*** Primary Characterization Data ***

Pedon ID: S81TX267001

( Kimble, Texas )

Print Date: Apr 25 2024 8:47AM

Sampled as on Jul 22, 1981:	Cho variant
Revised to correlated:	Cho ; Loamy, mixed, thermic, shallow Petrocalcic Calciustolls

				State of Texas
SSL	-	Project	TX201201   Texas A&M University 2012 Project 1	Texas A&M University
	-	Site ID	S81-TX267-001   Lat: 30° 26' 24.00" north  Long: 99° 55' 53.00" west  MLRA: 81B	University Soil Laboratory
	-	Pedon No.	S81TX267001	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		College Station, Texas

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
TAMU1218	A1	A1	0-1	S81TX267001-1			GR-SIL	SIL
TAMU1219	A2	A2	1-6	S81TX267001-2			GR-SICL	SICL
TAMU1220	A/Bkm	A/Bkm	6-20	S81TX267001-3				SIC
TAMU1221	Crk1	Crk1	20-23	S81TX267001-4
TAMU1222	Crk1	Crk1	23-28	S81TX267001-5
TAMU1223	Crk2	Crk2	28-39	S81TX267001-6
TAMU1224	Crk3	Crk3	39-56	S81TX267001-7

---

---

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
TAMU1218	0-1	A1	S	SIL	25.2	69.8	5.0	4.4		33.6	36.2	1.3	1.0	0.6	0.9	1.2
TAMU1219	1-6	A2	S	SICL	36.0	60.8	3.2	7.8		33.8	27.0	1.1	0.7	0.3	0.4	0.7
TAMU1220	6-20	A/Bkm	S	SIC	47.3	50.4	2.3	25.4		28.3	22.1	1.0	0.5	0.2	0.2	0.4

---

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

%

TAMU1218

0-1

A1

S

2.39

TAMU1219

1-6

A2

S

1.78

TAMU1220

6-20

A/Bkm

S

1.38

*** Primary Characterization Data ***

Pedon ID: S81TX267001

( Kimble, Texas )

Print Date: Apr 25 2024 8:47AM

Sampled As	:	Cho variant
Texas A&M University Soil Survey Laboratory			;	Pedon No.  S81TX267001

---

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 - - - - -)

6A2a

TAMU1218

0-1

A1

S

10.17

9

TAMU1219

1-6

A2

S

7.27

7

---

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	6P2a	6Q2a						CECNH4_TAMU
TAMU1218	0-1	A1	S	80.5*	5.1	0.1	2.4	88.1					60.3				100
TAMU1219	1-6	A2	S	75.6*	3.4	0.2	2.5	81.7					63.9				100
TAMU1220	6-20	A/Bkm	S	85.3*	2.7	0.2	0.9	89.1					65.5				100

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

---

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 - -)		%
				SATP_TAMU	SATP_TAMU	SATP_TAMU	SATP_TAMU		SATP_TAMU		SATP_TAMU				SATP_TAMU			SATP_TAMU		SATP_TAMU
TAMU1218	0-1	A1	S	12.7	1.5	0.2	0.6		9.7		1.8				1.3			38.0	tr	1.20		--	--
TAMU1219	1-6	A2	S	5.0	0.4	0.5	0.3		4.8		0.6				0.7			82.0	tr	0.70		--	--
TAMU1220	6-20	A/Bkm	S	7.3	0.5	0.5	0.1		5.9		0.7				0.4			99.0	tr	0.80		--	--

---

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

8C1a

TAMU1218

0-1

A1

S

7.2

TAMU1219

1-6

A2

S

7.3

TAMU1220

6-20

A/Bkm

S

7.4