*** Primary Characterization Data ***

Pedon ID: 84IA0030044

( Adams, Iowa )

Print Date: Feb 16 2025 5:22AM

Sampled as on Nov 1, 1985:	Adair ; Fine, montmorillonitic, mesic Aquic Argiudoll
Revised to correlated:	Adair ; Fine, smectitic, mesic Aquic Argiudolls

				United States Department of Agriculture
SSL	-	Project	RP85IA136   ADAMS COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA0030044   Lat: 40° 56' 33.04" north  Long: 94° 44' 8.91" west  MLRA: 108	National Soil Survey Center
	-	Pedon No.	85P0503	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
85P02493	Ap	Ap	0-15				CL	CL
85P02494	BA	BA	15-28				CL	CL
85P02495	Bt1	Bt1	28-41				CL	C
85P02496	Bt2	Bt2	41-56				C	C
85P02497	Bt3	Bt3	56-71				CL	CL
85P02498	Bt41	Bt4	71-81				CL	CL
85P02499	Bt42	Bt4	81-91				CL	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	39	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	22	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	39	% wt
Weighted averages based on control section: 28-78 cm

---

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			3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
85P02493	0-15	Ap	S	cl	31.0	39.5	29.5			17.9	21.6	6.9	11.6	7.4	2.6	1.0	tr	1	--	23	1
85P02494	15-28	BA	S	cl	37.5	34.6	27.9			16.5	18.1	6.0	9.8	6.2	2.7	3.2	2	4	--	27	6
85P02495	28-41	Bt1	S	c	41.2	30.9	27.9			15.4	15.5	6.5	10.3	6.3	3.2	1.6	1	2	--	24	3
85P02496	41-56	Bt2	S	c	42.3	30.4	27.3			16.1	14.3	6.9	9.9	6.2	3.2	1.1	1	1	--	22	2
85P02497	56-71	Bt3	S	cl	37.3	34.0	28.7			17.6	16.4	8.5	10.1	6.3	2.7	1.1	tr	--	--	20	tr
85P02498	71-81	Bt41	S	cl	34.3	33.1	32.6			18.1	15.0	8.1	12.6	8.1	2.8	1.0	1	1	--	26	2
85P02499	81-91	Bt42	S	cl	33.6	31.9	34.5			17.8	14.1	8.0	13.3	8.8	2.9	1.5	1	2	--	29	3

*** Primary Characterization Data ***

Pedon ID: 84IA0030044

( Adams, Iowa )

Print Date: Feb 16 2025 5:22AM

Sampled As	:	Adair		Fine, montmorillonitic, mesic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0503

---

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	%
										3C2a1a		3D1					8D1
85P02493	0-15	Ap	S							13.4		1.030					0.43
85P02494	15-28	BA	S							16.9		1.037					0.45
85P02495	28-41	Bt1	S							17.7		1.043					0.43
85P02496	41-56	Bt2	S							16.9		1.043					0.40
85P02497	56-71	Bt3	S							16.0		1.040					0.43
85P02498	71-81	Bt41	S							13.9		1.036					0.41
85P02499	81-91	Bt42	S							13.2		1.032					0.39

---

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 - - - - -)

6A1c

85P02493

0-15

Ap

S

2.20

85P02494

15-28

BA

S

1.56

85P02495

28-41

Bt1

S

1.10

85P02496

41-56

Bt2

S

0.69

85P02497

56-71

Bt3

S

0.43

85P02498

71-81

Bt41

S

0.24

85P02499

81-91

Bt42

S

0.20

*** Primary Characterization Data ***

Pedon ID: 84IA0030044

( Adams, Iowa )

Print Date: Feb 16 2025 5:22AM

Sampled As	:	Adair		Fine, montmorillonitic, mesic Aquic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0503

---

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

85P02493

0-15

Ap

S

6.7

7.2

85P02494

15-28

BA

S

5.6

6.4

85P02495

28-41

Bt1

S

5.4

6.0

85P02496

41-56

Bt2

S

5.2

5.9

85P02497

56-71

Bt3

S

5.4

6.1

85P02498

71-81

Bt41

S

5.6

6.3

85P02499

81-91

Bt42

S

5.8

6.4