*** Primary Characterization Data ***

Pedon ID: 1978IL157054

( Randolph, Illinois )

Print Date: Mar 2 2025 8:59AM

Sampled as on Nov 29, 1978:	Ruma
Revised to correlated:	Ava ; Fine-silty, mixed, active, mesic Oxyaquic Fragiudalfs

				State of Illinois
SSL	-	Project	IL200810   University of Illinois, Soil Characterization Data Book #09	University of Illinois
	-	Site ID	1978IL157054   Lat: 38° 6' 17.52" north  Long: 89° 38' 42.48" west  MLRA: 114B	Soil Characterization Laboratory
	-	Pedon No.	78IL157054	Department of Natural Resources and Environmental Science
	-	General Methods 1B1A, 2A1, 2B		Urbana, Illinois

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
IL26201	Ap	Ap	0-15					SIL
IL26202	B1	B1	15-23					SIL
IL26203	B21t	B21t	23-38					SICL
IL26204	B22t	B22t	38-48					SICL
IL26205	IIB23x	IIB23x	48-64					SIL
IL26206	IIB23x	IIB23x	64-81					SIL
IL26207	IIB3	IIB3	81-102					SIL
IL26208	IIC1	IIC1	102-122					SIL
IL26209	IIIC2b	IIIC2b	122-180					CL

---

---

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
IL26201	0-15	Ap	S	sil	17.0	76.0	5.0
IL26202	15-23	B1	S	sil	24.0	71.0	4.0
IL26203	23-38	B21t	S	sicl	29.0	66.0	4.0
IL26204	38-48	B22t	S	sicl	31.0	61.0	6.0
IL26205	48-64	IIB23x	S	sil	26.0	64.0	9.0
IL26206	64-81	IIB23x	S	sil	22.0	64.0	12.0
IL26207	81-102	IIB3	S	sil	21.0	64.0	14.0
IL26208	102-122	IIC1	S	sil	23.0	62.0	14.0
IL26209	122-180	IIIC2b	S	cl	33.0	43.0	23.0

*** Primary Characterization Data ***

Pedon ID: 1978IL157054

( Randolph, Illinois )

Print Date: Mar 2 2025 8:59AM

Sampled As	:	Ruma
University of Illinois Soil Survey Laboratory			;	Pedon No.  78IL157054

---

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

%

IL26203

23-38

B21t

S

0.61

IL26204

38-48

B22t

S

0.61

IL26205

48-64

IIB23x

S

0.70

IL26206

64-81

IIB23x

S

0.75

IL26207

81-102

IIB3

S

0.69

---

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 - - - - -)

6A1a

IL26201

0-15

Ap

S

1.30

IL26202

15-23

B1

S

--

IL26203

23-38

B21t

S

--

IL26204

38-48

B22t

S

--

IL26205

48-64

IIB23x

S

--

IL26206

64-81

IIB23x

S

--

IL26207

81-102

IIB3

S

--

IL26208

102-122

IIC1

S

--

IL26209

122-180

IIIC2b

S

--

---

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 - - -)

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

5A8b

IL26203

23-38

B21t

S

17.7

IL26204

38-48

B22t

S

18.9

IL26205

48-64

IIB23x

S

18.3

IL26206

64-81

IIB23x

S

16.6

IL26207

81-102

IIB3

S

14.5

*** Primary Characterization Data ***

Pedon ID: 1978IL157054

( Randolph, Illinois )

Print Date: Mar 2 2025 8:59AM

Sampled As	:	Ruma
University of Illinois Soil Survey Laboratory			;	Pedon No.  78IL157054

---

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

8C1a

IL26203

23-38

B21t

S

5.6

IL26204

38-48

B22t

S

5.1

IL26205

48-64

IIB23x

S

4.9

IL26206

64-81

IIB23x

S

4.9

IL26207

81-102

IIB3

S

5.2