*** Primary Characterization Data ***

Pedon ID: 58-CA-52-017

( Tehama, California )

Print Date: Apr 15 2026 4:54AM

Sampled as on Feb 9, 2009:	NEUNS ; Loamy-skeletal, mixed, mesic Dystric Lithic Xerochrepts
Revised to :

				State of California
SSL	-	Project	UCD201101   UCDavis_2011_project_1	One Shields Ave
	-	Site ID	S1958-CA-52-017   Lat: 40° 14' 13.83" north  Long: 122° 55' 12.76" west  MLRA: 5	Dept. LAWR: CA Soil Resource Lab
	-	Pedon No.	UCD5852017	University of California at Davis
	-	General Methods 1B1A, 2A1, 2B		Davis, CA 95616

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
UCD01456	O1/O2	O1/O2	0-5	UCD3058
UCD01457	A11	A11	5-10	UCD3079			ST-COSL	COSL
UCD01458	A12	A12	10-30	UCD3107			GRV-L	L
UCD01459	B2	B2	30-48	UCD3133			GRV-L	L
UCD01460	R	R	48-48	UCD3674

---

---

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
					hyd1			hyd1				hyd1	hyd1	hyd1	hyd1	hyd1
UCD01457	5-10	A11	S	COSL	7.0	38.2	54.8	5.0				10.0	10.2	5.6	10.4	18.6
UCD01458	10-30	A12	S	l	9.0	41.9	49.1	6.0				10.4	11.5	7.9	7.6	11.7
UCD01459	30-48	B2	S	l	9.0	41.9	49.1	6.0				11.0	11.6	6.3	9.9	10.3

---

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

UCD01457

5-10

A11

S

9.9

1.41

UCD01458

10-30

A12

S

6.5

0.72

UCD01459

30-48

B2

S

6.0

0.67

*** Primary Characterization Data ***

Pedon ID: 58-CA-52-017

( Tehama, California )

Print Date: Apr 15 2026 4:54AM

Sampled As	:	NEUNS		Loamy-skeletal, mixed, mesic Dystric Lithic Xerochrepts
University of California at Davis Soil Resource Laboratory			;	Pedon No.  UCD5852017

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
												3C1b1a	3C1c1a
UCD01457	5-10	A11	S									36.9	25.2
UCD01458	10-30	A12	S									32.5	23.6
UCD01459	30-48	B2	S									31.6	22.2

---

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 - - - - -)

4H2a

6A1

UCD01457

5-10

A11

S

0.09

3.85

41

UCD01458

10-30

A12

S

0.05

1.87

38

UCD01459

30-48

B2

S

0.03

1.33

40

---

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

UCD01457

5-10

A11

S

5.7

UCD01458

10-30

A12

S

5.8

UCD01459

30-48

B2

S

5.5

*** Primary Characterization Data ***

Pedon ID: 58-CA-52-017

( Tehama, California )

Print Date: Apr 15 2026 4:54AM

Sampled As	:	NEUNS		Loamy-skeletal, mixed, mesic Dystric Lithic Xerochrepts
University of California at Davis Soil Resource Laboratory			;	Pedon No.  UCD5852017

---

Phosphorous

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

4D5a1

UCD01457

5-10

A11

S

0.5

UCD01458

10-30

A12

S

0.1

UCD01459

30-48

B2

S

tr