*** Primary Characterization Data ***
Pedon ID: S1955CA079001( San Luis Obispo, California )Print Date: Mar 2 2025 8:56AM

Sampled as on Sep 5, 1955:Ahwahnee
Revised to correlated:AHWAHNEE ; Coarse-loamy, mixed, thermic Mollic Haploxeralfs
United States Department of Agriculture
SSL-ProjectNL40001   SSIR SAMPLESSoil Conservation Service
-Site IDS1955CA079001     MLRA: 15Riverside Soil Survey Laboratory
-Pedon No. 40A2872Soil Laboratory
-General Methods 1B1A, 2A1, 2BRiverside, California
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
40A22649A11A110-1055449FS
40A22650A12A1210-3055450FS
40A22651A2A330-4655451LFS
40A22652B1B2146-7655452FSL
40A22653B2B2276-11255453FSL
40A22654CC112-15255454FSL
Pedon Calculations
Calculation NameResultUnits of Measure
 
Clay, carbonate free, Weighted Average11% wt
Weighted Particles, 0.1-75mm, 75 mm Base80% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average11% wt
 
Weighted averages based on control section: 25-100 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
 
40A226490-10A11Sfs5.64.290.22.31.92.072.114.61.20.3------88--
40A2265010-30A12Sfs6.04.689.42.52.12.273.812.60.60.2------87--
40A2265130-46A2Slfs6.25.788.13.42.32.375.110.20.5--------86--
40A2265246-76B1Sfsl12.38.179.65.13.02.866.79.30.60.2------77--
40A2265376-112B2Sfsl13.17.179.84.92.22.365.810.80.80.1------78--
40A22654112-152CSfsl15.86.278.03.72.52.164.710.40.60.2------76--


*** Primary Characterization Data ***
Pedon ID: S1955CA079001( San Luis Obispo, California )Print Date: Mar 2 2025 8:56AM
Sampled As:Ahwahnee
USDA-SCS-Soil Survey Laboratory;Pedon No.  40A2872
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%
3C2a1a
 
40A226490-10A11S3.70.66
40A2265010-30A12S3.30.55
40A2265130-46A2S3.50.56
40A2265246-76B1S6.00.49
40A2265376-112B2S6.40.49
40A22654112-152CS6.80.43
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
 
40A226490-10A11S1.18
40A2265010-30A12S0.52
40A2265130-46A2S0.29
40A2265246-76B1S0.22
40A2265376-112B2S0.16
40A22654112-152CS0.14
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2b6O2c6P2a6Q2a6H2a
 
40A226490-10A11S4.32.00.21.27.73.110.871
40A2265010-30A12S4.31.70.31.27.52.09.579
40A2265130-46A2S4.42.80.20.37.71.69.383
40A2265246-76B1S6.06.30.30.112.71.914.687
40A2265376-112B2S5.16.20.20.111.61.913.586
40A22654112-152CS4.87.30.30.112.52.114.686


*** Primary Characterization Data ***
Pedon ID: S1955CA079001( San Luis Obispo, California )Print Date: Mar 2 2025 8:56AM
Sampled As:Ahwahnee
USDA-SCS-Soil Survey Laboratory;Pedon No.  40A2872
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
8C1b
 
40A226490-10A11S6.6
40A2265010-30A12S6.5
40A2265130-46A2S6.5
40A2265246-76B1S6.3
40A2265376-112B2S6.4
40A22654112-152CS6.4
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
5A2a8C1a
 
40A226490-10A11S9.27.0
40A2265010-30A12S8.17.0
40A2265130-46A2S8.06.9
40A2265246-76B1S14.07.0
40A2265376-112B2S14.27.1
40A22654112-152CS15.17.3
NSSC SSL Report Creation