blocky structure; friable; fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # 89P04538. 2% plinthite; common medium distinct 10YR61 mottles
    C1—251 to 300 centimeters (98.8 to 118.1 inches); gray (10YR 6/1) sandy clay, clay loam; 11 percent grayish brown (10YR 5/2) fine faint and 11 percent light red (2.5YR 6/6) medium prominent and 30 percent yellowish brown (10YR 5/6) medium faint mottles; massive; fragments. Lab sample # 89P04539. stratified with SC and CL; about 2% plinthite, concentrated around lower end of seam; common fine faint 10YR52 mottles; common medium prominent 2.5YR66 mottles; many medium faint 10YR56 mottles
    C2—300 to 401 centimeters (118.1 to 157.9 inches); fragments. Lab sample # 89P04540