*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM

Sampled as on Sep 18, 2018:Duffau ; Fine-loamy, siliceous, active, thermic Udic Haplustalf
Revised to :
United States Department of Agriculture
SSL-ProjectC2019USTX005   Paluxy Erosional Hillslopes, Central PartNatural Resources Conservation Service
-Site IDS2018TX221002   Lat: 32° 18' 19.17" north  Long: 97° 50' 30.69" west  MLRA: 84BNational Soil Survey Center
-Pedon No. 19N0013Kellogg Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
19N00067AA0-9S2018TX221002-1LFS LVFS
19N00068EE9-32S2018TX221002-2LFS LVFS
19N00069Bt1Bt132-58S2018TX221002-3SCL SCL
19N00070Bt2Bt258-104S2018TX221002-4SCL SCL
19N00071Bt3Bt3104-146S2018TX221002-5SCL SCL
19N00072Bt4Bt4146-174S2018TX221002-6VFSL VFSL
19N00073Bt5Bt5174-215S2018TX221002-7VFSL VFSL
Pedon Calculations
Calculation NameResultUnits of Measure
 
Weighted Particles, 0.1-75mm, 75 mm Base35% wt
Volume, >2mm, Weighted Average0% vol
Clay, carbonate free, set 2, Weighted Average28% wt
Clay, total, set 2, Weighted Average28% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 70.59(NA)
 
Weighted averages based on control section: 32-82 cm
PSDA  &  Rock Fragments-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
 
(- - - - - Total - - - - - -)(- - Clay - - -)(- - - - Silt - - - - -)(- - - - - - - - - - - - Sand - - - - - - - - - - - -)( Rock Fragments   (mm) )
LabClaySiltSandFineCO3FineCoarseVFFMCVC(- - - - - - - - Weight - - - - - - - -)>2 mm
Text-<.002.05<<.002.02.05.10.25.512520.1-wt %
Depthure.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2-5-20-7575whole
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)(- - - - - - - % of <75mm - - - - - -)soil
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a
 
19N000670-9ASlvfs4.017.478.63.55.212.252.225.70.60.1--------26--
19N000689-32ESlvfs4.914.880.34.14.810.050.729.00.50.1----tr--30tr
19N0006932-58Bt1Sscl29.711.458.926.65.06.426.332.20.4trtr------33--
19N0007058-104Bt2Sscl26.19.364.623.43.75.628.035.60.80.10.1----1371
19N00071104-146Bt3Sscl21.212.266.63.78.536.329.40.70.10.1------30--
19N00072146-174Bt4Svfsl17.514.068.55.68.438.629.10.70.1--------30--
19N00073174-215Bt5Svfsl15.915.768.45.310.437.430.70.20.1tr------31--


*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM
Sampled As:DuffauFine-loamy, siliceous, active, thermic Udic Haplustalf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  19N0013
Bulk Density  &  Moisture-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(Bulk Density)Cole(- - - - - - - - - - - Water Content - - - - - - - - - - -)( Air Dry-Oven Dry )WRDAggst
33OvenWhole6103315001500 kPa(- - - - Ratio - - - -)WholeStabl(- - Ratio/Clay - -)
DepthkPaDrySoilkPakPakPakPaMoistCorrectedSoil2-0.5mm CEC71500 kPa
Layer(cm)HorzPrep (- - - g cm-3 - - -) (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) cm3 cm-3%
DbWR1DbWR1DbWR13C2a1a3D1
 
19N000670-9AS3.91.0051.450.98
19N000689-32ES1.511.550.0097.12.91.0040.060.760.59
19N0006932-58Bt1S1.521.670.03217.513.11.0190.070.530.44
19N0007058-104Bt2S1.601.810.04220.214.71.0230.090.660.56
19N00071104-146Bt3S1.621.740.02417.310.21.0170.120.590.48
19N00072146-174Bt4S1.661.770.02215.69.31.0140.100.650.53
19N00073174-215Bt5S1.651.740.01814.38.11.0140.100.650.51
Carbon  &  Extractions-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19-
 
(- - - - - Total - - - - -)EstOCC/N(- - - Dith-Cit Ext - - -)(- - - - - - Ammonium Oxalate Extraction - - - - - -)(- - - Na Pyro-Phosphate - - -)
DepthCNSOC(WB)RatioFeAlMnAl+½FeODOEFeAlSiMnCFeAlMn
Layer(cm)HorzPrep(- - - - - - - - - - % of <2 mm - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)mg kg-1(- - - - - - % of < 2mm - - - - -)
4H2a4H2a4H2a
 
19N000670-9AS0.860.060.070.914
19N000689-32ES0.06--tr0.1
19N0006932-58Bt1S0.340.030.010.311
19N0007058-104Bt2S0.160.01tr0.216
19N00071104-146Bt3S----tr--
19N00072146-174Bt4S--0.01tr--
19N00073174-215Bt5S----0.02--


*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM
Sampled As:DuffauFine-loamy, siliceous, active, thermic Udic Haplustalf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  19N0013
CEC  &  Bases-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- - - - - - NH4OAC Extractable Bases - - - - -)CEC8CEC7ECEC(- - - - Base - - - -)
SumAcid-ExtrKClSumNH4BasesAl(- Saturation -)
DepthCaMgNaKBasesityAlMnCatsOAC+AlSatSumNH4OAC
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)mg kg-1(- - - - cmol(+) kg-1 - - -)(- - - - - - - - % - - - - - - - -)
4B1a1a4B1a1a4B1a1a4B1a1a4B2b1a14B3b1a4B3b1a4B1a1a
 
19N000670-9AS4.50.8tr0.35.63.08.65.86597
19N000689-32ES2.40.8--0.23.42.1--0.25.53.76292
19N0006932-58Bt1S10.72.4tr0.513.66.60.60.120.215.614.246787
19N0007058-104Bt2S13.32.90.10.516.85.422.217.37697
19N00071104-146Bt3S10.3*2.10.10.412.93.916.812.677100
19N00072146-174Bt4S8.6*2.20.10.411.32.213.511.384100
19N00073174-215Bt5S8.3*2.10.10.410.93.414.310.376100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.
Salt-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19--20-
 
(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)1:2
TotalElecElecExch
DepthCaMgNaKCO3HCO3FClPO4BrOACSO4NO2NO3H2OSaltsCondCondNaSAR
Layer(cm)HorzPrep(- - - - - mmol(+) L-1 - - - - -)(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)(- - - - % - - - -)(- - dS m-1 - -)%
 
19N000670-9AStr
19N000689-32ES--
19N0006932-58Bt1Str
19N0007058-104Bt2S1
19N00071104-146Bt3S1
19N00072146-174Bt4S1
19N00073174-215Bt5S1


*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM
Sampled As:DuffauFine-loamy, siliceous, active, thermic Udic Haplustalf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  19N0013
pH  &  Carbonates-1--2--3--4--5--6--7--8--9--10--11-
 
(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)(- - Carbonate - -)(- - Gypsum - - -)
CaCl2As CaCO3As CaSO4*2H2OResist
Depth0.01MH2OSat<2mm<20mm<2mm<20mmohms
Layer(cm)HorzPrepKCl1:21:1PasteOxidNaF(- - - - - - - - - - - - % - - - - - - - - - - -)cm-1
4C1a2a4C1a2a
 
19N000670-9AS5.45.9
19N000689-32ES4.85.7
19N0006932-58Bt1S4.55.5
19N0007058-104Bt2S5.16.0
19N00071104-146Bt3S5.96.7
19N00072146-174Bt4S6.37.0
19N00073174-215Bt5S6.67.1
Phosphorous-1--2--3--4--5--6--7--8--9--10--11--12-
 
(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)KCl
MelanicNZAcidAnion Exch ResinBrayBrayOlsenH2OCitricMehlichExtr
DepthIndexOxalAvailableCapacity12AcidIIINO3
Layer(cm)HorzPrep%(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
4D8a14D6a1
 
19N000670-9AS32.1
19N000689-32ES40.3
19N0006932-58Bt1S170.2


*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM
Sampled As:DuffauFine-loamy, siliceous, active, thermic Udic Haplustalf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  19N0013
Clay Mineralogy (<.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A1b1 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
19N0006932.0-58.0Bt1tclyMM 3KK 2MI 2 CMIX
19N0007058.0-104.0Bt2tclyKK 2MI 2MM 2 CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK KaoliniteMI MicaMM Montmorillonite-Mica

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay


*** Primary Characterization Data ***
Pedon ID: S2018TX221002( Hood, Texas )Print Date: Dec 6 2025 8:28PM
Sampled As:DuffauFine-loamy, siliceous, active, thermic Udic Haplustalf
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  19N0013
Sand - Silt Mineralogy (2.0-0.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
19N0006932.0-58.0Bt1fs 93QZ 92FK 6CD 1MS trPR trHN tr SILI
ZR trBT trFE tr
19N0007058.0-104.0Bt2fs 96QZ 95FK 3CD 1FE trBT trBY tr SILI
HN trMS trOP trPR trZR tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
BT BiotiteBY BerylCD Chert (ChalcedonyFE Iron Oxides (GoethiteFK Potassium Feldspar
HN HornblendeMS MuscoviteOP OpaquesPR PyroxeneQZ Quartz
ZR Zircon

INTERPRETATION (BY HORIZON):
SILI - Siliceous
NSSC SSL Report Creation