*** Primary Characterization Data ***

Pedon ID: S1955CA079002

( San Luis Obispo, California )

Print Date: Jun 1 2024 2:10PM

Sampled as on Sep 5, 1955:	Diablo
Revised to correlated:	DIABLO ; Fine, smectitic, thermic Aridic Haploxererts

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1955CA079002     MLRA: 15	Riverside Soil Survey Laboratory
	-	Pedon No.	40A3089	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Riverside, California

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A24163	Ap1	Ap1	0-3	55455				C
40A24164	Ap2	Ap2	3-10	55456				C
40A24165	A	A13	10-51	55457				C
40A24166	AC	AC	51-69	55458				C
40A24167	R	R	69

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	55	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	13	% wt
Volume, >2mm, Weighted Average	3	% vol
Clay, total, Weighted Average	55	% wt
Weighted averages based on control section: 25-69 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) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a			3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
40A24163	0-3	Ap1	S	c	57.4	31.2	11.4			23.2	8.0	2.3	4.3	1.0	1.6	2.2	--	--	--	9	--
40A24164	3-10	Ap2	S	c	58.4	30.3	11.3			21.9	8.4	2.4	4.1	0.9	1.2	2.7	--	--	--	9	--
40A24165	10-51	A	S	c	58.3	29.5	12.2			21.1	8.4	2.6	4.8	1.3	1.9	1.6	--	--	--	10	--
40A24166	51-69	AC	S	c	51.3	26.0	22.7			17.8	8.2	5.9	7.5	1.9	3.5	3.9	--	--	--	17	--

*** Primary Characterization Data ***

Pedon ID: S1955CA079002

( San Luis Obispo, California )

Print Date: Jun 1 2024 2:10PM

Sampled As	:	Diablo
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3089

---

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 )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
										3C2a1a
40A24163	0-3	Ap1	S							25.3							0.44
40A24164	3-10	Ap2	S							25.1							0.43
40A24165	10-51	A	S							25.6							0.44
40A24166	51-69	AC	S							25.3							0.49

---

Carbon  &  Extractions

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

(- - - - - Total - - - - -)

Est

OC

C/N

(- - - Dith-Cit Ext - - -)

(- - - - - - Ammonium Oxalate Extraction - - - - - -)

(- - - Na Pyro-Phosphate - - -)

Depth

C

N

S

OC

(WB)

Ratio

Fe

Al

Mn

Al+½Fe

ODOE

Fe

Al

Si

Mn

C

Fe

Al

Mn

Layer

(cm)

Horz

Prep

(- - - - - - - - - - % of <2 mm - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)

mg kg-1

(- - - - - - % of < 2mm - - - - -)

6A1a

40A24163

0-3

Ap1

S

1.69

40A24164

3-10

Ap2

S

1.39

40A24165

10-51

A

S

1.23

40A24166

51-69

AC

S

0.96

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2b	6O2c	6P2a	6Q2a		6H2a
40A24163	0-3	Ap1	S	53.4	12.5	1.2	0.4	67.5	7.2			74.7				90
40A24164	3-10	Ap2	S	52.2	13.4	0.9	0.3	66.8	6.8			73.6				91
40A24165	10-51	A	S	48.8	19.2	0.8	0.3	69.1	5.7			74.8				92
40A24166	51-69	AC	S	57.0	14.4	0.8	0.3	72.5	5.0			77.5				94

*** Primary Characterization Data ***

Pedon ID: S1955CA079002

( San Luis Obispo, California )

Print Date: Jun 1 2024 2:10PM

Sampled As	:	Diablo
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3089

---

pH  &  Carbonates

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)

(- - Carbonate - -)

(- - Gypsum - - -)

CaCl2

As CaCO3

As CaSO4*2H2O

Resist

Depth

0.01M

H2O

Sat

<2mm

<20mm

<2mm

<20mm

ohms

Layer

(cm)

Horz

Prep

KCl

1:2

1:1

Paste

Oxid

NaF

(- - - - - - - - - - - - % - - - - - - - - - - -)

cm-1

8C1b

40A24163

0-3

Ap1

S

6.4

40A24164

3-10

Ap2

S

6.3

40A24165

10-51

A

S

6.6

40A24166

51-69

AC

S

7.0

---

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+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

5A2a

8C1a

40A24163

0-3

Ap1

S

71.3

7.3

40A24164

3-10

Ap2

S

71.4

7.5

40A24165

10-51

A

S

72.8

7.9

40A24166

51-69

AC

S

77.0

8.4