*** Primary Characterization Data ***

Pedon ID: 91AL091005

( Marengo, Alabama )

Print Date: May 20 2024 10:34AM

Sampled as on Jul 30, 1991:	Urbo ; Fine, mixed, acid Aeric Haplaquepts
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP91AL241   ALABAMA-MISSISSIPPI VERTISOL	Natural Resources Conservation Service
	-	Site ID	S1991AL091005   Lat: 32° 17' 58.01" north  Long: 87° 40' 36.99" west  MLRA: 133A	National Soil Survey Center
	-	Pedon No.	91P1056	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
91P06882	A	A	0-16				CL	CL
91P06883	Bw1	Bw1	16-40				CL	C
91P06884	Bw2	Bw2	40-76				C	C
91P06885	Bss	BsS1	76-143				C	C
91P06886	Bssg	BgsS1	143-170				CL	C

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.64	(NA)
Clay, carbonate free, Weighted Average	46	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	20	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	46	% wt
LE, Whole Soil, Summed to 1m	8	cm/m
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	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
91P06882	0-16	A	S	cl	34.5	27.7	37.8	21.9		18.5	9.2	14.9	21.1	1.5	0.2	0.1	--	--	--	23
91P06883	16-40	Bw1	S	c	40.4	25.6	34.0	25.8		17.9	7.7	10.6	21.7	1.5	0.1	0.1	--	--	--	23
91P06884	40-76	Bw2	S	c	47.1	25.5	27.4	31.6		17.9	7.6	9.6	16.1	1.4	0.3	tr	tr	--	--	18
91P06885	76-143	Bss	S	c	47.6	22.5	29.9	32.4		16.2	6.3	10.4	18.5	1.0	tr	--	tr	--	--	20
91P06886	143-170	Bssg	S	c	46.9	18.5	34.6	31.7		14.1	4.4	10.4	23.1	1.0	0.1	tr	--	--	--	24

*** Primary Characterization Data ***

Pedon ID: 91AL091005

( Marengo, Alabama )

Print Date: May 20 2024 10:34AM

Sampled As	:	Urbo		Fine, mixed, acid Aeric Haplaquepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P1056

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
91P06882	0-16	A	S	1.29	1.44	0.037			15.8	16.7		1.025		--		0.74	0.48
91P06883	16-40	Bw1	S	1.39	1.69	0.067			25.2	16.6		1.026		0.12		0.65	0.41
91P06884	40-76	Bw2	S	1.38	1.77	0.086			28.2	19.6		1.032		0.12		0.64	0.42
91P06885	76-143	Bss	S	1.33	1.87	0.120			33.0	20.5		1.034		0.17		0.64	0.43
91P06886	143-170	Bssg	S	1.35	1.93	0.127			31.8	20.3		1.033		0.16		0.67	0.43

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F										3C1e1a
91P06882	0-16	A	S	55	31										21.5
91P06883	16-40	Bw1	S	52	29										23.3
91P06884	40-76	Bw2	S	60	45										26.1
91P06885	76-143	Bss	S	60	44										27.3
91P06886	143-170	Bssg	S	59	43										26.2

---

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 - - - - -)
				6A2d				6A1c		6C2b	6G7a	6D2a		8J	6C9b	6G12b	6V2b	6D5b
91P06882	0-16	A	S	1.81				1.95		1.1	0.1	0.1	0.48	0.06	0.65	0.16	0.02	907.7
91P06883	16-40	Bw1	S	0.58				0.55		1.3	0.2	0.1	0.52	0.05	0.64	0.20	0.02	822.0
91P06884	40-76	Bw2	S	0.29				0.27		1.4	0.2	0.1	0.55	0.05	0.66	0.22	0.03	769.5
91P06885	76-143	Bss	S	0.24				0.22		1.2	0.2	tr	0.38	0.03	0.40	0.18	0.02	119.1
91P06886	143-170	Bssg	S	0.17				0.12		1.0	0.1	tr	0.21	0.02	0.23	0.09	0.04	321.9

*** Primary Characterization Data ***

Pedon ID: 91AL091005

( Marengo, Alabama )

Print Date: May 20 2024 10:34AM

Sampled As	:	Urbo		Fine, mixed, acid Aeric Haplaquepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P1056

---

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		6H5a	6G9c	6D3b	5A3a	5A8b	5A3b	5G1	5C3	5C1
91P06882	0-16	A	S	16.1	2.5	0.4	0.3	19.3	10.5			29.8	25.7			65	75
91P06883	16-40	Bw1	S	15.5	1.9	0.4	0.2	18.0	12.6	2.6	4.3	30.6	26.1	20.6	13	59	69
91P06884	40-76	Bw2	S	16.2	2.1	1.0	0.3	19.6	14.0	4.8	7.3	33.6	30.1	24.4	20	58	65
91P06885	76-143	Bss	S	18.9	2.8	1.6	0.4	23.7	10.6	2.8	3.1	34.3	30.3	26.5	11	69	78
91P06886	143-170	Bssg	S	24.1	3.8	1.9	0.3	30.1	3.1			33.2	31.4			91	96

---

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 - -)

%

91P06882

0-16

A

S

2

91P06883

16-40

Bw1

S

2

91P06884

40-76

Bw2

S

3

91P06885

76-143

Bss

S

5

91P06886

143-170

Bssg

S

6

---

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
				4C1a2a3	4C1a2a	4C1a2a
91P06882	0-16	A	S	4.6	5.1	5.6
91P06883	16-40	Bw1	S	3.6	5.0	5.1
91P06884	40-76	Bw2	S	3.4	4.2	4.8
91P06885	76-143	Bss	S	3.4	4.3	4.7
91P06886	143-170	Bssg	S	4.8	6.0	6.1

*** Primary Characterization Data ***

Pedon ID: 91AL091005

( Marengo, Alabama )

Print Date: May 20 2024 10:34AM

Sampled As	:	Urbo		Fine, mixed, acid Aeric Haplaquepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P1056

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

&nbsp;

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

91P06882

0.0-16.0

A

tcly

MT 4

KK 3

MM 2

MI 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

22

6.6

&nbsp;

&nbsp;

1.1

&nbsp;

&nbsp;

&nbsp;

91P06883

16.0-40.0

Bw1

tcly

MT 4

KK 3

MM 2

MI 1

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

23

6.3

&nbsp;

&nbsp;

0.9

&nbsp;

&nbsp;

&nbsp;

91P06884

40.0-76.0

Bw2

tcly

MT 5

KK 3

MI 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

23

6.6

&nbsp;

&nbsp;

1.1

&nbsp;

&nbsp;

&nbsp;

91P06885

76.0-143.0

Bss

tcly

MT 5

KK 3

MI 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

21

6.9

&nbsp;

&nbsp;

1.1

&nbsp;

&nbsp;

&nbsp;

91P06886

143.0-170.0

Bssg

tcly

MT 5

KK 3

MI 2

MM 1

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

22

6.9

&nbsp;

&nbsp;

1.0

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks