*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled as on Oct 9, 2002:	Garceno ; Fine, mixed, superactive, hyperthermic Torrertic Calciustept
Revised to correlated:	Garceno ; Fine, mixed, superactive, hyperthermic Torrertic Calciustepts

				United States Department of Agriculture
SSL	-	Project	C2003USTX037   DUVAL, STARR, AND ZAPATA CO.S - SOUTH TEXAS	Natural Resources Conservation Service
	-	Site ID	S02-TX427-001   Lat: 26° 35' 27.50" north  Long: 98° 59' 47.01" west  MLRA: 83C	National Soil Survey Center
	-	Pedon No.	03N0176	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
03N00925	A	A	0-20	S02TX-427-001-1			CL	CL
03N00926	Bk1	Bk1	20-38	S02TX-427-001-2			SICL	C
03N00927	Bk2	Bk2	38-73	S02TX-427-001-3			SICL	C
03N00928	Bk3	Bk3	73-102	S02TX-427-001-4			SICL	C
03N00929	Bk4	Bk4	102-130	S02TX-427-001-5			SICL	C
03N00930	2Btk1	2Btk1	130-155	S02TX-427-001-6			SICL	C
03N00931	2Btk2	2Btk2	155-178	S02TX-427-001-7			SICL	C
03N00932	2BCyz	2BCyz	178-203	S02TX-427-001-8			SICL	C

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	46	% wt
Clay, carbonate free, Weighted Average	27	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1	0.49	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	22	% wt
LE, Whole Soil, Summed to 1m	5	cm/m
Volume, >2mm, Weighted Average	6	% vol
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

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
03N00925	0-20	A	S	cl	33.3	29.0	37.7	14.2	2.7	12.5	16.5	15.3	20.2	1.5	0.5	0.2	1	tr	--	23	1
03N00926	20-38	Bk1	S	c	40.3	30.4	29.3	16.8	8.8	16.1	14.3	13.0	14.0	1.5	0.4	0.4	1	2	2	20	5
03N00927	38-73	Bk2	S	c	43.3	34.0	22.7	12.0	15.7	16.6	17.4	9.9	11.1	0.8	0.4	0.5	3	9	7	29	19
03N00928	73-102	Bk3	S	c	52.8	29.9	17.3	13.3	27.9	16.4	13.5	9.0	7.3	0.5	0.3	0.2	1	2	2	13	5
03N00929	102-130	Bk4	S	c	54.7	30.6	14.7	11.3	31.7	17.8	12.8	7.8	5.8	0.6	0.4	0.1	tr	2	3	12	5
03N00930	130-155	2Btk1	S	c	50.0	32.3	17.7	11.2	24.5	18.5	13.8	9.2	7.7	0.4	0.2	0.2	1	1	--	10	2
03N00931	155-178	2Btk2	S	c	48.2	33.6	18.2	15.6	19.7	18.3	15.3	10.5	7.0	0.3	0.2	0.2	2	4	tr	13	6
03N00932	178-203	2BCyz	S	c	44.9	36.7	18.4	14.2	15.9	21.6	15.1	10.9	6.5	0.4	0.3	0.3	5	2	--	14	7

---

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	4E2a1a1a1		3F1a1a
03N00925	0-20	A	S	1.30	1.48	0.044			27.8	14.2		1.026		0.18	15	0.74	0.43
03N00926	20-38	Bk1	S	1.12	1.31	0.052			30.2	16.7		1.027		0.15		0.59	0.41
03N00927	38-73	Bk2	S	1.17	1.38	0.051			31.1	15.7		1.026		0.16		0.53	0.36
03N00928	73-102	Bk3	S	1.30	1.57	0.063			29.1	14.7		1.022	1.022	0.18		0.39	0.28
03N00929	102-130	Bk4	S	1.36	1.65	0.064			28.9	13.3		1.019	1.019	0.21		0.35	0.24
03N00930	130-155	2Btk1	S	1.33	1.70	0.084			30.3	14.3		1.020		0.21		0.41	0.29
03N00931	155-178	2Btk2	S	1.30	1.73	0.097			32.4	16.2		1.021	1.021	0.20		0.47	0.34
03N00932	178-203	2BCyz	S	1.30	1.61	0.071			29.2	15.0		1.030	1.019	0.18		0.49	0.33

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

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				4G1	4G1	4G1
03N00925	0-20	A	S	2.40	0.19	0.02	1.8		10	0.4	0.1	tr
03N00926	20-38	Bk1	S	2.86	0.15	0.02	1.0		7	0.3	tr	tr
03N00927	38-73	Bk2	S	3.51	0.08	0.02	3.0		38	0.2	tr	tr
03N00928	73-102	Bk3	S	4.66	0.05	0.03	1.0		18	0.1	--	--
03N00929	102-130	Bk4	S	4.96	0.06	0.08	1.7		28	0.1	--	--
03N00930	130-155	2Btk1	S	4.12	0.06	0.04	0.3		5	0.1	--	--
03N00931	155-178	2Btk2	S	3.40	0.03	0.04	1.7		55	0.1	--	--
03N00932	178-203	2BCyz	S	2.99	0.03	0.90	--			0.1	--	tr

---

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						4B1a1a
03N00925	0-20	A	S	58.1*	2.7	0.1	1.5	62.4					24.5				100
03N00926	20-38	Bk1	S	59.7*	4.3	0.3	0.6	64.9					23.8				100
03N00927	38-73	Bk2	S	59.1*	5.0	1.1	0.5	65.7					23.1				100
03N00928	73-102	Bk3	S	52.3*	4.3	3.5	0.4	60.5					20.5				100
03N00929	102-130	Bk4	S	47.4*	4.1	6.2	0.4	58.1					19.3				100
03N00930	130-155	2Btk1	S	50.1*	4.3	8.8	0.4	63.6					20.7				100
03N00931	155-178	2Btk2	S	49.5*	4.3	11.7	0.5	66.0					22.7				100
03N00932	178-203	2BCyz	S	92.1*	3.9	13.1	0.5	109.6					21.8				100

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

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

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
03N00925	0-20	A	S	5.0	0.6	0.2	0.2	--	5.5	--	0.2	--	--	0.1	0.2	--	--	53.9	--	0.58	0.31	tr	tr
03N00926	20-38	Bk1	S	2.9	0.6	0.8	--	--	3.6	tr	0.2	--	--	0.3	0.6	--	--	69.1	--	0.42	0.29	1	1
03N00927	38-73	Bk2	S	2.4	0.6	3.7	--	--	2.8	0.1	0.6	--	--	--	3.0	0.4	tr	57.6	tr	0.68	0.38	4	3
03N00928	73-102	Bk3	S	1.9	0.5	12.1	--	--	2.9	0.3	5.7	--	--	--	4.0	0.3	1.7	54.7	tr	1.50	0.65	14	11
03N00929	102-130	Bk4	S	3.7	1.2	31.8	0.1	--	2.1	0.7	24.2	--		--	5.9	--	3.6	50.1	0.1	3.75	1.30	24	20
03N00930	130-155	2Btk1	S	4.2	1.4	45.8	0.1	--	2.0	0.8	37.6	--	--	--	11.8	--	1.1	49.5	0.2	5.14	1.70	32	27
03N00931	155-178	2Btk2	S	7.7	2.3	64.4	0.1	--	1.4	1.9	44.2	--	--	--	26.8	--	1.1	59.5	0.3	6.91	2.72	35	29
03N00932	178-203	2BCyz	S	26.1	6.1	100.7	0.3	--	0.9	2.5	53.9	--	--	--	71.4	--	1.0	60.8	0.5	10.56	6.12	32	25

---

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		4E2a1a1a1
03N00925	0-20	A	S		7.5	8.0	7.5			5
03N00926	20-38	Bk1	S		7.6	8.0	7.6			16
03N00927	38-73	Bk2	S		7.7	8.2	7.6			5
03N00928	73-102	Bk3	S		7.8	8.5	7.7			31		--
03N00929	102-130	Bk4	S		7.9	8.4	7.7			27		--
03N00930	130-155	2Btk1	S		8.1	8.4	7.8			32		--
03N00931	155-178	2Btk2	S		8.2	8.3	7.9			14		--
03N00932	178-203	2BCyz	S		7.9	7.9	7.7			25		6

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

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

4D5a1

03N00925

0-20

A

S

6.1

03N00926

20-38

Bk1

S

3.6

03N00927

38-73

Bk2

S

5.3

03N00928

73-102

Bk3

S

6.0

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

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

7A1a1

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

03N00925

0.0-20.0

A

tcly

MI 2

MT 2

CA 1

KK 1

QZ 1

CMIX

03N00927

38.0-73.0

Bk2

tcly

CA 2

MT 2

MI 1

KK 1

QZ 1

CMIX

03N00928

73.0-102.0

Bk3

tcly

CA 3

MT 2

MI 1

KK 1

QZ 1

CMIX

03N00930

130.0-155.0

2Btk1

tcly

CA 3

MT 2

MI 1

VR 1

KK 1

CMIX

QZ 1

03N00932

178.0-203.0

2BCyz

tcly

CA 3

MT 2

VR 1

MI 1

QZ 1

CMIX

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	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

INTERPRETATION (BY HORIZON):
CMIX - Mixed Clay

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

03N00925

0.0-20.0

A

fs

88

QZ 72

CD 11

FK 10

RA 3

FP 2

FE 1

SMIX

OP 1

GN tr

CA tr

CB tr

03N00927

38.0-73.0

Bk2

csi

61

QZ 50

FK 23

CB 10

CD 7

OP 3

CA 3

SMIX

FP 2

PR 1

FE 1

MS tr

BY tr

BT tr

GN tr

GS tr

HN tr

PN tr

RA tr

SP tr

TM tr

ZE tr

ZR tr

03N00928

73.0-102.0

Bk3

csi

54

QZ 44

FK 27

CB 10

CA 6

CD 5

OP 3

SMIX

FP 1

HN 1

FE 1

RA 1

TM tr

ZR tr

MZ tr

MS tr

CL tr

EP tr

GN tr

PO tr

PN tr

PR tr

BY tr

BT tr

03N00930

130.0-155.0

2Btk1

csi

64

QZ 53

FK 21

CA 8

CD 6

OP 3

FP 2

SMIX

RA 2

CB 2

PR 1

MS 1

PO tr

TM tr

ZE tr

ZR tr

BY tr

BT tr

CL tr

EP tr

*** Primary Characterization Data ***

Pedon ID: 02TX427001

( Starr, Texas )

Print Date: Nov 21 2024 8:09PM

Sampled As	:	Garceno		Fine, mixed, superactive, hyperthermic Torrertic Calciustept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  03N0176

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

GN tr

HN tr

FE tr

MZ tr

03N00932

178.0-203.0

2BCyz

csi

61

QZ 52

FK 22

CA 10

CD 4

OP 3

FP 3

SMIX

CB 2

PR 2

GN 1

RA 1

SP tr

TM tr

ZR tr

PO tr

CL tr

HN tr

FE tr

MS tr

BY tr

BT tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
BT Biotite	BY Beryl	CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony
CL Chlorite	EP Epidote	FE Iron Oxides (Goethite	FK Potassium Feldspar	FP Plagioclase Feldspar
GN Garnet	GS Glass	HN Hornblende	MS Muscovite	MZ Monazite
OP Opaques	PN Pollen	PO Plant Opal	PR Pyroxene	QZ Quartz
RA Resistant Aggregates	SP Sphene	TM Tourmaline	ZE Zeolite	ZR Zircon

INTERPRETATION (BY HORIZON):
SMIX - Mixed Sand