IDENTIFIERS

  • Current Taxon Name (Soil Name): Kirvin
  • OSD
  • Series Extent
  • User Site ID: S1987LA085003
  • User Pedon ID: 87LA085003
  • Vegetation Plot ID: S1987LA085003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0404
  • NCSS Pedon Lab Data NASIS Record ID - 59699
  • Print Date: 5/30/2024

    • 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: 31.6927776
  • Std. Longitude: -93.6861115
  • Datum: WGS84
  • Township: 8N
  • Range: 13W
  • Section: 38
  • PLSS Details: .5 mile W on LA. hwy. 1218 from US hwy. 171, .25 mile N of LA. hwy 1218, 132 feet W of Parish road, 120 feet S of Woods Road, Las Ormigas Spanish land grant
  • Location Description: Map Sheet number 16.
  • State: Louisiana
  • County: LA085—Sabine
  • MLRA: 133B—Western Coastal Plain

    • PEDON

  • Describers Name: Guillory, C.M.
  • Current Taxonomic Class: Fine, mixed, semiactive, thermic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Kirvin
  • PSC - 25 to 75 cm.
  • Classificaton Date - 1/21/2014
  • Classifier - Ricky Lambert
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Kirvin
  • Taxonomic Class - Clayey, mixed, thermic Typic Hapludult
  • Taxon Kind - series
  • Classificaton Date - 4/1/1987
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: hillside or mountainside
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—25

    25—75

    —-

    —-
    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

    3

    —

    —

    88

    —

    0

    123

    —

    —

    17

    26

    8

    18

    —

    —

    —

    —

    —

    165892

    —
    1A—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) interior fine sandy loam; weak fine granular structure; friable; 5.5 medium roots throughout and 5.5 coarse roots throughout; 30 percent medium irregular ironstone nodules; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 87P2095; moist when described;. many medium ironstone nodules concentrations; many coarse roots throughout; many medium roots throughout
    1E—15 to 25 centimeters (5.9 to 9.8 inches); light yellowish brown (10YR 6/4) interior fine sandy loam; 11 percent yellowish red (5YR 5/8) medium distinct mottles; weak fine granular structure; very friable; 5.5 fine roots throughout; 30 percent medium irregular ironstone nodules and 30 percent fine irregular ironstone nodules; fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # 87P2096; moist when described;. many medium ironstone nodules concentrations; many fine ironstone nodules concentrations; many fine roots throughout; common medium distinct 5YR58 mottles
    1Bt1—25 to 51 centimeters (9.8 to 20.1 inches); red (2.5YR 4/6) interior clay; 1 percent strong brown (7.5YR 5/8) medium distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots between peds; 55 percent distinct dark red (2.5YR 3/6), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # 87P2097; moist when described;. many clay films surface features on vertical and horizontal faces of peds; few fine roots between peds; few medium distinct 7.5YR58 mottles; continuous - phpvsfiid 1158971; continuous - phpvsfiid 1158971
    1Bt2—51 to 74 centimeters (20.1 to 29.1 inches); red (2.5YR 4/8) interior clay loam; 11 percent strong brown (7.5YR 5/8) medium distinct and 11 percent light yellowish brown (10YR 6/4) medium distinct mottles; moderate medium subangular blocky structure; firm; 5.5 fine roots between peds; 55 percent distinct dark red (2.5YR 3/6), moist, clay films on all faces of peds; fragments; clear wavy boundary. Lab sample # 87P2098. many clay films surface features on vertical and horizontal faces of peds; many fine roots between peds; common medium distinct 7.5YR58 mottles; common medium distinct 10YR64 mottles; continuous - phpvsfiid 1158972; continuous - phpvsfiid 1158972
    1Bt3—74 to 102 centimeters (29.1 to 40.2 inches); red (2.5YR 4/6) interior clay; 11 percent strong brown (7.5YR 5/8) medium distinct and 11 percent light yellowish brown (10YR 6/4) medium prominent mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; firm; 0.5 fine roots between peds; 15 percent faint red (2.5YR 4/6), moist, clay films on vertical faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 87P2099; moist when described;. Slickensides less than 10 degrees from horizontal, wedges were 30 cm wide, 10 cm thick.; few clay films surface features on vertical faces of peds; few fine roots between peds; common medium distinct 7.5YR58 mottles; common medium prominent 10YR64 mottles; patchy - phpvsfiid 1158973; patchy - phpvsfiid 1158973
    1BC1—102 to 152 centimeters (40.2 to 59.8 inches); 40 percent red (2.5YR 4/6) interior and 30 percent strong brown (7.5YR 5/8) interior and 30 percent gray (10YR 6/1) interior clay loam; moderate coarse prismatic, and weak coarse subangular blocky structure; firm; 0.5 fine roots in cracks; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 87P2100; wet when described;. few fine roots in cracks
    1Cr—152 to 191 centimeters (59.8 to 75.2 inches); 80 percent light olive gray (5Y 6/2) interior and strong brown (7.5YR 5/8) interior shaly clay, stratified fine sandy loam; 1 percent greenish gray (5BG 5/1) medium prominent and 11 percent red (2.5YR 4/8) medium prominent mottles; moderate medium platy structure; firm; 0.5 fine roots in cracks; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 87P2101; moist when described;. Some old pressure faces visible.; few fine roots in cracks; common medium prominent 2.5YR48 mottles; few medium prominent 5BG51 mottles