*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled as on Dec 1, 1997:	WILLACY ; Fine-loamy, mixed Udic Argiustolls
Revised to SSL:	(unnamed) ; Fine-loamy, mixed, superactive, hyperthermic Vertic Natrustalf

				United States Department of Agriculture
SSL	-	Project	CP98TX051   WILLACY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1997TX489003   Lat: 26° 23' 59.70" north  Long: 97° 42' 49.59" west  MLRA: 83D	National Soil Survey Center
	-	Pedon No.	98P0180	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
98P01138	Ap1	Ap1	0-15				FSL	FSL
98P01139	Ap2	Ap2	15-29				SCL	FSL
98P01140	Btk1	Btk1	29-48				SCL	SCL
98P01141	Btk2	Btk2	48-72				SCL	SCL
98P01142	Btkz1	Btkz1	72-114				SCL	SCL
98P01143	Btkz2	Btkz2	114-150				SCL	SCL
98P01144	Btkz3	Btkz3	150-182				SCL	SCL
98P01145	B'tk	Btk'	182-200				SCL	SCL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.67	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	46	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	25	% wt
LE, Whole Soil, Summed to 1m	7	cm/m
Weighted averages based on control section: 29-79 cm

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
98P01138	0-15	Ap1	S	fsl	13.0	17.3	69.7	10.1		5.8	11.5	15.8	43.9	10.0	tr	tr	--	--	--	54	--
98P01139	15-29	Ap2	S	fsl	18.6	18.2	63.2	15.3		6.5	11.7	15.9	38.8	8.5	tr	--	--	--	--	47	--
98P01140	29-48	Btk1	S	scl	23.5	16.6	59.9	16.8		5.9	10.7	13.8	37.6	8.2	0.1	0.2	1	1	--	47	2
98P01141	48-72	Btk2	S	scl	25.5	16.2	58.3	19.2		6.5	9.7	13.3	36.6	7.8	0.2	0.4	1	1	--	46	2
98P01142	72-114	Btkz1	S	scl	28.4	18.7	52.9	19.3	1.5	8.9	9.8	13.4	31.5	6.8	0.4	0.8	1	1	--	41	2
98P01143	114-150	Btkz2	S	scl	27.2	20.9	51.9	17.9	1.3	10.3	10.6	16.4	29.2	5.6	0.3	0.4	1	2	--	37	3
98P01144	150-182	Btkz3	S	scl	24.6	21.1	54.3	15.2	2.1	10.3	10.8	15.0	33.1	6.0	0.1	0.1	1	1	--	41	2
98P01145	182-200	B'tk	S	scl	24.1	21.7	54.2	13.2	2.6	14.0	7.7	15.2	32.6	6.2	0.2	--	tr	1	--	40	1

---

Water Dispersible PSDA				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Dispersible - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)
				Clay	Silt	Sand	F	CO3	F	C	VF	F	M	C	VC
				<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1
	Depth			.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				3A1a6a	3A1a6a	3A1a6a			3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a
98P01138	0-15	Ap1	S	12.5	18.4	69.1			7.2	11.2	17.6	43.0	8.4	0.1	--

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
98P01138	0-15	Ap1	S	1.51	1.65	0.030			20.0	6.9		1.011		0.20		0.75	0.53
98P01139	15-29	Ap2	S	1.45	1.62	0.038			21.6	9.5		1.014		0.18		0.72	0.51
98P01140	29-48	Btk1	S	1.42	1.73	0.067			24.4	13.3		1.019		0.16		0.68	0.57
98P01141	48-72	Btk2	S	1.38	1.77	0.086			28.6	13.3		1.020		0.21		0.66	0.52
98P01142	72-114	Btkz1	S	1.36	1.78	0.093			31.1	13.9		1.022		0.23		0.63	0.49
98P01143	114-150	Btkz2	S	1.37	1.65	0.063			29.0	13.5		1.022		0.21		0.63	0.50
98P01144	150-182	Btkz3	S	1.45	1.62	0.037			21.1	11.7		1.020		0.13		0.63	0.48
98P01145	182-200	B'tk	S	1.45	1.61	0.035			21.3	11.0		1.017		0.15		0.58	0.46

---

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 - - - - -)
				6A2e	6B4a					6C2h	6G7g	6D2g
98P01138	0-15	Ap1	S	0.38	0.063		0.4			0.6	0.2	0.1
98P01139	15-29	Ap2	S	0.45	0.055		0.4
98P01140	29-48	Btk1	S	0.30	0.050		0.2
98P01141	48-72	Btk2	S	0.34	0.036		0.2
98P01142	72-114	Btkz1	S	0.82	0.039		0.2
98P01143	114-150	Btkz2	S	0.73			0.1
98P01144	150-182	Btkz3	S	0.97			0.1
98P01145	182-200	B'tk	S	1.58			0.5

^{1,1,2,3,4,5,6,7} Analyzed size fraction = <2 mm

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2i	6O2h	6P2f	6Q2f		6H5a			5A3a	5A8b			5C3	5C1
98P01138	0-15	Ap1	S	5.8*	3.0	0.7	0.3	9.8	1.5			11.3	9.7			87	100
98P01139	15-29	Ap2	S	8.0*	3.4	2.5	0.2	14.1	--			14.1	13.4			100	100
98P01140	29-48	Btk1	S	12.9*	5.5	5.6	0.3		--				16.0			100	100
98P01141	48-72	Btk2	S	26.5*	6.3	8.3	0.9		--				16.8			100	100
98P01142	72-114	Btkz1	S	40.8*	7.3	11.6	0.5						17.9			100	100
98P01143	114-150	Btkz2	S	42.9*	6.9	11.5	0.5						17.2			100	100
98P01144	150-182	Btkz3	S	42.8*	6.3	10.5	0.4						15.6			100	100
98P01145	182-200	B'tk	S	38.4*	5.7	9.7	0.3						14.0			100	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 - -)		%
				6N1d	6O1d	6P1d	6Q1d	6I1b	6J1b	6U1c	6K1e				6L1e	6W1c	6M1e	8A	8D5	8A3a	4F1a1a1		5E
98P01138	0-15	Ap1	S																		0.12	7
98P01139	15-29	Ap2	S																		0.22	19
98P01140	29-48	Btk1	S	0.8	0.4	7.5	0.1	--	3.2	0.3	1.3				1.5	1.2	1.6	59.1	tr	0.82	0.44	32	10
98P01141	48-72	Btk2	S	2.9	2.0	41.0	0.2	--	1.6	0.3	9.5				24.8	--	13.2	62.1	0.2	4.26	1.73	34	26
98P01142	72-114	Btkz1	S	6.9	5.3	67.5	0.2	--	1.3	--	30.5				40.2	--	14.8	63.3	0.4	7.72	3.03	41	27
98P01143	114-150	Btkz2	S	24.0	13.0	101.2	0.3	--	1.0	--	51.7				74.8	--	14.6	57.8	0.5	11.50	4.21	33	24
98P01144	150-182	Btkz3	S	20.1	11.8	97.8	0.2	--	1.1	--	58.5				60.7	--	9.2	52.9	0.5	11.15	3.71	34	24
98P01145	182-200	B'tk	S	16.7	10.4	90.5	0.3	--	1.0	--	62.3				50.8	--	4.1	44.7	0.4	10.69	3.20	40	25

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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	8C1b			4E1a1a1a1		4E2a1a1a1
98P01138	0-15	Ap1	S		6.1	7.2						--
98P01139	15-29	Ap2	S		7.7	8.7				tr		--
98P01140	29-48	Btk1	S		8.2	8.5	8.5			1		--
98P01141	48-72	Btk2	S		8.1	8.7	8.3			2		--
98P01142	72-114	Btkz1	S		8.2	8.5	8.2			5		--
98P01143	114-150	Btkz2	S		8.1	8.2	8.0			5		--
98P01144	150-182	Btkz3	S		8.1	8.3	8.0			7		--
98P01145	182-200	B'tk	S		8.2	8.4	7.7			9		--

---

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

6S3b

98P01138

0-15

Ap1

S

22.0

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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

7A2i

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

98P01138

0.0-15.0

Ap1

tcly

MI 2

KK 2

MT 2

QZ 2

VR 1

98P01141

48.0-72.0

Btk2

tcly

MI 2

KK 2

MT 2

QZ 2

VR 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
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

*** Primary Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:46PM

Sampled As	:	WILLACY		Fine-loamy, mixed Udic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0180

---

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
98P01141	48.0-72.0	Btk2	fs										74	QZ 66	FK 18	CD 7	FP 5	AR 2	OP 1
														PR tr	HE tr	CB tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	CB Carbonate Aggregates	CD Chert (Chalcedony	FK Potassium Feldspar	FP Plagioclase Feldspar
HE Hematite	OP Opaques	PR Pyroxene	QZ Quartz