*** Primary Characterization Data ***

Pedon ID: S2016OK149029

( Washita, Oklahoma )

Print Date: Dec 8 2025 12:46PM

Sampled as on Feb 10, 2016:	Obaro ; Fine-silty, mixed, superactive, thermic Typic Haplustepts
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2016USOK041   Site_C NEON OK Klemme Range	Natural Resources Conservation Service
	-	Site ID	S2016OK149029   Lat: 35° 24' 55.94" north  Long: 99° 2' 56.39" west  MLRA: 78C	National Soil Survey Center
	-	Pedon No.	16N0519	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
16N02156	A	A	0-16	S2016OK149029-1			L	SIL
16N02157	Bw	Bw	16-42	S2016OK149029-2			GR-SICL	SIL
16N02158	Bw/Cr	Bw/Cr	42-58	S2016OK149029-3			GR-SICL	SIL
16N02159	Cr	Cr	58-79	S2016OK149029-4			WB	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.96	(NA)
Clay, total, Weighted Average	15	% wt
Clay, carbonate free, Weighted Average	13	% wt
Volume, >2mm, Weighted Average	18	% vol
Weighted Particles, 0.1-75mm, 75 mm Base	35	% wt
Weighted averages based on control section: 25-58 cm

---

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
16N02156	0-16	A	S	sil	16.3	66.8	16.9		--	29.1	37.7	13.1	2.5	0.7	0.4	0.2	6	2	--	11	8
16N02157	16-42	Bw	S	sil	15.5	70.5	14.0		2.1	39.2	31.3	7.8	2.6	2.0	1.4	0.2	22	9	1	36	32
16N02158	42-58	Bw/Cr	S	sil	14.0	73.0	13.0		2.3	41.7	31.3	6.7	2.4	2.1	1.2	0.6	18	9	2	33	29
16N02159	58-79	Cr	S	sil	14.5	71.3	14.2		1.5	42.4	28.9	7.0	2.1	2.6	1.9	0.6	24	9	--	38	33

*** Primary Characterization Data ***

Pedon ID: S2016OK149029

( Washita, Oklahoma )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Obaro		Fine-silty, mixed, superactive, thermic Typic Haplustepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  16N0519

---

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			3D1
16N02156	0-16	A	S	1.37	1.43	0.014			20.1			1.026				0.91
16N02157	16-42	Bw	S	1.33	1.40	0.014			18.8			1.028				0.92
16N02158	42-58	Bw/Cr	S	1.31	1.41	0.021			20.7			1.027				1.00
16N02159	58-79	Cr	S									1.028				0.72

---

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		4G2	4G2	4G2	4G2	4G2
16N02156	0-16	A	S	3.44	0.17	0.01	1.3		8	1.6	--	tr	0.06	0.02	--	0.06	0.02	238.8
16N02157	16-42	Bw	S	2.85	0.06	tr	0.4		6	1.9	--	tr	0.07	0.01	--	0.07	0.02	141.4
16N02158	42-58	Bw/Cr	S	3.03	0.05	0.01	0.2		4	1.8	--	tr	0.06	0.02	--	0.06	0.01	128.8
16N02159	58-79	Cr	S	2.44	0.03	--	tr		2	2.0	--	tr	0.05	0.01	--	0.05	0.02	132.7

---

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
16N02156	0-16	A	S	44.7*	6.9	--	0.6	52.2					14.9				100
16N02157	16-42	Bw	S	54.3*	5.2	--	0.4	59.9					14.2				100
16N02158	42-58	Bw/Cr	S	53.0*	6.7	--	0.3	60.0					14.0				100
16N02159	58-79	Cr	S	48.8*	9.1	--	0.2	58.1					10.4				100

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

*** Primary Characterization Data ***

Pedon ID: S2016OK149029

( Washita, Oklahoma )

Print Date: Dec 8 2025 12:46PM

Sampled As	:	Obaro		Fine-silty, mixed, superactive, thermic Typic Haplustepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  16N0519

---

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
16N02156	0-16	A	S	5.2	1.5	--	0.5	--	5.7	--	0.4	--	--	0.6	0.3	0.4	tr	45.1	tr	0.67	0.26	1	--
16N02157	16-42	Bw	S																		0.16	--
16N02158	42-58	Bw/Cr	S																		0.15	--
16N02159	58-79	Cr	S																		0.13	--

---

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

16N02156

0-16

A

S

7.7

8.2

7.8

18

16N02157

16-42

Bw

S

7.9

8.5

21

16N02158

42-58

Bw/Cr

S

8.0

8.6

23

16N02159

58-79

Cr

S

8.0

8.7

20

---

Phosphorous

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)

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

16N02156

0-16

A

S

305.4

5.3

16N02157

16-42

Bw

S

358.8

2.1

16N02158

42-58

Bw/Cr

S

288.2

3.9

16N02159

58-79

Cr

S

320.2

1.9