*** Primary Characterization Data ***
Pedon ID: S1973CA079005( San Luis Obispo, California )Print Date: Dec 4 2024 3:19AM

Sampled as on May 30, 1973:Sween
Revised to correlated:SWEEN ; Fine-silty, mixed Typic Argixerolls
United States Department of Agriculture
SSL-ProjectNL73CA004   PASO ROBLESNatural Resources Conservation Service
-Site IDS1973CA079005   Lat: 35° 46' 49.84" north  Long: 120° 58' 11.57" west  MLRA: 15National Soil Survey Center
-Pedon No. 73C0033Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
73C00222AA0-2673222CL FSL
73C00223Bt1B21t26-5373223C CL
73C00224Bt2B22t53-7473224C L
73C00225CC74-10073225SIL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.98(NA)
Clay, carbonate free, Weighted Average29% wt
Weighted Particles, 0.1-75mm, 75 mm Base8% wt
Volume, >2mm, Weighted Average1% vol
Clay, total, Weighted Average29% wt
 
Weighted averages based on control section: 26-74 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
73C002220-26ASfsl19.626.354.115.311.015.316.923.89.92.70.81----381
73C0022326-53Bt1Scl30.441.328.320.817.523.820.45.12.10.60.1tr----8tr
73C0022453-74Bt2Sl26.341.532.219.621.925.84.11.40.60.311--82
73C0022574-100CSsil25.856.917.332.824.114.01.70.60.70.312533129


*** Primary Characterization Data ***
Pedon ID: S1973CA079005( San Luis Obispo, California )Print Date: Dec 4 2024 3:19AM
Sampled As:Sween
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0033
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%
4A1d4A1h4B1c4B1c3C2a1a3D14C18D18D1
 
73C002220-26AS7.41.0291.080.38
73C0022326-53Bt1S1.391.700.06934.930.412.51.0290.250.980.41
73C0022453-74Bt2S1.391.620.05230.926.511.31.0290.210.970.43
73C0022574-100CS1.301.550.04934.129.114.41.0290.161.190.56
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 - - - - -)
6B3a6A1c
 
73C002220-26AS0.0970.9810
73C0022326-53Bt1S0.0330.227
73C0022453-74Bt2S0.0240.177
73C0022574-100CS0.11
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b5A3a5A8b5C35C1
 
73C002220-26AS16.7*3.40.40.621.121.121.2100100
73C0022326-53Bt1S23.22.90.60.527.227.229.810091
73C0022453-74Bt2S20.8*4.30.60.426.126.125.5100100
73C0022574-100CS26.6*5.40.80.533.333.330.6100100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.


*** Primary Characterization Data ***
Pedon ID: S1973CA079005( San Luis Obispo, California )Print Date: Dec 4 2024 3:19AM
Sampled As:Sween
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0033
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 - -)%
 
73C002220-26AS2
73C0022326-53Bt1S2
73C0022453-74Bt2S2
73C0022574-100CS3
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
 
73C002220-26AS5.66.2
73C0022326-53Bt1S5.15.7
73C0022453-74Bt2S5.25.9
73C0022574-100CS5.45.9
Miscellaneous Data-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- Sat Paste Ex. -)(- Sand -)( Water Content )Bulk
(- - - - Extractable Bases - - - -)(- - - CEC8 - - -)CO3+(- - - pH - - -)M+C+VCMoist SievedDensity
DepthCaMgNaKNaOACBaCl2Ca+MgHCO3CaCl2H2O.25-2100 kPa200 kPa10 kPa
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)mmol(+)L-1mmol(-)L-11:101:10(- - - - - % of <2mm - - - - -)g cm-3
NK
 
73C002220-26AS5.9
73C0022326-53Bt1S5.4
73C0022453-74Bt2S5.8
73C0022574-100CS6.1


*** Primary Characterization Data ***
Pedon ID: S1973CA079005( San Luis Obispo, California )Print Date: Dec 4 2024 3:19AM
Sampled As:Sween
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  73C0033
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
DepthFract7A2i tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
73C002220.0-26.0AfclyMT 3
73C002220.0-26.0AtclyMT 5MI 3
73C0022326.0-53.0Bt1fclyMT 4
73C0022326.0-53.0Bt1tclyMT 5MI 3
73C0022574.0-100.0CtclyMT 5MI 3

FRACTION INTERPRETATION:
fcly - Fine Clay <0.0002 mmtcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
MI MicaMT Montmorillonite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks
NSSC SSL Report Creation