*** Primary Characterization Data ***

Pedon ID: S2018AL023027

( Choctaw, Alabama )

Print Date: Dec 8 2025 5:12PM

Sampled as on Jul 25, 2018:	Urbo ; Fine, mixed, active, acid, thermic Vertic Epiaquepts
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2018USAL100   Site_C NEON_7_LENO	Natural Resources Conservation Service
	-	Site ID	S2018AL023027   Lat: 31° 49' 0.50" north  Long: 88° 12' 1.00" west  MLRA: 133A	National Soil Survey Center
	-	Pedon No.	18N2061	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
18N06238	A	A	0-13	S2018AL023027-1			SICL	C
18N06239	Bw	Bw	13-42	S2018AL023027-2			C	C
18N06240	Bg	Bg	42-76	S2018AL023027-3			C	C
18N06241	Bssg	Bssg	76-100	S2018AL023027-4			C	C

---

Pedon Calculations
Calculation Name	Result	Units of Measure
LE, Whole Soil, Summed to 1m	15	cm/m
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 7	0.63	(NA)
Clay, carbonate free, set 2, Weighted Average	73	% wt
Clay, total, set 2, Weighted Average	73	% wt
Volume, >2mm, Weighted Average	0	% vol
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Weighted averages based on control section: 25-100 cm

---

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
					3A1a1a					3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a
18N06238	0-13	A	S	c	65.8	30.9	3.3			27.6	3.3	1.9	0.9	0.3	0.1	0.1	--	--	--	1	--
18N06239	13-42	Bw	S	c	67.8	25.0	7.2			21.8	3.2	2.7	3.3	1.1	0.1	tr	--	--	--	5	--
18N06240	42-76	Bg	S	c	75.7	18.7	5.6			16.5	2.2	2.1	3.2	0.1	0.2	tr	--	--	--	4	--
18N06241	76-100	Bssg	S	c	74.4	18.4	7.2			15.6	2.8	2.8	3.8	0.6	tr	--	--	--	--	4	--

*** Primary Characterization Data ***

Pedon ID: S2018AL023027

( Choctaw, Alabama )

Print Date: Dec 8 2025 5:12PM

Sampled As	:	Urbo		Fine, mixed, active, acid, thermic Vertic Epiaquepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  18N2061

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				DbWR1	DbWR1				DbWR1			3D1
18N06238	0-13	A	S	0.98	1.51	0.155			49.8			1.093				0.75
18N06239	13-42	Bw	S	1.05	1.58	0.146			47.9			1.103				0.69
18N06240	42-76	Bg	S	1.08	1.60	0.140			47.2			1.105				0.62
18N06241	76-100	Bssg	S	1.05	1.57	0.144			47.4			1.101				0.59

---

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 - - - - -)
				4H2a	4H2a	4H2a				4G1	4G1	4G1		4G4	4G4	4G4	4G4	4G4
18N06238	0-13	A	S	5.20	0.48	0.06	5.2		11	2.4	0.3	0.4	1.04	0.16	1.61	0.24	0.06	4558.2
18N06239	13-42	Bw	S	1.85	0.22	0.04	1.9		8	3.7	0.5	0.6	1.22	0.12	1.62	0.41	0.10	4946.4
18N06240	42-76	Bg	S	0.89	0.13	0.04	0.9		7	3.8	0.7	0.1	0.80	0.06	0.75	0.42	0.05	599.7
18N06241	76-100	Bssg	S	1.01	0.15	0.04	1.0		7	3.2	0.6	tr	0.64	0.04	0.47	0.40	0.04	203.3

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1	4B3b1a	4B3b1a		4B1a1a
18N06238	0-13	A	S	35.4	4.0	0.2	0.9	40.5	29.7	0.5	168.2	70.2	49.1	41.0	1	58	82
18N06239	13-42	Bw	S	18.0	1.4	0.2	0.6	20.2	40.3	12.8	117.2	60.5	46.7	33.0	39	33	43
18N06240	42-76	Bg	S	12.4	0.5	0.3	0.7	13.9	43.3	20.5	36.6	57.2	47.0	34.4	60	24	30
18N06241	76-100	Bssg	S	9.9	0.4	0.3	0.6	11.2	41.2	23.3	17.8	52.4	43.9	34.5	68	21	26

*** Primary Characterization Data ***

Pedon ID: S2018AL023027

( Choctaw, Alabama )

Print Date: Dec 8 2025 5:12PM

Sampled As	:	Urbo		Fine, mixed, active, acid, thermic Vertic Epiaquepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  18N2061

---

Salt

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

-20-

(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)

1:2

Total

Elec

Elec

Exch

Depth

Ca

Mg

Na

K

CO3

HCO3

F

Cl

PO4

Br

OAC

SO4

NO2

NO3

H2O

Salts

Cond

Cond

Na

SAR

Layer

(cm)

Horz

Prep

(- - - - - mmol(+) L-1 - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)

(- - - - % - - - -)

(- - dS m-1 - -)

%

4F1a1a1

18N06238

0-13

A

S

0.22

tr

18N06239

13-42

Bw

S

0.07

tr

18N06240

42-76

Bg

S

0.06

1

18N06241

76-100

Bssg

S

0.05

1

---

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

4C1a2a

4C1a2a

18N06238

0-13

A

S

4.6

5.0

18N06239

13-42

Bw

S

4.0

4.9

18N06240

42-76

Bg

S

3.8

4.8

18N06241

76-100

Bssg

S

3.8

4.8

---

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 - - - - - - - - - - - - - - - - - - - -)
						4G4					4D5a1			4D6a1
18N06238	0-13	A	S			247.5					8.4			1.8
18N06239	13-42	Bw	S			200.2					1.3			tr
18N06240	42-76	Bg	S			103.3					3.7			0.5
18N06241	76-100	Bssg	S			24.3					1.9			0.2