*** Primary Characterization Data ***
Pedon ID: S1966CA073005( San Diego, California )Print Date: Feb 17 2025 8:38AM

Sampled as on Jun 12, 1966:San Miguel
Revised to correlated:San Miguel ; Fine, mixed, active, thermic Natric Haploxeralfs
United States Department of Agriculture
SSL-ProjectNL40001   SSIR SAMPLESSoil Conservation Service
-Site IDS1966CA073005   Lat: 32° 50' 48.01" north  Long: 117° 8' 4.00" west  MLRA: 19Riverside Soil Survey Laboratory
-Pedon No. 40A2885Soil Laboratory
-General Methods 1B1A, 2A1, 2BRiverside, California
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
40A22745AA10-8
40A22746E1A218-36
40A22747E2A2236-61
40A22748B1B161-89
40A22749Bt1B21t89-11466259C
40A22750Bt2B22t114-14566260C
40A22751Bt3B23t145-234
40A22752B2B3234-249
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.47(NA)
Clay, carbonate free, Weighted Average48% wt
Weighted Particles, 0.1-75mm, 75 mm Base23% wt
Volume, >2mm, Weighted Average2% vol
Clay, total, Weighted Average48% wt
LE, Whole Soil, Summed to 1m0cm/m
 
Weighted averages based on control section: 89-100 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
40A2274989-114Bt1Sc48.126.125.815.310.83.69.07.74.60.9111233
40A22750114-145Bt2Sc44.328.327.416.312.04.09.77.94.81.021--233


*** Primary Characterization Data ***
Pedon ID: S1966CA073005( San Diego, California )Print Date: Feb 17 2025 8:38AM
Sampled As:San Miguel
USDA-SCS-Soil Survey Laboratory;Pedon No.  40A2885
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%
4A1f4A1h4B1c3C2a1a
 
40A2274989-114Bt1S1.621.860.04622.516.80.090.470.35
40A22750114-145Bt2S1.541.790.05024.516.80.120.550.38
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 - - - - -)
6A1a
 
40A2274989-114Bt1S0.35
40A22750114-145Bt2S0.21
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2a6O2a6P2a6Q2a6H2a6G1b5A1a
 
40A2274989-114Bt1S4.24.56.80.315.88.51.224.322.717.076570
40A22750114-145Bt2S4.64.88.00.217.68.51.126.124.218.766773
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 - -)%
 
40A2274989-114Bt1S30
40A22750114-145Bt2S33


*** Primary Characterization Data ***
Pedon ID: S1966CA073005( San Diego, California )Print Date: Feb 17 2025 8:38AM
Sampled As:San Miguel
USDA-SCS-Soil Survey Laboratory;Pedon No.  40A2885
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
8C1a
 
40A2274989-114Bt1S4.2
40A22750114-145Bt2S4.1


*** Primary Characterization Data ***
Pedon ID: S1966CA073005( San Diego, California )Print Date: Feb 17 2025 8:38AM
Sampled As:San Miguel
USDA-SCS-Soil Survey Laboratory;Pedon No.  40A2885
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
DepthFract7A2 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
40A2274989.0-114.0Bt1tclyKK 4MT 3VR 2
40A22750114.0-145.0Bt2tclyMT 4KK 3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK KaoliniteMT MontmorilloniteVR Vermiculite

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