*** Primary Characterization Data ***

Pedon ID: 84IA1070032

( Keokuk, Iowa )

Print Date: Nov 12 2024 1:53AM

Sampled as on Nov 1, 1984:	Otley ; Fine, montmorillonitic, mesic Typic Argiudoll
Revised to correlated:	Otley ; Fine, smectitic, mesic Typic Argiudolls

				United States Department of Agriculture
SSL	-	Project	RP85IA127   KEOKUK COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA1070032   Lat: 41° 25' 50.01" north  Long: 92° 14' 40.00" west  MLRA: 108	National Soil Survey Center
	-	Pedon No.	85P0461	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
85P02245	Ap	Ap	0-18				SICL	SICL
85P02246	BA	BA	18-28				SICL	SICL
85P02247	Bt1	Bt1	28-41				SICL	SICL
85P02248	Bt2	Bt2	41-58				SICL	SICL
85P02249	Bt3	Bt3	58-71				SICL	SICL
85P02250	Bt4	Bt4	71-86				SICL	SICL
85P02251	BC	BC	86-104				SICL	SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	33	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	33	% wt
Weighted averages based on control section: 28-78 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	3B1	3B1	3B1
85P02245	0-18	Ap	S	sicl	29.6	69.5	0.9			35.1	34.4	0.3	0.3	0.2	0.1	--	2	1	--	4	3
85P02246	18-28	BA	S	sicl	34.5	65.0	0.5			33.9	31.1	0.3	0.2	--	--	--	1	--	--	1	1
85P02247	28-41	Bt1	S	sicl	36.2	63.3	0.5			33.6	29.7	0.3	0.1	0.1	--	--	tr	--	--	1	tr
85P02248	41-58	Bt2	S	sicl	34.6	65.0	0.4			34.5	30.5	0.3	0.1	--	--	--	tr	--	--	tr	tr
85P02249	58-71	Bt3	S	sicl	31.1	68.1	0.8			36.1	32.0	0.5	0.3	--	--	--	1	--	--	1	1
85P02250	71-86	Bt4	S	sicl	29.9	69.2	0.9			38.1	31.1	0.4	0.4	0.1	--	--	--	--	--	1	--
85P02251	86-104	BC	S	sicl	31.2	68.1	0.7			35.6	32.5	0.3	0.2	0.2	--	--	--	--	--	tr	--

*** Primary Characterization Data ***

Pedon ID: 84IA1070032

( Keokuk, Iowa )

Print Date: Nov 12 2024 1:53AM

Sampled As	:	Otley		Fine, montmorillonitic, mesic Typic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0461

---

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	%
										3C2a1a							8D1
85P02245	0-18	Ap	S							13.7							0.46
85P02246	18-28	BA	S							15.7							0.46
85P02247	28-41	Bt1	S							16.8							0.46
85P02248	41-58	Bt2	S							16.9							0.49
85P02249	58-71	Bt3	S							15.5							0.50
85P02250	71-86	Bt4	S							14.8							0.49
85P02251	86-104	BC	S							15.8							0.51

---

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 - - - - -)

6A1c

85P02245

0-18

Ap

S

1.85

85P02246

18-28

BA

S

1.30

85P02247

28-41

Bt1

S

0.98

85P02248

41-58

Bt2

S

0.64

85P02249

58-71

Bt3

S

0.42

85P02250

71-86

Bt4

S

0.37

85P02251

86-104

BC

S

0.41

*** Primary Characterization Data ***

Pedon ID: 84IA1070032

( Keokuk, Iowa )

Print Date: Nov 12 2024 1:53AM

Sampled As	:	Otley		Fine, montmorillonitic, mesic Typic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0461

---

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

85P02245

0-18

Ap

S

5.7

6.0

85P02246

18-28

BA

S

5.6

6.0

85P02247

28-41

Bt1

S

5.4

5.9

85P02248

41-58

Bt2

S

5.2

5.9

85P02249

58-71

Bt3

S

5.4

5.9

85P02250

71-86

Bt4

S

5.5

5.9

85P02251

86-104

BC

S

5.4

6.0