*** Primary Characterization Data ***

Pedon ID: S1975IA045006

( Clinton, Iowa )

Print Date: Nov 21 2024 1:16PM

Sampled as on May 11, 1975:	Downs ; Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Revised to correlated on May 11, 1975:	Downs ; Fine-silty, mixed, superactive, mesic Mollic Hapludalfs

				State of Iowa
SSL	-	Project	IAS201501   Iowa State Univeristy	Iowa State University
	-	Site ID	S1975IA045006   Lat: 41° 59' 44.84" north  Long: 90° 24' 44.62" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	XT162B	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
ISU03847	Ap	Ap	0-18	14261	S1975IA045006-1		SIL	SIL
ISU03848	AB	AB	18-33	14262	S1975IA045006-2		SIL	SIL
ISU03849	Bt1	Bt1	33-56	14263	S1975IA045006-3		SICL	SICL
ISU03850	Bt2	Bt2	56-69	14264	S1975IA045006-4		SICL	SICL
ISU03851	BCt1	BCt1	69-97	14265	S1975IA045006-5		SICL	SICL
ISU03852	BCt2	BCt2	97-119	14266	S1975IA045006-6		SIL	SICL
ISU03853	C	C	119-211	14267	S1975IA045006-7		SIL	SICL
ISU03854	C	C	119-211	14268	S1975IA045006-7		SIL	SIL
ISU03855	C	C	119-211	14269	S1975IA045006-7		SIL	SIL
ISU03856	C	C	119-211	14270	S1975IA045006-7		SIL	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
ISU03847	0-18	Ap	S	sil	17.2	80.3	2.5			37.8	42.5
ISU03848	18-33	AB	S	sil	26.2	72.0	1.9			36.0	36.0
ISU03849	33-56	Bt1	S	sicl	30.2	67.8	2.0			30.2	37.6
ISU03850	56-69	Bt2	S	sicl	30.4	67.1	2.5			27.6	39.5
ISU03851	69-97	BCt1	S	sicl	28.0	69.0	3.0			28.7	40.3
ISU03852	97-119	BCt2	S	sicl	28.5	68.8	2.6			26.4	42.4
ISU03853	119-211	C	S	sicl	27.6	70.6	1.8			27.8	42.8
ISU03854	119-211	C	S	sil	25.7	71.9	2.4			27.3	44.6
ISU03855	119-211	C	S	sil	23.9	73.7	2.4			26.5	47.2
ISU03856	119-211	C	S	sil	23.7	73.8	2.5			28.2	45.6

*** Primary Characterization Data ***

Pedon ID: S1975IA045006

( Clinton, Iowa )

Print Date: Nov 21 2024 1:16PM

Sampled As	:	Downs		Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  XT162B

---

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

ISU03847

0-18

Ap

S

1.23

ISU03848

18-33

AB

S

0.38

ISU03849

33-56

Bt1

S

0.26

---

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

ISU03847

0-18

Ap

S

3.3

ISU03848

18-33

AB

S

5.0

ISU03849

33-56

Bt1

S

7.0

ISU03850

56-69

Bt2

S

8.6

ISU03851

69-97

BCt1

S

8.3

ISU03852

97-119

BCt2

S

8.6

ISU03853

119-211

C

S

8.6

ISU03854

119-211

C

S

8.0

*** Primary Characterization Data ***

Pedon ID: S1975IA045006

( Clinton, Iowa )

Print Date: Nov 21 2024 1:16PM

Sampled As	:	Downs		Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  XT162B

---

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

ISU03847

0-18

Ap

S

6.6

ISU03848

18-33

AB

S

6.3

ISU03849

33-56

Bt1

S

6.0

ISU03850

56-69

Bt2

S

5.4

ISU03851

69-97

BCt1

S

5.3

ISU03852

97-119

BCt2

S

5.4

ISU03853

119-211

C

S

5.5

ISU03854

119-211

C

S

5.4

ISU03855

119-211

C

S

5.5

ISU03856

119-211

C

S

5.6

---

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

ISU03847

0-18

Ap

S

24.0

ISU03848

18-33

AB

S

12.0

ISU03849

33-56

Bt1

S

23.0

ISU03850

56-69

Bt2

S

33.0

ISU03851

69-97

BCt1

S

53.0

ISU03852

97-119

BCt2

S

50.0

ISU03853

119-211

C

S

44.0

ISU03854

119-211

C

S

38.0