*** Primary Characterization Data ***

Pedon ID: 1978AR01906

( Clark, Arkansas )

Print Date: May 13 2025 7:13AM

Sampled as :
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1978AR01906   Lat: 34° 4' 0.98" north  Long: 92° 58' 32.02" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	78CK06	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
UAR0008723	A	A	0-10	78CK06	UAR0008723			FSL
UAR0008724	Eg1	Eg1	10-36	78CK06	UAR0008724			FSL
UAR0008725	Eg2	Eg2	36-66	78CK06	UAR0008725			L
UAR0008726	Btg/Eg	Btg/Eg	66-91	78CK06	UAR0008726			L
UAR0008727	Btg/Eg	Btg/Eg	91-117	78CK06	UAR0008727			L
UAR0008728	Btg1	Btg1	117-145	78CK06	UAR0008728			FSL
UAR0008729	Btg2	Btg2	145-183	78CK06	UAR0008729			FSL

---

---

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	hyd1
UAR0008723	0-10	A	S	fsl	6.9	45.7	47.3			33.2	12.6	13.9	28.0	4.5	0.7	0.2
UAR0008724	10-36	Eg1	S	fsl	6.3	47.8	45.9			37.7	10.1	13.6	27.0	4.6	0.6	0.1
UAR0008725	36-66	Eg2	S	l	9.6	49.8	40.6			38.4	11.4	11.5	23.4	4.3	1.3	0.1
UAR0008726	66-91	Btg/Eg	S	l	24.9	39.4	35.7			30.8	8.6	11.0	20.5	3.8	0.4	--
UAR0008727	91-117	Btg/Eg	S	l	19.4	37.9	42.7			25.2	12.7	11.3	27.1	3.9	0.3	0.1
UAR0008728	117-145	Btg1	S	fsl	13.0	23.3	63.7			7.9	15.4	16.6	42.8	3.9	0.3	0.1
UAR0008729	145-183	Btg2	S	fsl	13.6	21.3	65.1			9.9	11.4	17.5	43.6	3.4	0.4	0.2

*** Primary Characterization Data ***

Pedon ID: 1978AR01906

( Clark, Arkansas )

Print Date: May 13 2025 7:13AM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  78CK06

---

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 - - - - -)

6A2b

UAR0008723

0-10

A

S

0.91

UAR0008724

10-36

Eg1

S

0.43

UAR0008725

36-66

Eg2

S

0.53

UAR0008726

66-91

Btg/Eg

S

0.41

UAR0008727

91-117

Btg/Eg

S

0.27

UAR0008728

117-145

Btg1

S

0.16

UAR0008729

145-183

Btg2

S

0.12

---

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		6H1a
UAR0008723	0-10	A	S	0.6	0.5	0.1	0.1	1.3	6.5			7.8				17
UAR0008724	10-36	Eg1	S	0.2	0.2	0.1	--	0.5	6.1			6.6				8
UAR0008725	36-66	Eg2	S	0.6	0.4	0.3	--	1.3	7.0			8.3				16
UAR0008726	66-91	Btg/Eg	S	3.0	2.0	3.3	0.1	8.4	13.6			22.0				38
UAR0008727	91-117	Btg/Eg	S	2.5	1.8	2.9	--	7.2	11.4			18.6				39
UAR0008728	117-145	Btg1	S	2.1	1.4	4.5	0.1	8.1	5.5			13.6				60
UAR0008729	145-183	Btg2	S	1.9	1.4	3.3	--	6.6	7.5			14.1				47

*** Primary Characterization Data ***

Pedon ID: 1978AR01906

( Clark, Arkansas )

Print Date: May 13 2025 7:13AM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  78CK06

---

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

UAR0008723

0-10

A

S

4.3

UAR0008724

10-36

Eg1

S

4.2

UAR0008725

36-66

Eg2

S

4.3

UAR0008726

66-91

Btg/Eg

S

4.4

UAR0008727

91-117

Btg/Eg

S

4.5

UAR0008728

117-145

Btg1

S

4.4

UAR0008729

145-183

Btg2

S

4.5

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

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

UAR0008723

0-10

A

S

--

UAR0008724

10-36

Eg1

S

--

UAR0008725

36-66

Eg2

S

--

UAR0008726

66-91

Btg/Eg

S

--

UAR0008727

91-117

Btg/Eg

S

--

UAR0008728

117-145

Btg1

S

--

UAR0008729

145-183

Btg2

S

--