*** Primary Characterization Data ***

Pedon ID: 76-OK095-48-6

( Marshall, Oklahoma )

Print Date: Mar 2 2025 8:54AM

Sampled as on Mar 14, 1976:	Durant
Revised to correlated on Feb 14, 2016:	Durant ; Fine, smectitic, thermic Udertic Argiustolls

				State of Oklahoma
SSL	-	Project	OKSU201401   Oklahoma State Univeristy	Oklahoma State University
	-	Site ID	76-OK095-48-6   Lat: 34° 4' 42.50" north  Long: 96° 40' 14.00" west  MLRA: 84B	Soil Characterization Laboratory
	-	Pedon No.	76-OK-48-6	045 Agriculture Hall
	-	General Methods 1B1A, 2A1, 2B		Stillwater, Oklahoma 74078

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
76OK4861	A	A	0-28	76-OK095-48-6-1	76OK4861		L
76OK4862	B	B	28-46	76-OK095-48-6-2	76OK4862		SICL
76OK4863	Bt1	Bt1	46-104	76-OK095-48-6-3	76OK4863		C
76OK4864	Bt2	Bt2	104-137	76-OK095-48-6-4	76OK4864		C
76OK4865	Bt3	Bt3	137-168	76-OK095-48-6-5	76OK4865		C
76OK4866	BC	BC	168-208	76-OK095-48-6-6	76OK4866		C

---

---

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 - - - - -)

6A1a

76OK4861

0-28

A

1.83

76OK4862

28-46

B

1.26

76OK4863

46-104

Bt1

0.27

76OK4864

104-137

Bt2

0.20

76OK4865

137-168

Bt3

0.17

*** Primary Characterization Data ***

Pedon ID: 76-OK095-48-6

( Marshall, Oklahoma )

Print Date: Mar 2 2025 8:54AM

Sampled As	:	Durant
Oklahoma State University			;	Pedon No.  76-OK-48-6

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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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2a	6O2a	6P2b	6Q2b			6G2a			5A1a
76OK4861	0-28	A	S	9.1	3.0	0.4	0.2	12.7		--			32.3				39
76OK4862	28-46	B	S	12.7	6.8	1.7	0.3	21.5		--			44.2				49
76OK4863	46-104	Bt1	S	12.7	9.3	4.0	0.3	26.3		--			44.9				59
76OK4864	104-137	Bt2	S	31.5*	9.5	5.4	0.3	46.7		--			40.7				100
76OK4865	137-168	Bt3	S	31.8*	9.8	6.2	0.3	48.1		--			41.1				100
76OK4866	168-208	BC	S	14.8	7.6	5.0	0.2	27.6		--			40.7				68

^*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 - -)

%

76OK4861

0-28

A

S

1

76OK4862

28-46

B

S

4

76OK4863

46-104

Bt1

S

9

76OK4864

104-137

Bt2

S

13

76OK4865

137-168

Bt3

S

15

76OK4866

168-208

BC

S

12

---

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
				8C1c		8C1a
76OK4861	0-28	A		50.0		5.5
76OK4862	28-46	B		4.8		5.9
76OK4863	46-104	Bt1		6.0		7.2
76OK4864	104-137	Bt2		7.1		7.6
76OK4865	137-168	Bt3		7.0		7.7