*** Primary Characterization Data ***

Pedon ID: S1972IA045016

( Clinton, Iowa )

Print Date: Feb 17 2025 2:47AM

Sampled as on May 23, 2007:	Atterberry ; Fine-silty, mixed, superactive, mesic Udollic Endoaqualfs
Revised to :

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1972IA045016   Lat: 41° 53' 53.84" north  Long: 90° 21' 20.20" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	X23-291-1	Iowa State University Soil Characterization Laboratory
	-	General Methods 1B1A, 2A1, 2B		Ames, Iowa 50011-1010

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
ISU00426	A	Ap	0-22	7264	S1972IA045016-1		SILT LOAM	SIL
ISU00427	E1	A21	22-40	7265	S1972IA045016-2		SILT LOAM	SIL
ISU00428	E2	A22	40-55	7266	S1972IA045016-3		SILT LOAM	SIL
ISU00430	Bt	B2	55-73	7267	S1972IA045016-4		SILTY CLAY LOAM	SICL
ISU00431	BC	BC	71-99	7268	S1972IA045016-5		SILTY CLAY LOAM	SICL
ISU00432	C1	C1	99-124	7269	S1972IA045016-6		SILT LOAM	SICL
ISU00433	C2	2C3	124-147	7270	S1972IA045016-7			SIL

---

---

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					3A1
ISU00426	0-23	A	S	sil	25.2	69.9	4.9			40.4	29.5
ISU00427	23-41	E1	S	sil	22.3	70.9	6.8			45.6	25.3
ISU00428	41-56	E2	S	sil	24.6	68.0	7.4			40.6	27.4
ISU00430	56-74	Bt	S	sicl	32.0	62.9	5.1			33.8	29.1
ISU00431	71-99	BC	S	sicl	29.2	65.4	5.4			32.0	33.4
ISU00432	99-124	C1	S	sicl	29.7	63.2	7.1			26.2	37.0
ISU00433	124-147	C2	S	sil	23.1	54.7	22.2			20.8	33.9

*** Primary Characterization Data ***

Pedon ID: S1972IA045016

( Clinton, Iowa )

Print Date: Feb 17 2025 2:47AM

Sampled As	:	Atterberry		Fine-silty, mixed, superactive, mesic Udollic Endoaqualfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X23-291-1

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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

ISU00426

0-23

A

S

1.58

ISU00427

23-41

E1

S

0.44

ISU00428

41-56

E2

S

0.22

---

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

ISU00426

0-23

A

S

6.3

ISU00427

23-41

E1

S

5.8

ISU00428

41-56

E2

S

5.5

ISU00430

56-74

Bt

S

5.5

ISU00431

71-99

BC

S

5.4

ISU00432

99-124

C1

S

5.4

ISU00433

124-147

C2

S

5.5

---

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

ISU00426

0-23

A

S

89.0

ISU00427

23-41

E1

S

7.0

ISU00428

41-56

E2

S

5.0

ISU00430

56-74

Bt

S

10.0

ISU00431

71-99

BC

S

12.0

ISU00432

99-124

C1

S

19.0

ISU00433

124-147

C2

S

19.0