*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled as on Aug 4, 1998:	Pledger ; Fine, smectitic Typic Hapluderts
Revised to SSL:	(unnamed) ; Fine, smectitic, hyperthermic Typic Hapludert

				United States Department of Agriculture
SSL	-	Project	CP98TX146   TEXAS PLEDGER	Natural Resources Conservation Service
	-	Site ID	S1998TX039003A   Lat: 29° 7' 7.94" north  Long: 95° 46' 52.88" west	National Soil Survey Center
	-	Pedon No.	98P0581	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
98P03460	A	A	0-18				C	C
98P03461	A/Bk	A/Bk	18-33				C	C
98P03462	Bk	Bk	33-55				C	C
98P03463	Bkss1	Bkss1	55-102				C	C
98P03464	Bkss2	Bkss2	102-130				C	C
98P03465	Bss	Bss	130-179				C	SIC
98P03466	BC1	BC1	179-185					C
98P03467	BC2	BC2	185-198					C
98P03468	BC3	BC3	198-220					SIC

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.63	(NA)
Clay, carbonate free, Weighted Average	53	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	11	% wt
Volume, >2mm, Weighted Average	3	% vol
Clay, total, Weighted Average	58	% wt
LE, Whole Soil, Summed to 1m	14	cm/m
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled As	:	Pledger		Fine, smectitic Typic Hapluderts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0581

---

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
98P03460	0-18	A	S	c	66.7	29.3	4.0	39.5	0.8	26.2	3.1	1.0	0.7	0.6	0.8	0.9	--	tr	--	3	tr
98P03461	18-33	A/Bk	S	c	60.9	32.8	6.3	24.1	3.8	30.4	2.4	0.5	0.6	0.9	2.1	2.2	tr	1	--	7	1
98P03462	33-55	Bk	S	c	58.0	36.3	5.7	20.4	5.2	32.9	3.4	0.3	0.7	1.0	1.3	2.4	6	1	--	12	7
98P03463	55-102	Bkss1	S	c	57.8	36.7	5.5	21.8	4.9	34.7	2.0	0.4	0.7	0.9	1.6	1.9	4	3	--	12	7
98P03464	102-130	Bkss2	S	c	59.5	37.4	3.1	23.6		34.9	2.5	0.4	0.5	0.5	0.6	1.1	3	2	--	9	5
98P03465	130-179	Bss	S	sic	54.2	43.5	2.3	20.8	4.9	38.2	5.3	0.3	0.5	0.4	0.5	0.6	--	--	--	2	--
98P03466	179-185	BC1	S	c	59.8	39.0	1.2	22.9	4.3	34.7	4.3	0.2	0.3	0.2	0.2	0.3	--	1	--	3	1
98P03467	185-198	BC2	S	c	59.0	39.9	1.1	23.7	4.9	35.0	4.9	0.5	0.2	0.2	0.1	0.1	--	tr	--	1	tr
98P03468	198-220	BC3	S	sic	50.8	47.2	2.0	22.2	4.3	38.3	8.9	1.6	0.3	0.1	tr	tr	--	tr	--	tr	tr

---

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
98P03460	0-18	A	S	1.02	1.74	0.195			49.6	33.7		1.046		0.16		0.70	0.51
98P03461	18-33	A/Bk	S	1.29	1.96	0.148			33.1	25.4		1.039		0.10		0.63	0.42
98P03462	33-55	Bk	S	1.34	1.98	0.132			31.4	22.3		1.038		0.12		0.58	0.38
98P03463	55-102	Bkss1	S	1.39	1.97	0.118			30.3	21.8		1.037		0.11		0.56	0.38
98P03464	102-130	Bkss2	S	1.39	1.93	0.111			30.8	22.5		1.036		0.11		0.56	0.38
98P03465	130-179	Bss	S	1.40	1.93	0.113			30.4	21.8		1.033		0.12		0.57	0.40
98P03466	179-185	BC1	S	1.44	1.93	0.102			29.0	22.5		1.037		0.09		0.54	0.38
98P03467	185-198	BC2	S	1.38	1.92	0.116			31.5	22.7		1.036		0.12		0.55	0.38
98P03468	198-220	BC3	S	1.40	1.88	0.103			28.9	21.0		1.033		0.11		0.57	0.41

*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled As	:	Pledger		Fine, smectitic Typic Hapluderts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0581

---

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 - - - - - - - - - - - - - - - - - - - - - -)
						NK			4B4						3C1e1a
98P03460	0-18	A	S			1.39			25.4						39.3
98P03461	18-33	A/Bk	S			1.64			17.5						34.6
98P03462	33-55	Bk	S			1.70			17.4						29.2
98P03463	55-102	Bkss1	S			1.69			19.1						28.9
98P03464	102-130	Bkss2	S			1.72			18.9						29.4
98P03465	130-179	Bss	S			1.70			19.7						28.5
98P03466	179-185	BC1	S			1.65			21.3						29.2
98P03467	185-198	BC2	S			1.75			16.8						30.2
98P03468	198-220	BC3	S			1.72			14.2						27.8

---

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 - - - - -)
				6A2e	6B4a					6C2h	6G7g	6D2g		8J1c	6C9b	6G12b	6V2b	6D5b
98P03460	0-18	A	S	3.71	0.291		2.8		10	1.5	0.2	0.1	0.28	0.16	0.22	0.17	0.09	448.0
98P03461	18-33	A/Bk	S	3.50	0.143		3.1		21	1.5	0.2	0.1	0.22	0.06	0.12	0.16	0.09	273.0
98P03462	33-55	Bk	S	3.44	0.067		0.6			1.3	0.2	tr	0.16	0.04	0.05	0.14	0.06	381.0
98P03463	55-102	Bkss1	S	3.16	0.076		0.4			1.4	0.2	tr	0.14	0.04	0.05	0.12	0.06	272.0
98P03464	102-130	Bkss2	S	2.90			0.5			1.3	0.1	tr	0.14	0.03	0.07	0.11	0.06	175.0
98P03465	130-179	Bss	S	2.93			0.4			1.2	0.1	tr	0.16	0.03	0.10	0.11	0.09	234.0
98P03466	179-185	BC1	S	2.31			--			1.4	0.1	tr	0.16	0.03	0.13	0.09	0.06	427.0
98P03467	185-198	BC2	S	2.46			0.2			1.2	0.1	tr	0.19	0.04	0.15	0.11	0.08	363.0
98P03468	198-220	BC3	S	2.49			0.2			1.0	0.1	tr	0.17	0.03	0.15	0.09	0.08	480.0

^{1,1,2,3,4,5,6,7,8} Analyzed size fraction = <2 mm

*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled As	:	Pledger		Fine, smectitic Typic Hapluderts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0581

---

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						5A8b			5C3	5C1
98P03460	0-18	A	S	79.4*	5.0	0.3	1.4						46.6			100	100
98P03461	18-33	A/Bk	S	72.6*	4.4	0.3	1.1						38.1			100	100
98P03462	33-55	Bk	S	67.5*	5.8	0.6	0.9						33.7			100	100
98P03463	55-102	Bkss1	S	67.8*	5.9	0.6	0.7						32.5			100	100
98P03464	102-130	Bkss2	S	66.6*	7.5	0.9	0.7						33.3			100	100
98P03465	130-179	Bss	S	61.8*	7.4	1.0	0.6						30.7			100	100
98P03466	179-185	BC1	S	63.9*	9.1	1.4	1.0						32.2			100	100
98P03467	185-198	BC2	S	65.1*	7.8	1.2	0.9						32.2			100	100
98P03468	198-220	BC3	S	63.6*	6.9	1.1	0.9						29.2			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
98P03460	0-18	A	S	10.5	1.5	0.1	0.4	--	9.0	--	0.4				0.6	tr	tr	92.0	0.1	1.04	0.50	1	--
98P03461	18-33	A/Bk	S	5.8	0.9	--	0.2	--	5.2	tr	0.3				0.4	tr	tr	85.4	tr	0.65	0.25	1	--
98P03462	33-55	Bk	S																		0.21	2
98P03463	55-102	Bkss1	S																		0.21	2
98P03464	102-130	Bkss2	S	2.8	0.9	1.4	0.1	--	2.4	0.2	1.1				1.9	--	tr	88.9	tr	0.56	0.30	2	1
98P03465	130-179	Bss	S	3.7	1.2	2.4	0.2	--	2.0	0.1	3.4				2.7	--	tr	83.2	tr	0.79	0.45	3	2
98P03466	179-185	BC1	S	6.9	2.8	4.5	0.2	--	1.5	0.1	10.4				3.0	0.1	0.1	84.3	0.1	1.49	0.71	3	2
98P03467	185-198	BC2	S	7.2	2.4	3.8	0.3	--	1.6	0.1	9.2				3.4	0.1	0.1	89.0	0.1	1.42	0.71	3	2
98P03468	198-220	BC3	S	7.1	2.3	3.5	0.3	--	1.4	0.1	11.1				2.2	0.1	0.1	85.6	0.1	1.41	0.75	3	2

*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled As	:	Pledger		Fine, smectitic Typic Hapluderts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0581

---

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
98P03460	0-18	A	S		7.2	7.4	6.9			8		--
98P03461	18-33	A/Bk	S		7.4	7.6	7.3			4
98P03462	33-55	Bk	S		7.6	7.8				24
98P03463	55-102	Bkss1	S		7.6	8.0				23
98P03464	102-130	Bkss2	S		7.6	7.9	8.0			20
98P03465	130-179	Bss	S		7.6	7.8	7.9			21
98P03466	179-185	BC1	S		7.6	7.8	7.9			21		--
98P03467	185-198	BC2	S		7.6	7.6	7.8			19		--
98P03468	198-220	BC3	S		7.6	7.9	7.8			19		--

---

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

6S8a

98P03460

0-18

A

S

354.0

98P03461

18-33

A/Bk

S

221.0

98P03462

33-55

Bk

S

196.0

98P03463

55-102

Bkss1

S

188.0

98P03464

102-130

Bkss2

S

217.0

98P03465

130-179

Bss

S

234.0

98P03466

179-185

BC1

S

336.0

98P03467

185-198

BC2

S

323.0

98P03468

198-220

BC3

S

313.0

*** Primary Characterization Data ***

Pedon ID: 98TX039003A

( Brazoria, Texas )

Print Date: Apr 19 2024 8:30PM

Sampled As	:	Pledger		Fine, smectitic Typic Hapluderts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  98P0581

---

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

&nbsp;

&nbsp;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

98P03461

18.0-33.0

A/Bk

tcly

MT 3

MI 2

KK 2

CA 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03463

55.0-102.0

Bkss1

tcly

MT 3

CA 3

KK 2

MI 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

98P03465

130.0-179.0

Bss

tcly

MT 3

CA 3

KK 2

MI 2

QZ 2

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

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98P03468

198.0-220.0

BC3

tcly

MT 3

KK 2

MI 2

VR 2

CA 2

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QZ 1

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FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

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