*** Primary Characterization Data ***

Pedon ID: 54-CA-52-007

( Tehama, California )

Print Date: Nov 14 2025 7:55AM

Sampled as on Feb 21, 2009:	LYONSVILLE ; Fine-loamy, mixed, mesic Ultic Haploxeralfs
Revised to :

				State of California
SSL	-	Project	UCD201101   UCDavis_2011_project_1	One Shields Ave
	-	Site ID	S1954-CA-52-007   Lat: 40° 11' 43.67" north  Long: 121° 34' 1.40" west  MLRA: 22B	Dept. LAWR: CA Soil Resource Lab
	-	Pedon No.	UCD5452007	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
UCD03536	O	O	0-8	UCD1524
UCD03537	A11	A11	8-16	UCD1544			GR-L	L
UCD03538	A12	A12	16-36	UCD1576			GR-L	L
UCD03539	A3	A3	36-59	UCD1615			GR-L	L
UCD03540	B2t	B2t	59-79	UCD1672			GR-L	L
UCD03541	R	R	79-79	UCD1683

---

---

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
UCD03537	8-16	A11	S	l	12.0	37.5	50.5	6.0				11.3	10.5	6.4	9.9	12.4
UCD03538	16-36	A12	S	l	12.0	43.1	44.9	7.0				9.9	9.4	7.3	7.2	11.1
UCD03539	36-59	A3	S	l	13.0	41.5	45.5	8.0				8.7	9.0	5.8	9.5	12.5
UCD03540	59-79	B2t	S	l	18.0	44.9	37.1	10.0				7.5	7.8	6.8	6.5	8.5

*** Primary Characterization Data ***

Pedon ID: 54-CA-52-007

( Tehama, California )

Print Date: Nov 14 2025 7:55AM

Sampled As	:	LYONSVILLE		Fine-loamy, mixed, mesic Ultic Haploxeralfs
University of California at Davis Soil Resource Laboratory			;	Pedon No.  UCD5452007

---

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
UCD03537	8-16	A11	S							20.5							1.71
UCD03538	16-36	A12	S							19.8							1.65
UCD03539	36-59	A3	S							16.3							1.25
UCD03540	59-79	B2t	S							13.8							0.77

---

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 - - - - - - - - - - - - - - - - - - - - - -)

3C1c1a

UCD03537

8-16

A11

S

42.6

UCD03538

16-36

A12

S

44.4

UCD03539

36-59

A3

S

42.6

UCD03540

59-79

B2t

S

38.6

---

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
UCD03537	8-16	A11	S		0.17			6.50	38
UCD03538	16-36	A12	S		0.12			4.70	39
UCD03539	36-59	A3	S		0.09			3.10	36
UCD03540	59-79	B2t	S		0.04			0.91	24

*** Primary Characterization Data ***

Pedon ID: 54-CA-52-007

( Tehama, California )

Print Date: Nov 14 2025 7:55AM

Sampled As	:	LYONSVILLE		Fine-loamy, mixed, mesic Ultic Haploxeralfs
University of California at Davis Soil Resource Laboratory			;	Pedon No.  UCD5452007

---

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

UCD03537

8-16

A11

S

5.8

UCD03538

16-36

A12

S

5.9

UCD03539

36-59

A3

S

6.0

UCD03540

59-79

B2t

S

6.1

---

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

UCD03537

8-16

A11

S

0.1

UCD03538

16-36

A12

S

tr

UCD03539

36-59

A3

S

tr

UCD03540

59-79

B2t

S

tr