*** Primary Characterization Data ***

Pedon ID: 1970AR05701

( Hempstead, Arkansas )

Print Date: Jan 8 2026 1:00PM

Sampled as :
Revised to :

				State of Arkansas
SSL	-	Project	AR201301   University of Arkansas	University of Arkansas
	-	Site ID	1970AR05701   Lat: 33° 49' 0.12" north  Long: 93° 42' 56.88" west	Department of Crop, Soil, and Environmental Sciences
	-	Pedon No.	70HP01	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
UAR0006289	Ap	Ap	0-18	70HP01	UAR0006289			SIC
UAR0006290	A	A	18-53	70HP01	UAR0006290			C
UAR0006291	Bkssg1	Bkssg1	53-86	70HP01	UAR0006291			C
UAR0006292	Bkssg2	Bkssg2	86-109	70HP01	UAR0006292			SIC
UAR0006293	Bkssg3	Bkssg3	109-137	70HP01	UAR0006293			SIC
UAR0006294	Bkssg4	Bkssg4	137-170	70HP01	UAR0006294			C
UAR0006295	Bkssg5	Bkssg5	170-183	70HP01	UAR0006295			C

---

---

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
UAR0006289	0-18	Ap	S	sic	44.7	43.0	12.3			22.6	20.4	10.0	1.5	0.3	0.3	0.2
UAR0006290	18-53	A	S	c	50.9	36.9	12.2			18.3	18.6	9.5	1.5	0.4	0.5	0.3
UAR0006291	53-86	Bkssg1	S	c	48.8	38.3	12.9			21.4	16.9	8.7	1.7	0.8	1.1	0.6
UAR0006292	86-109	Bkssg2	S	sic	45.6	41.7	12.7			22.5	19.2	8.9	1.9	0.6	0.9	0.4
UAR0006293	109-137	Bkssg3	S	sic	43.4	41.8	14.8			21.9	19.9	10.1	1.9	0.7	1.2	0.9
UAR0006294	137-170	Bkssg4	S	c	47.0	39.1	13.9			21.2	17.9	9.9	1.8	0.6	1.0	0.6
UAR0006295	170-183	Bkssg5	S	c	46.7	39.8	13.5			21.4	18.4	9.8	1.6	0.6	0.9	0.6

*** Primary Characterization Data ***

Pedon ID: 1970AR05701

( Hempstead, Arkansas )

Print Date: Jan 8 2026 1:00PM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  70HP01

---

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

UAR0006289

0-18

Ap

S

2.30

UAR0006290

18-53

A

S

1.70

UAR0006291

53-86

Bkssg1

S

1.50

UAR0006292

86-109

Bkssg2

S

1.10

UAR0006293

109-137

Bkssg3

S

0.90

UAR0006294

137-170

Bkssg4

S

1.10

UAR0006295

170-183

Bkssg5

S

1.10

---

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
UAR0006289	0-18	Ap	S	37.3	1.5	0.3	0.4	39.5	4.7			44.2				89
UAR0006290	18-53	A	S	46.4	1.5	0.6	0.4	48.9	4.8			53.7				91
UAR0006291	53-86	Bkssg1	S	45.5	1.8	0.7	0.5	48.5	2.9			51.4				94
UAR0006292	86-109	Bkssg2	S	43.8	1.7	0.6	0.4	46.5	1.1			47.6				98
UAR0006293	109-137	Bkssg3	S	40.6	1.9	0.6	0.4	43.5	0.5			44.0				99
UAR0006294	137-170	Bkssg4	S	44.4	2.0	0.6	0.4	47.4	1.8			49.2				96
UAR0006295	170-183	Bkssg5	S	41.2	2.2	0.8	0.4	44.6	1.8			46.4				96

*** Primary Characterization Data ***

Pedon ID: 1970AR05701

( Hempstead, Arkansas )

Print Date: Jan 8 2026 1:00PM

Sampled As	:
University of Arkansas Soil Characterization Laboratory			;	Pedon No.  70HP01

---

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

UAR0006289

0-18

Ap

S

7.7

UAR0006290

18-53

A

S

7.9

UAR0006291

53-86

Bkssg1

S

7.8

UAR0006292

86-109

Bkssg2

S

7.9

UAR0006293

109-137

Bkssg3

S

7.9

UAR0006294

137-170

Bkssg4

S

8.1

UAR0006295

170-183

Bkssg5

S

7.8

---

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

UAR0006289

0-18

Ap

S

10.0

UAR0006290

18-53

A

S

3.0

UAR0006291

53-86

Bkssg1

S

3.0

UAR0006292

86-109

Bkssg2

S

3.0

UAR0006293

109-137

Bkssg3

S

2.0

UAR0006294

137-170

Bkssg4

S

2.0

UAR0006295

170-183

Bkssg5

S

2.0