*** Primary Characterization Data ***

Pedon ID: 1978AR01910

( Clark, Arkansas )

Print Date: May 13 2025 1:32AM

Sampled as :
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1978AR01910   Lat: 33° 59' 55.00" north  Long: 92° 53' 37.00" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	78CK10	115 Plant Science Building
	-	General Methods 1B1A, 2A1, 2B		Fayetteville, Arkansas 72701

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
UAR0008774	A	A	0-13	78CK10	UAR0008774			SIL
UAR0008775	Eg	Eg	13-41	78CK10	UAR0008775			SIL
UAR0008776	Btg/Eg	Btg/Eg	41-69	78CK10	UAR0008776			SIL
UAR0008777	Btg/Eg	Btg/Eg	69-97	78CK10	UAR0008777			SIL
UAR0008778	Btg1	Btg1	97-127	78CK10	UAR0008778			L
UAR0008779	Btg2	Btg2	127-157	78CK10	UAR0008779			L
UAR0008780	Btg2	Btg2	157-183	78CK10	UAR0008780			L

---

---

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
UAR0008774	0-13	A	S	sil	6.0	75.9	18.2			43.4	32.4	5.6	6.7	3.3	1.7	0.9
UAR0008775	13-41	Eg	S	sil	6.8	54.7	38.5			31.6	23.1	9.4	16.5	8.7	2.7	1.2
UAR0008776	41-69	Btg/Eg	S	sil	7.2	53.0	39.8			31.5	21.5	10.0	16.9	8.8	2.9	1.2
UAR0008777	69-97	Btg/Eg	S	sil	7.2	53.0	39.8			31.5	21.5	10.0	16.9	8.8	2.9	1.2
UAR0008778	97-127	Btg1	S	l	17.9	49.9	32.1			32.9	17.1	8.6	12.7	7.3	2.4	1.1
UAR0008779	127-157	Btg2	S	l	25.8	47.0	27.2			27.5	19.5	6.6	11.3	5.6	2.8	0.9
UAR0008780	157-183	Btg2	S	l	20.8	43.9	35.3			31.8	12.1	9.5	13.2	7.7	3.5	1.4

*** Primary Characterization Data ***

Pedon ID: 1978AR01910

( Clark, Arkansas )

Print Date: May 13 2025 1:32AM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  78CK10

---

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

UAR0008774

0-13

A

S

2.42

UAR0008775

13-41

Eg

S

0.43

UAR0008776

41-69

Btg/Eg

S

0.16

UAR0008777

69-97

Btg/Eg

S

0.15

UAR0008778

97-127

Btg1

S

0.21

UAR0008779

127-157

Btg2

S

0.13

UAR0008780

157-183

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
UAR0008774	0-13	A	S	0.3	0.3	--	0.1	0.7	10.7			11.4				6
UAR0008775	13-41	Eg	S	0.1	0.1	--	--	0.2	9.6			9.8				2
UAR0008776	41-69	Btg/Eg	S	0.1	--	--	--	0.1	7.2			7.3				1
UAR0008777	69-97	Btg/Eg	S	0.1	--	--	--	0.1	9.9			10.0				1
UAR0008778	97-127	Btg1	S	0.1	0.1	0.2	0.1	0.5	15.4			15.9				3
UAR0008779	127-157	Btg2	S	0.2	0.1	0.4	0.1	0.8	17.4			18.2				4
UAR0008780	157-183	Btg2	S	0.2	0.1	0.4	0.1	0.8	12.7			13.5				6

*** Primary Characterization Data ***

Pedon ID: 1978AR01910

( Clark, Arkansas )

Print Date: May 13 2025 1:32AM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  78CK10

---

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

UAR0008774

0-13

A

S

4.3

UAR0008775

13-41

Eg

S

4.1

UAR0008776

41-69

Btg/Eg

S

4.1

UAR0008777

69-97

Btg/Eg

S

4.1

UAR0008778

97-127

Btg1

S

4.2

UAR0008779

127-157

Btg2

S

4.3

UAR0008780

157-183

Btg2

S

4.4

---

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

UAR0008774

0-13

A

S

--

UAR0008775

13-41

Eg

S

--