*** Primary Characterization Data ***

Pedon ID: 86TX255001

( Karnes, Texas )

Print Date: Apr 19 2024 5:43AM

Sampled as on Sep 1, 1986:	Pavelek ; Clayey, montmorillonitic, hyperthermic, shallow Petrocalcic Calciustoll
Revised to correlated:	Pavelek ; Clayey, smectitic, hyperthermic, shallow Petrocalcic Calciustolls

				United States Department of Agriculture
SSL	-	Project	RP87TX100   KARNES COUNTY	Natural Resources Conservation Service
	-	Site ID	S1986TX255001   Lat: 28° 52' 36.00" north  Long: 97° 59' 1.99" west  MLRA: 83A	National Soil Survey Center
	-	Pedon No.	87P0262	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
87P01311	B/Bk	B/Ck	18-35				C	C
87P01312	2Crkm	2CRkm	35-200					L

---

---

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	3B1	3B1	3B1
87P01311	18-35	B/Bk	S	c	45.1	27.3	27.6		4.9	17.6	9.7	7.8	10.0	3.5	2.8	3.5	5	10	19	47	34
87P01312	35-200	2Crkm	S	l	18.0	46.3	35.7			33.6	12.7	16.0	13.6	4.5	1.2	0.4	tr	--	--	20	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	%
										3C2a1a		3D1				8D1	8D1
87P01311	18-35	B/Bk	S							22.8		1.051				0.76	0.51
87P01312	35-200	2Crkm	S							25.0		1.074				2.43	1.39

*** Primary Characterization Data ***

Pedon ID: 86TX255001

( Karnes, Texas )

Print Date: Apr 19 2024 5:43AM

Sampled As	:	Pavelek		Clayey, montmorillonitic, hyperthermic, shallow Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0262

---

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 - - - - -)

6A1c

87P01311

18-35

B/Bk

S

1.81

87P01312

35-200

2Crkm

S

0.05

---

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

6P2b

6Q2b

5A8b

5C3

5C1

87P01311

18-35

B/Bk

S

68.0*

1.1

tr

0.9

34.5

100

100

87P01312

35-200

2Crkm

S

57.1*

1.9

0.4

1.2

43.7

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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
87P01311	18-35	B/Bk	S	6.2	0.2	0.4	0.2	--	5.6	0.2	0.3				0.3	--	--	78.4	tr	0.62	0.33	--	tr
87P01312	35-200	2Crkm	S																		0.17	1

---

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

6E1g

6E4

87P01311

18-35

B/Bk

S

7.5

7.7

7.0

22

32

87P01312

35-200

2Crkm

S

7.7

8.2

2

*** Primary Characterization Data ***

Pedon ID: 86TX255001

( Karnes, Texas )

Print Date: Apr 19 2024 5:43AM

Sampled As	:	Pavelek		Clayey, montmorillonitic, hyperthermic, shallow Petrocalcic Calciustoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0262

---

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

87P01311

18.0-35.0

B/Bk

csi

 

 

 

 

 

 

 

 

 

56

QZ 41

FK 13

CA 9

AR 9

CB 8

PO 8

 

 

 

 

 

 

 

 

 

 

 

CD 4

FP 4

OP 2

OR 1

PR 1

GS 1

 

 

 

 

 

 

 

 

 

 

AM tr

 

 

 

 

 

 

87P01312

35.0-200.0

2Crkm

csi

 

 

 

 

 

 

 

 

 

25

AR 67

PO 13

QZ 12

FK 6

FP 1

MI 1

 

 

 

 

 

 

 

 

 

 

 

CA tr

OP tr

 

 

 

 

 

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm	 	 	 	 

MINERAL INTERPRETATION:
AM Amphibole	AR Weatherable Aggregates	CA Calcite	CB Carbonate Aggregates	CD Chert (Chalcedony
FK Potassium Feldspar	FP Plagioclase Feldspar	GS Glass	MI Mica	OP Opaques
OR Other Resistant Minerals	PO Plant Opal	PR Pyroxene	QZ Quartz