*** Primary Characterization Data ***

Pedon ID: 1968AR03512

( Crittenden, Arkansas )

Print Date: Apr 17 2026 3:59PM

Sampled as on Aug 16, 2017:	Arkana ; Very-fine, mixed, active, mesic Mollic Hapludalfs
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1968AR03512   Lat: 35° 13' 21.72" north  Long: 90° 17' 57.12" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	68CT12	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
UAR0005310	Ap	Ap	0-15	68CT12	UAR0005310			SIL
UAR0005311	Btg1	Btg1	15-38	68CT12	UAR0005311			SIL
UAR0005312	Btg2	Btg2	38-64	68CT12	UAR0005312			SICL
UAR0005313	BCg	BCg	64-97	68CT12	UAR0005313			SIL
UAR0005314	Cg1	Cg1	97-112	68CT12	UAR0005314			SIC

---

---

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
UAR0005310	0-15	Ap	S	sil	16.1	69.9	14.0					8.3	3.5	1.4	0.6	0.2
UAR0005311	15-38	Btg1	S	sil	24.9	62.6	12.5					9.1	2.0	0.9	0.5	--
UAR0005312	38-64	Btg2	S	sicl	32.0	66.7	1.2					0.9	0.2	0.1	--	--
UAR0005313	64-97	BCg	S	sil	23.3	74.3	2.3					1.9	0.1	0.1	0.2	--
UAR0005314	97-112	Cg1	S	sic	43.2	55.8	0.9					0.4	0.2	0.1	0.2	--

*** Primary Characterization Data ***

Pedon ID: 1968AR03512

( Crittenden, Arkansas )

Print Date: Apr 17 2026 3:59PM

Sampled As	:	Arkana		Very-fine, mixed, active, mesic Mollic Hapludalfs
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  68CT12

---

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

UAR0005310

0-15

Ap

S

2.30

UAR0005311

15-38

Btg1

S

2.10

UAR0005312

38-64

Btg2

S

1.10

UAR0005313

64-97

BCg

S

0.70

UAR0005314

97-112

Cg1

S

0.60

---

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
UAR0005310	0-15	Ap	S	8.9	1.6	0.1	1.1	11.7	6.6			18.3				64
UAR0005311	15-38	Btg1	S	9.4	1.8	0.2	0.9	12.3	9.6			21.9				56
UAR0005312	38-64	Btg2	S	10.7	3.3	0.2	0.6	14.8	10.5			25.3				58
UAR0005313	64-97	BCg	S	8.3	3.0	0.2	0.4	11.9	9.0			20.9				57
UAR0005314	97-112	Cg1	S	15.5	5.2	0.3	0.8	21.8	12.6			34.4				63

---

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

UAR0005310

0-15

Ap

S

5.9

UAR0005311

15-38

Btg1

S

5.5

UAR0005312

38-64

Btg2

S

4.9

UAR0005313

64-97

BCg

S

5.0

UAR0005314

97-112

Cg1

S

5.1

*** Primary Characterization Data ***

Pedon ID: 1968AR03512

( Crittenden, Arkansas )

Print Date: Apr 17 2026 3:59PM

Sampled As	:	Arkana		Very-fine, mixed, active, mesic Mollic Hapludalfs
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  68CT12

---

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

UAR0005310

0-15

Ap

S

160.0

UAR0005311

15-38

Btg1

S

160.0

UAR0005312

38-64

Btg2

S

82.0

UAR0005313

64-97

BCg

S

98.0

UAR0005314

97-112

Cg1

S

98.0