*** Primary Characterization Data ***

Pedon ID: 84CA079033

( San Luis Obispo, California )

Print Date: Nov 21 2024 9:00PM

Sampled as on Sep 1, 1984:	Yeguas ; Fine-loamy, mixed, thermic Mollic Haploxeralf
Revised to correlated:	Yeguas ; Fine-loamy, mixed, superactive, thermic Mollic Haploxeralfs

				United States Department of Agriculture
SSL	-	Project	CP84CA247   SAN LUIS OBISPO COUNTY	Natural Resources Conservation Service
	-	Site ID	S1984CA079033   Lat: 35° 22' 45.00" north  Long: 120° 1' 60.00" west  MLRA: 17	National Soil Survey Center
	-	Pedon No.	84P0928	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
84P05258	Ap1	Ap1	0-8					L
84P05259	Ap2	Ap2	8-28					L
84P05260	A	A	28-47					L
84P05261	Bt1	Bt1	47-60					CL
84P05262	Bt2	Bt2	60-90					SIC
84P05263	B	C	90-113					SICL
84P05264	Bk	Ck	113-129					FSL
84P05265	2C	2C	129-154					LCOS

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.86	(NA)
Clay, carbonate free, Weighted Average	41	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	14	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	41	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 47-90 cm

*** Primary Characterization Data ***

Pedon ID: 84CA079033

( San Luis Obispo, California )

Print Date: Nov 21 2024 9:00PM

Sampled As	:	Yeguas		Fine-loamy, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  84P0928

---

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	3A1a1a	3B1	3B1	3B1
84P05258	0-8	Ap1	S	l	20.4	34.6	45.0			13.4	21.2	13.4	15.1	8.0	5.2	3.3	3	2	--	35	5
84P05259	8-28	Ap2	S	l	21.8	32.4	45.8			13.2	19.2	10.8	14.4	9.7	6.3	4.6	2	2	--	38	4
84P05260	28-47	A	S	l	25.1	33.1	41.8			14.2	18.9	9.5	13.2	9.8	6.2	3.1	2	1	--	34	3
84P05261	47-60	Bt1	S	cl	35.5	36.8	27.7			15.8	21.0	7.7	8.5	6.3	3.7	1.5	2	1	--	22	3
84P05262	60-90	Bt2	S	sic	42.9	45.5	11.6			23.9	21.6	3.9	3.1	2.3	1.4	0.9	2	1	--	10	3
84P05263	90-113	B	S	sicl	31.8	58.2	10.0		0.6	27.6	30.6	5.3	1.8	1.4	0.8	0.7	tr	tr	--	5	tr
84P05264	113-129	Bk	S	fsl	17.7	26.5	55.8		1.1	9.8	16.7	9.8	26.3	15.1	3.4	1.2	1	3	--	48	4
84P05265	129-154	2C	S	lcos	9.2	11.5	79.3		0.9	4.7	6.8	4.2	18.6	25.4	17.3	13.8	9	8	--	80	17

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
84P05258	0-8	Ap1	S	1.49	1.62	0.027			19.9	10.5		1.015		0.14		0.84	0.51
84P05259	8-28	Ap2	S	1.48	1.60	0.026			18.2	11.4		1.017		0.10		0.83	0.52
84P05260	28-47	A	S	1.43	1.60	0.037			20.2	13.3		1.020		0.10		0.88	0.53
84P05261	47-60	Bt1	S	1.44	1.67	0.050			22.4	18.6		1.028		0.05		0.85	0.52
84P05262	60-90	Bt2	S	1.38	1.81	0.093			28.4	22.2		1.035		0.08		0.87	0.52
84P05263	90-113	B	S	1.29	1.55	0.063			30.3	17.5		1.029		0.17		0.92	0.55
84P05264	113-129	Bk	S	1.46	1.57	0.024			19.3	9.3		1.015		0.14		0.84	0.53
84P05265	129-154	2C	S							6.4		1.009				0.99	0.70

*** Primary Characterization Data ***

Pedon ID: 84CA079033

( San Luis Obispo, California )

Print Date: Nov 21 2024 9:00PM

Sampled As	:	Yeguas		Fine-loamy, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  84P0928

---

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 - - - - -)

6B3a

6A1c

84P05258

0-8

Ap1

S

0.077

0.67

9

84P05259

8-28

Ap2

S

0.059

0.53

9

84P05260

28-47

A

S

0.044

0.34

8

84P05261

47-60

Bt1

S

0.24

84P05262

60-90

Bt2

S

0.20

84P05263

90-113

B

S

0.20

84P05264

113-129

Bk

S

0.09

84P05265

129-154

2C

S

0.07

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a			5A3a	5A8b			5C3	5C1
84P05258	0-8	Ap1	S	11.9*	4.4	0.1	0.8	17.2	2.1			19.3	17.2			89	100
84P05259	8-28	Ap2	S	12.3	4.5	0.2	0.6	17.6	2.4			20.0	18.0			88	98
84P05260	28-47	A	S	16.2*	5.2	0.2	0.3	21.9	2.4			24.3	22.0			90	100
84P05261	47-60	Bt1	S	22.1*	7.3	0.4	0.3	30.1	2.2			32.3	30.1			93	100
84P05262	60-90	Bt2	S	27.1*	9.0	0.5	0.5		2.1				37.2			95	100
84P05263	90-113	B	S	33.8*	6.7	0.6	0.7		0.4				29.2			99	100
84P05264	113-129	Bk	S	33.5*	3.4	0.4	0.4						14.9			100	100
84P05265	129-154	2C	S	18.8*	2.0	0.4	0.2						9.1			100	100

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

*** Primary Characterization Data ***

Pedon ID: 84CA079033

( San Luis Obispo, California )

Print Date: Nov 21 2024 9:00PM

Sampled As	:	Yeguas		Fine-loamy, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  84P0928

---

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
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
84P05258	0-8	Ap1	S																		0.19	1
84P05259	8-28	Ap2	S																		0.13	1
84P05260	28-47	A	S																		0.13	1
84P05261	47-60	Bt1	S																		0.13	1
84P05262	60-90	Bt2	S																		0.13	1
84P05263	90-113	B	S	4.6	1.2	1.6	0.1	--	4.5	0.2	0.4				1.2	--	0.1	56.8	tr	0.64	0.26	2	1
84P05264	113-129	Bk	S																		0.15	3
84P05265	129-154	2C	S																		0.13	4

---

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
					4C1a2a	4C1a2a	8C1b			6E1g
84P05258	0-8	Ap1	S		6.7	7.1
84P05259	8-28	Ap2	S		6.4	6.7
84P05260	28-47	A	S		6.7	7.1
84P05261	47-60	Bt1	S		6.9	7.3
84P05262	60-90	Bt2	S		7.0	7.4				--
84P05263	90-113	B	S		7.8	8.1	7.8			2
84P05264	113-129	Bk	S		8.1	8.6				4
84P05265	129-154	2C	S		8.0	8.6				2

*** Primary Characterization Data ***

Pedon ID: 84CA079033

( San Luis Obispo, California )

Print Date: Nov 21 2024 9:00PM

Sampled As	:	Yeguas		Fine-loamy, mixed, thermic Mollic Haploxeralf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  84P0928

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7A3b

7C3

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

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

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

mg g-1

84P05261

47.0-60.0

Bt1

tcly

MT 3

MI 3

VR 2

KK 2

QZ 1

KK 11

8.7

1.4

84P05262

60.0-90.0

Bt2

tcly

MI 3

MT 3

KK 2

QZ 1

KK 2

8.3

2.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks