*** Primary Characterization Data ***

Pedon ID: 1974AR02105

( Clay, Arkansas )

Print Date: May 12 2025 5:09PM

Sampled as :
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1974AR02105   Lat: 36° 21' 16.99" north  Long: 90° 44' 24.00" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	74CY05	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
UAR0007670	Ap	Ap	0-20	74CY05	UAR0007670			LFS
UAR0007671	AB	AB	20-46	74CY05	UAR0007671			FSL
UAR0007672	Bt	Bt	46-107	74CY05	UAR0007672			SCL
UAR0007673	C	C	107-183	74CY05	UAR0007673			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
UAR0007670	0-20	Ap	S	lfs	5.0	14.7	80.3			6.9	7.8	11.3	63.0	5.8	0.2	--
UAR0007671	20-46	AB	S	fsl	7.2	26.7	66.1			13.3	13.4	9.8	52.1	4.1	0.1	--
UAR0007672	46-107	Bt	S	scl	22.3	23.4	54.3			12.8	10.6	8.5	41.8	3.9	0.1	--
UAR0007673	107-183	C	S	fsl	10.8	11.8	77.4			4.1	7.7	13.5	58.5	5.2	0.2	--

---

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

UAR0007670

0-20

Ap

S

0.70

UAR0007671

20-46

AB

S

0.50

UAR0007672

46-107

Bt

S

0.40

UAR0007673

107-183

C

S

0.20

*** Primary Characterization Data ***

Pedon ID: 1974AR02105

( Clay, Arkansas )

Print Date: May 12 2025 5:09PM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  74CY05

---

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
UAR0007670	0-20	Ap	S	1.6	0.3	0.1	0.2	2.2	2.9			5.1				43
UAR0007671	20-46	AB	S	2.7	0.4	0.1	0.2	3.4	4.4			7.8				44
UAR0007672	46-107	Bt	S	8.1	1.0	0.2	0.3	9.6	6.7			16.3				59
UAR0007673	107-183	C	S	4.5	1.0	0.2	0.2	5.9	4.5			10.4				57

---

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

UAR0007670

0-20

Ap

S

5.6

UAR0007671

20-46

AB

S

6.0

UAR0007672

46-107

Bt

S

5.7

UAR0007673

107-183

C

S

5.2

---

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

UAR0007670

0-20

Ap

S

50.0

UAR0007671

20-46

AB

S

28.0

UAR0007672

46-107

Bt

S

37.0

UAR0007673

107-183

C

S

29.0