IDENTIFIERS

  • Current Taxon Name (Soil Name): Grenada
  • OSD
  • Series Extent
  • User Site ID: S1963LA083003
  • User Pedon ID: S1963LA083003
  • Vegetation Plot ID: S1963LA083003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1349
  • NCSS Pedon Lab Data NASIS Record ID - 34957
  • Print Date: 2/18/2026

    • 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: 32.4216652
  • Std. Longitude: -91.6066666
  • Datum: WGS84
  • Township: 17N
  • Range: 8E
  • Section: 25
  • PLSS Details: 900 feet W and 900 feet N of intersection of State Road 609 and gravel road on S side
  • Location Description: 3 miles SW of Dunn
  • State: Louisiana
  • County: LA083—Richland
  • MLRA: 134—Southern Mississippi Valley Loess
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA083—Richland Parish, Louisiana

    • PEDON

  • Describers Name: James DeMent, J.L. Walker, Billie Nutt, S.A. Lytle, David F. Slusher, and Tracey Weems
  • Current Taxonomic Class: Fine-silty, mixed, active, thermic Typic Fraglossudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Grenada
  • PSC - 25 to 56 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Grenada
  • Classificaton Date - 10/31/1963
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Microfeature: terracette
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/31/1963 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CYNOD

    Cynodon

    Bermudagrass

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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

    —

    —

    —

    —

    1295

    —

    —

    18

    —

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    —

    —

    —

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    Ap—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) silt loam; weak very fine granular, and massive; friable; 10.0 roots; 10 percent fine strong brown (7.5YR 5/6) masses of dark accumulation; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 40A10276
    B1—8 to 15 centimeters (3.1 to 5.9 inches); brown (7.5YR 4/4) silt loam; massive; hard; 3.0 roots; 1 percent fine noncoherent cemented dark brown (10YR 3/3) masses of dark accumulation and 1 percent fine weakly coherent cemented black (10YR 2/1) masses of dark accumulation; 1 percent brown (10YR 5/3) worm casts at top of horizon; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 40A10277
    B21—15 to 36 centimeters (5.9 to 14.2 inches); strong brown (7.5YR 5/6) silt loam; weak fine and medium subangular blocky structure; slightly hard; 0.5 roots; 3.0 fine pores; 10 percent fine dark brown (10YR 3/3) masses of dark accumulation; 1 percent brown (10YR 5/3) worm casts; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 40A10278
    B22—36 to 48 centimeters (14.2 to 18.9 inches); yellowish brown (10YR 5/6) and light yellowish brown (10YR 6/4) silt loam; weak fine subangular blocky structure; slightly hard; 0.5 roots; 3.0 fine pores; 1 percent weakly coherent cemented black (10YR 2/1) masses of dark accumulation and 10 percent fine noncoherent cemented dark brown (10YR 3/3) masses of dark accumulation and 10 percent fine noncoherent cemented strong brown (7.5YR 5/6) masses of dark accumulation; fragments; very strongly acid, pH 4.8, hellige-truog; gradual boundary. Lab sample # 40A10279. hard black 2 to 5 mm aggregates.
    A'2—48 to 56 centimeters (18.9 to 22.0 inches); light gray (10YR 7/2), white (10YR 8/1), dry; silt loam; massive parts to fine granular; soft; 25 percent weakly coherent cemented strong brown (7.5YR 5/6) masses of dark accumulation and 25 percent weakly coherent cemented dark brown (10YR 3/3) masses of dark accumulation; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt boundary. Lab sample # 40A10280. abrupt boundary tongues 1/4 to 1/2 inch deep and 1/3 to 1/4 inch wide into underlying horizon.
    B'x1—56 to 69 centimeters (22.0 to 27.2 inches); light gray (10YR 7/2) silty clay loam; 10 percent brown (10YR 5/3) fine distinct mottles; moderate fine subangular blocky structure; slightly hard, firm; brittle; fine pores; 15 percent white (10YR 8/1), dry, silt coats on faces of peds and 37 percent clay films on faces of peds and in pores; 25 percent fine weakly coherent cemented brown (10YR 5/3) masses of dark accumulation and 25 percent fine weakly coherent cemented black (10YR 2/1) masses of dark accumulation; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 40A10281. patchy - phpvsfiid 191610; patchy - phpvsfiid 191611; patchy - phpvsfiid 191610; patchy - phpvsfiid 191611
    B'x2—69 to 86 centimeters (27.2 to 33.9 inches); brown (10YR 4/3) and yellowish brown (10YR 5/4) silty clay loam; 25 percent light gray (10YR 7/2) fine distinct mottles; moderate medium subangular blocky structure; slightly hard, firm; brittle; fine pores; distinct clay films on faces of peds and in pores and 15 percent white (10YR 8/1), dry, silt coats on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 40A10282. patchy - phpvsfiid 191612; patchy - phpvsfiid 191613; patchy - phpvsfiid 191612; patchy - phpvsfiid 191613
    B'x3—86 to 114 centimeters (33.9 to 44.9 inches); yellowish brown (10YR 5/4) silt loam; 10 percent very pale brown (10YR 7/3) fine faint and 10 percent dark brown (10YR 3/3) fine faint mottles; weak coarse subangular blocky structure; slightly hard, firm; brittle; fine pores; 15 percent clay films on faces of peds and in pores; 1 percent dark brown (10YR 3/3) masses of dark accumulation; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 40A10283. patchy - phpvsfiid 191614; patchy - phpvsfiid 191614
    B'x4—114 to 145 centimeters (44.9 to 57.1 inches); yellowish brown (10YR 5/4) silt loam; 1 percent dark brown (10YR 3/3) fine faint and 10 percent very pale brown (10YR 7/3) fine distinct mottles; weak medium prismatic structure; slightly hard, firm; brittle; fine pores; 15 percent clay films on faces of peds and in pores; 1 percent dark brown (10YR 3/3) masses of dark accumulation; fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 40A10284. distinct patchy black manganiferous stains along vertical cleavage planes.; patchy - phpvsfiid 191615; patchy - phpvsfiid 191615
    B'x5—145 to 208 centimeters (57.1 to 81.9 inches); dark yellowish brown (10YR 4/4) silt loam; 10 percent very pale brown (10YR 7/3) fine distinct mottles; weak coarse prismatic structure; hard, firm; brittle; fine pores; 15 percent faint clay films and 37 percent black stains on faces of peds and in pores and 55 percent very pale brown (10YR 7/3) silt coats on faces of peds; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 40A10285. patchy - phpvsfiid 191616; patchy - phpvsfiid 191618; patchy - phpvsfiid 191616; patchy - phpvsfiid 191618
    2C1—208 to 234 centimeters (81.9 to 92.1 inches); yellowish brown (10YR 5/4) loam; 1 percent pale brown (10YR 6/3) fine faint mottles; massive; hard, weakly cemented; 15 percent clay films in root channels and/or pores; 1 percent fine dark brown (10YR 3/3) masses of dark accumulation; fragments; moderately alkaline, pH 8.1, hellige-truog; gradual smooth boundary. Lab sample # 40A10286. patchy - phpvsfiid 191619; patchy - phpvsfiid 191619
    2C2—234 to 267 centimeters (92.1 to 105.1 inches); brown (7.5YR 4/4) fine sandy loam; massive; hard, weakly cemented; fragments; moderately alkaline, pH 8.1, hellige-truog; gradual smooth boundary. Lab sample # 40A10287
    2C3—267 to 292 centimeters (105.1 to 115.0 inches); yellowish brown (10YR 5/4) loam, very fine sand; 1 percent pale brown (10YR 6/3) fine faint mottles; massive; slightly hard, weakly cemented; fragments; moderately alkaline, pH 8.1, hellige-truog. Lab sample # 40A10288