*** Primary Characterization Data ***

Pedon ID: 1968AR03508

( Crittenden, Arkansas )

Print Date: Jan 8 2026 3:42PM

Sampled as :
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1968AR03508   Lat: 35° 11' 54.96" north  Long: 90° 12' 27.00" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	68CT08	115 Plant Science Building
	-	General Methods 1B1A, 2A1, 2B		Fayetteville, Arkansas 72701

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
UAR0005354	Ap	Ap	0-15	68CT08	UAR0005354			SICL
UAR0005355	Bg	Bg	15-28	68CT08	UAR0005355			SICL
UAR0005356	Btg1	Btg1	28-56	68CT08	UAR0005356			SIC
UAR0005357	Btg2	Btg2	56-79	68CT08	UAR0005357			SICL
UAR0005358	C1g	C1g	79-122	68CT08	UAR0005358			SIL

---

---

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
					hyd1							hyd1	hyd1	hyd1	hyd1	hyd1
UAR0005354	0-15	Ap	S	sicl	33.1	58.4	8.5					6.3	1.1	0.5	0.5	0.1
UAR0005355	15-28	Bg	S	sicl	35.7	56.7	7.6					4.4	1.2	1.1	0.8	0.1
UAR0005356	28-56	Btg1	S	sic	49.0	44.7	6.3					5.5	0.4	0.2	0.2	--
UAR0005357	56-79	Btg2	S	sicl	37.2	54.8	8.0					7.0	0.4	0.3	0.2	0.1
UAR0005358	79-122	C1g	S	sil	23.7	67.6	8.7					8.0	0.3	0.1	0.2	0.1

*** Primary Characterization Data ***

Pedon ID: 1968AR03508

( Crittenden, Arkansas )

Print Date: Jan 8 2026 3:42PM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  68CT08

---

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

UAR0005354

0-15

Ap

S

2.80

UAR0005355

15-28

Bg

S

2.20

UAR0005356

28-56

Btg1

S

1.20

UAR0005357

56-79

Btg2

S

0.80

UAR0005358

79-122

C1g

S

0.40

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2	6O2f	6P2a	6Q2a		6H2a
UAR0005354	0-15	Ap	S	12.6	3.0	0.2	0.6	16.4	10.8			27.2				60
UAR0005355	15-28	Bg	S	11.5	2.8	0.2	0.5	15.0	12.4			27.4				55
UAR0005356	28-56	Btg1	S	16.0	6.0	0.3	0.6	22.9	15.5			38.4				60
UAR0005357	56-79	Btg2	S	13.9	5.5	0.3	0.5	20.2	10.5			30.7				66
UAR0005358	79-122	C1g	S	11.3	4.5	0.3	0.4	16.5	5.3			21.8				76

---

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

8C1a

UAR0005354

0-15

Ap

S

5.6

UAR0005355

15-28

Bg

S

5.5

UAR0005356

28-56

Btg1

S

4.9

UAR0005357

56-79

Btg2

S

5.1

UAR0005358

79-122

C1g

S

5.5

*** Primary Characterization Data ***

Pedon ID: 1968AR03508

( Crittenden, Arkansas )

Print Date: Jan 8 2026 3:42PM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  68CT08

---

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

6S3

UAR0005354

0-15

Ap

S

95.0

UAR0005355

15-28

Bg

S

69.0

UAR0005356

28-56

Btg1

S

54.0

UAR0005357

56-79

Btg2

S

51.0

UAR0005358

79-122

C1g

S

54.0