*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled as on Mar 20, 2012:	Amarillo ; Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
Revised to correlated:	Amarillo ; Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs

				United States Department of Agriculture
SSL	-	Project	C2012USTX055   CRP Baseline OC Study	Natural Resources Conservation Service
	-	Site ID	S2012TX445001   Lat: 33° 3' 32.21" north  Long: 102° 24' 23.24" west  MLRA: 77C	National Soil Survey Center
	-	Pedon No.	12N7899	Kellogg 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
12N02469	Ap1	Ap1	0-5	S12TX445001-1			FSL	LFS
12N02470	Ap2	Ap2	5-10	S12TX445001-2			FSL	LFS
12N02471	Ap3	Ap3	10-25	S12TX445001-3			FSL	LFS
12N02472	Bt1	Bt1	25-60	S12TX445001-4			SCL	FSL
12N02473	Bt2	Bt2	60-96	S12TX445001-5			SCL	FSL
12N02474	Btk	Btk	96-130	S12TX445001-6			SCL	FSL
12N02475	Btkk1	Btkk1	130-177	S12TX445001-7			CL	SCL
12N02476	Btkk2	Btkk2	177-203	S12TX445001-8			CL	FSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	53	% wt
Volume, >2mm, Weighted Average	0	% vol
LE, Whole Soil, Summed to 1m	2	cm/m
Clay, total, Weighted Average	17	% wt
Clay, carbonate free, Weighted Average	17	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.66	(NA)
Weighted averages based on control section: 25-75 cm

*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7899

---

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
12N02469	0-5	Ap1	S	lfs	10.0	8.9	81.1	8.3		2.4	6.5	17.9	49.3	13.8	0.1	tr	--	--	--	63	--
12N02470	5-10	Ap2	S	lfs	9.0	8.2	82.8	7.5		2.1	6.1	14.9	57.0	10.8	0.1	tr	--	--	--	68	--
12N02471	10-25	Ap3	S	lfs	8.6	7.4	84.0	7.7		2.5	4.9	20.9	52.6	10.3	0.2	--	--	--	--	63	--
12N02472	25-60	Bt1	S	fsl	17.9	12.4	69.7	14.5		5.2	7.2	18.8	41.4	9.4	0.1	--	--	--	--	51	--
12N02473	60-96	Bt2	S	fsl	15.3	10.1	74.6	12.8		4.2	5.9	17.9	44.7	11.9	0.1	--	--	--	--	57	--
12N02474	96-130	Btk	S	fsl	16.7	7.6	75.7	10.8	1.5	2.6	5.0	14.9	51.8	8.7	0.2	0.1	--	--	--	61	--
12N02475	130-177	Btkk1	S	scl	25.0	17.3	57.7	9.4	15.7	11.2	6.1	12.9	34.7	9.0	0.8	0.3	--	--	--	45	--
12N02476	177-203	Btkk2	S	fsl	18.9	24.8	56.3	6.9	11.1	17.6	7.2	12.6	33.5	8.8	0.8	0.6	--	--	--	44	--

---

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	%
				DbWR1	DbWR1				DbWR1	3C2a1a		3D1
12N02469	0-5	Ap1	S	1.66	1.80	0.027			12.3	4.1		1.014		0.14		0.84	0.41
12N02470	5-10	Ap2	S	1.66	1.70	0.008			9.9	3.9		1.012		0.10		0.80	0.43
12N02471	10-25	Ap3	S	1.66	1.72	0.012			12.1	3.1		1.011		0.15		0.73	0.36
12N02472	25-60	Bt1	S	1.59	1.68	0.019			13.6	6.6		1.024		0.11		0.64	0.37
12N02473	60-96	Bt2	S	1.60	1.70	0.020			11.8	5.7		1.021		0.10		0.69	0.37
12N02474	96-130	Btk	S	1.53	1.64	0.023			13.6	6.3		1.023		0.11		0.59	0.38
12N02475	130-177	Btkk1	S	1.61	1.75	0.028			17.4	8.1		1.017		0.15		0.30	0.32
12N02476	177-203	Btkk2	S	1.83	1.90	0.013			10.0	6.2		1.015		0.07		0.33	0.33

*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7899

---

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 - - - - - - - - - - - - - - - - - - - - - -)
						3B6			3B6
12N02469	0-5	Ap1	CDB			1.69			9.9
12N02470	5-10	Ap2	CDB						8.7
12N02471	10-25	Ap3	CDB						12.6
12N02472	25-60	Bt1	CDB						16.8

---

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	4H2a	4H2a								4G2	4G2	4G2	4G2	4G2
12N02469	0-5	Ap1	S	0.86	0.07	--	0.8		12				0.05	0.01	0.02	0.04	0.02	47.5
12N02470	5-10	Ap2	S	0.45	0.07	--	0.4		6				0.04	0.01	0.02	0.03	0.02	45.3
12N02471	10-25	Ap3	S	0.28	0.01	--	0.3		51				0.05	0.01	0.03	0.03	0.02	46.1
12N02472	25-60	Bt1	S	0.28	0.05	--	0.2		5				0.07	0.03	0.03	0.05	0.03	83.2
12N02473	60-96	Bt2	S	0.20	0.05	--	0.2		3				0.05	tr	0.02	0.04	0.03	60.8
12N02474	96-130	Btk	S	0.46	0.05	--	0.2		4				0.05	tr	0.02	0.04	0.03	20.1
12N02475	130-177	Btkk1	S	4.10	0.02	--	0.3		16				0.02	0.02	0.01	0.02	0.01	10.7
12N02476	177-203	Btkk2	S	4.76	0.04	--	0.2		5				0.01	--	0.01	0.01	0.01	7.8

*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7899

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1				4B1a1a
12N02469	0-5	Ap1	S	12.5*	1.2	--	0.7	14.4	5.9				8.4				100
12N02470	5-10	Ap2	S	7.4*	0.8	--	0.6	8.8	5.3				7.2				100
12N02471	10-25	Ap3	S	6.5*	0.6	--	0.5	7.6	4.7				6.3				100
12N02472	25-60	Bt1	S	11.3*	1.3	--	0.4	13.0	0.9				11.5				100
12N02473	60-96	Bt2	S	11.3*	1.1	--	0.4	12.8	0.6				10.5				100
12N02474	96-130	Btk	S	46.0*	1.3	--	0.4	47.7					9.9				100
12N02475	130-177	Btkk1	S	52.2*	1.6	--	0.2	54.0					7.4				100
12N02476	177-203	Btkk2	S	46.6*	2.0	--	0.2	48.8					6.2				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 - -)		%
				4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2		4F2	4F1a1a1
12N02469	0-5	Ap1	S	7.1	1.2	--	0.6	--	2.9	--	0.4	--	--	--	0.5	1.3	3.0	33.3	tr	0.94	0.29	tr	--
12N02470	5-10	Ap2	S																		0.16	--
12N02471	10-25	Ap3	S																		0.08	--
12N02472	25-60	Bt1	S																		0.05	--
12N02473	60-96	Bt2	S																		0.10	--
12N02474	96-130	Btk	S																		0.11	--
12N02475	130-177	Btkk1	S																		0.15	--
12N02476	177-203	Btkk2	S																		0.17	--

*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7899

---

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

4F2

4E1a1a1a1

12N02469

0-5

Ap1

S

7.3

7.7

7.5

tr

12N02470

5-10

Ap2

S

7.3

7.8

tr

12N02471

10-25

Ap3

S

7.3

8.0

tr

12N02472

25-60

Bt1

S

7.3

8.1

tr

12N02473

60-96

Bt2

S

7.6

8.3

tr

12N02474

96-130

Btk

S

7.7

8.4

2

12N02475

130-177

Btkk1

S

7.8

8.4

32

12N02476

177-203

Btkk2

S

7.9

8.4

38

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

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

4G2

4D6a1

12N02469

0-5

Ap1

S

37.4

8.8

12N02470

5-10

Ap2

S

20.7

3.7

12N02471

10-25

Ap3

S

27.7

2.3

12N02472

25-60

Bt1

S

29.8

2.1

12N02473

60-96

Bt2

S

19.6

12N02474

96-130

Btk

S

36.1

12N02475

130-177

Btkk1

S

44.8

12N02476

177-203

Btkk2

S

15.5

*** Primary Characterization Data ***

Pedon ID: S2012TX445001

( Terry, Texas )

Print Date: Jan 30 2025 12:25AM

Sampled As	:	Amarillo		Fine-loamy, mixed, superactive, thermic Aridic Paleustalf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  12N7899

---

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

7A1b1

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

12N02469

0.0-5.0

Ap1

tcly

MI 2

KK 2

MT 2

CMIX

12N02472

25.0-60.0

Bt1

tcly

MT 3

MI 2

KK 2

SMEC

12N02473

60.0-96.0

Bt2

tcly

MT 3

MI 2

KK 2

SMEC

12N02475

130.0-177.0

Btkk1

tcly

CA 3

MT 2

MI 1

KK 1

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	KK Kaolinite	MI Mica	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay	SMEC - Smectitic