*** Primary Characterization Data ***

Pedon ID: 1975IN023007

( Clinton, Indiana )

Print Date: Nov 14 2025 11:24AM

Sampled as on Oct 1, 1975:	Starks
Revised to correlated:	Aptakisic ; Mesic

				State of Indiana
SSL	-	Project	IN200903   Purdue University Soil Characterization Lab Vol 3	Purdue University
	-	Site ID	1975IN023007   Lat: 40° 24' 32.85" north  Long: 86° 25' 52.86" west	University Soil Laboratory
	-	Pedon No.	CT7507	Department of Agronomy
	-	General Methods 1B1A, 2A1, 2B		West Lafayette, Indiana

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
CT75071	Ap	Ap	0-20					SIL
CT75072	B21t	B21t	20-53					SICL
CT75073	B22t	B22t	53-71					SIL
CT75074	B23t	B23t	71-89					L
CT75075	B3	B3	89-109					L
CT75076	C1	C1	109-152					SIL
CT75077	C2	C2	152-178					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
				3A1i	3A1i	3A1i	3A1i			3A1i	3A1i	3A1i	3A1i	3A1i	3A1i	3A1i
CT75071	0-20	Ap	S	sil	16.3	68.5	15.2			45.1	23.4	4.0	5.1	3.3	1.6	1.2
CT75072	20-53	B21t	S	sicl	39.5	54.7	5.8			40.0	14.7	2.2	2.0	1.0	0.3	0.3
CT75073	53-71	B22t	S	sil	24.9	55.0	20.1			30.2	24.8	4.9	8.1	5.0	1.7	0.4
CT75074	71-89	B23t	S	l	19.0	34.7	46.3			18.7	16.0	11.2	24.5	7.0	1.9	1.7
CT75075	89-109	B3	S	l	14.1	36.8	49.1			16.7	20.1	12.9	25.1	8.0	2.2	0.9
CT75076	109-152	C1	S	sil	11.4	59.4	29.2			23.8	35.6	17.0	8.6	2.2	0.9	0.5
CT75077	152-178	C2	S	sil	9.2	58.5	32.3			19.7	38.8	22.8	6.2	1.7	1.0	0.6

*** Primary Characterization Data ***

Pedon ID: 1975IN023007

( Clinton, Indiana )

Print Date: Nov 14 2025 11:24AM

Sampled As	:	Starks
Purdue University Soil Characterization Laboratory			;	Pedon No.  CT7507

---

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 - - - - -)

6A1e

CT75071

0-20

Ap

S

1.53

CT75072

20-53

B21t

S

0.45

---

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	6P2a	6Q2a		6H1a
CT75071	0-20	Ap	S	10.2	3.5	0.1	0.4		5.0			19.2				74	14
CT75072	20-53	B21t	S	19.8	10.2	0.1	0.4		7.1			37.6				81	31
CT75073	53-71	B22t	S	12.6	6.6	0.1	0.3		4.5			24.1				81	20
CT75074	71-89	B23t	S	8.8	4.9	0.1	0.2		3.4			17.4				80	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
				8C1c	4C1a2a	4C1a2a				6E1e
CT75071	0-20	Ap	S	6.2	6.8	7.1
CT75072	20-53	B21t	S	5.4	6.3	6.7
CT75073	53-71	B22t	S	5.6	6.5	7.0
CT75074	71-89	B23t	S	6.1	6.8	7.4
CT75075	89-109	B3	S	6.6	7.3	7.7				4
CT75076	109-152	C1	S	7.1	7.7	8.1				24
CT75077	152-178	C2	S	7.3	7.7	8.1				28

*** Primary Characterization Data ***

Pedon ID: 1975IN023007

( Clinton, Indiana )

Print Date: Nov 14 2025 11:24AM

Sampled As	:	Starks
Purdue University Soil Characterization Laboratory			;	Pedon No.  CT7507

---

Phosphorous

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -)

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

6S3

CT75071

0-20

Ap

S

109.0

CT75072

20-53

B21t

S

9.0

CT75073

53-71

B22t

S

3.0

CT75074

71-89

B23t

S

1.0

CT75075

89-109

B3

S

1.0

CT75076

109-152

C1

S

1.0

CT75077

152-178

C2

S

2.0