*** Primary Characterization Data ***

Pedon ID: S1970IA045009

( Clinton, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled as on Nov 7, 1970:	Fayette ; Fine-silty, mixed, superactive, mesic Typic Hapludalfs
Revised to correlated on Nov 7, 1970:	Fayette ; Fine-silty, mixed, superactive, mesic Typic Hapludalfs

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1970IA045009   Lat: 42° 0' 53.40" north  Long: 90° 52' 58.29" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	X23-163C2-14	Iowa State University Soil Characterization Laboratory
	-	General Methods 1B1A, 2A1, 2B		Ames, Iowa 50011-1010

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
ISU00134	Ap	Ap	0-17		S1970IA045009-1		SILT LOAM
ISU00135	Bt1	B21	17-33		S1970IA045009-2		SILTY CLAY LOAM
ISU00136	Bt2	B22t	33-45		S1970IA045009-3		SILTY CLAY LOAM
ISU00137	Bt2	B22t	45-60		S1970IA045009-3		SILTY CLAY LOAM
ISU00138	Bt3	B23	60-76		S1970IA045009-4		SILTY CLAY LOAM
ISU00139	BC	B3	76-91		S1970IA045009-5		SILTY CLAY LOAM
ISU00140	C	C1	91-106		S1970IA045009-6		SILT LOAM

---

---

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
					3A1
ISU00134	0-18	Ap	S		23.2
ISU00135	18-33	Bt1	S		29.5
ISU00136	33-46	Bt2	S		31.6
ISU00137	46-61	Bt2	S		30.6
ISU00138	61-76	Bt3	S		29.0
ISU00139	76-91	BC	S		28.8
ISU00140	91-107	C	S		28.9

*** Primary Characterization Data ***

Pedon ID: S1970IA045009

( Clinton, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Fayette		Fine-silty, mixed, superactive, mesic Typic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X23-163C2-14

---

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 - - - - -)

6A1

ISU00135

18-33

Bt1

S

0.39

ISU00136

33-46

Bt2

S

0.30

ISU00137

46-61

Bt2

S

0.29

ISU00138

61-76

Bt3

S

0.21

ISU00139

76-91

BC

S

0.21

ISU00140

91-107

C

S

0.21

---

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 - - -)

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

6H2b

ISU00134

0-18

Ap

S

3.7

ISU00135

18-33

Bt1

S

4.8

ISU00136

33-46

Bt2

S

7.1

ISU00137

46-61

Bt2

S

5.8

ISU00138

61-76

Bt3

S

6.0

ISU00139

76-91

BC

S

6.1

ISU00140

91-107

C

S

6.0

*** Primary Characterization Data ***

Pedon ID: S1970IA045009

( Clinton, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Fayette		Fine-silty, mixed, superactive, mesic Typic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X23-163C2-14

---

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

ISU00134

0-18

Ap

S

5.7

5.7

ISU00135

18-33

Bt1

S

5.4

5.4

ISU00137

46-61

Bt2

S

5.0

5.0

ISU00136

33-46

Bt2

S

5.1

5.1

ISU00138

61-76

Bt3

S

4.8

4.8

ISU00139

76-91

BC

S

4.6

4.6

ISU00140

91-107

C

S

4.6

4.6

---

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 - - - - - - - - - - - - - - - - - - - -)

4D3

ISU00134

0-18

Ap

S

17.0

ISU00135

18-33

Bt1

S

34.0

ISU00137

46-61

Bt2

S

77.0

ISU00136

33-46

Bt2

S

56.0

ISU00138

61-76

Bt3

S

92.0

ISU00139

76-91

BC

S

117.0

ISU00140

91-107

C

S

133.0