*** Primary Characterization Data ***

Pedon ID: 84IA1030023

( Johnson, Iowa )

Print Date: Dec 17 2024 11:32PM

Sampled as on Oct 30, 1984:	Snd
Revised to correlated:	Fayette ; Fine-silty, mixed, superactive, mesic Typic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	RP85IA111   JOHNSON COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA103023   Lat: 41° 46' 5.00" north  Long: 91° 28' 43.01" west  MLRA: 108C	National Soil Survey Center
	-	Pedon No.	85P0401	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
85P01949	Ap	Ap	0-15				SIL	SIL
85P01950	Bt1	Bt1	15-25				SICL	SICL
85P01951	Bt2	Bt2	25-38				SICL	SICL
85P01952	Bt31	Bt3	38-51				SICL	SICL
85P01953	Bt32	Bt3	51-64				SICL	SICL
85P01954	Bt41	Bt4	64-79				SICL	SICL
85P01955	Bt42	Bt4	79-94					SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	33	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	0	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	33	% wt
Weighted averages based on control section: 15-65 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
85P01949	0-15	Ap	S	sil	25.1	73.0	1.9			30.0	43.0	1.4	0.3	0.2	--	--	--	--	--	1	--
85P01950	15-25	Bt1	S	sicl	34.0	64.9	1.1			29.6	35.3	1.0	0.1	--	--	--	--	--	--	tr	--
85P01951	25-38	Bt2	S	sicl	33.4	65.1	1.5			28.1	37.0	1.1	0.2	0.2	--	--	--	--	--	tr	--
85P01952	38-51	Bt31	S	sicl	32.6	66.0	1.4			28.0	38.0	1.3	0.1	--	--	--	--	--	--	tr	--
85P01953	51-64	Bt32	S	sicl	30.6	68.3	1.1			28.5	39.8	1.0	0.1	--	--	--	--	--	--	tr	--
85P01954	64-79	Bt41	S	sicl	31.2	67.9	0.9			27.3	40.6	0.9	--	--	--	--	--	--	--	--	--
85P01955	79-94	Bt42	S	sicl	30.1	68.9	1.0			29.3	39.6	1.0	--	--	--	--	--	--	--	--	--

*** Primary Characterization Data ***

Pedon ID: 84IA1030023

( Johnson, Iowa )

Print Date: Dec 17 2024 11:32PM

Sampled As	:	Snd
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0401

---

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
85P01949	0-15	Ap	S							10.6		1.019					0.42
85P01950	15-25	Bt1	S							15.2		1.029					0.45
85P01951	25-38	Bt2	S							14.9		1.030					0.45
85P01952	38-51	Bt31	S							14.8		1.028					0.45
85P01953	51-64	Bt32	S							14.1		1.028					0.46
85P01954	64-79	Bt41	S							14.5		1.027					0.46
85P01955	79-94	Bt42	S							14.4		1.028					0.48

---

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

85P01949

0-15

Ap

S

1.28

85P01950

15-25

Bt1

S

0.46

85P01951

25-38

Bt2

S

0.31

85P01952

38-51

Bt31

S

0.28

85P01953

51-64

Bt32

S

0.33

85P01954

64-79

Bt41

S

0.42

85P01955

79-94

Bt42

S

0.22

*** Primary Characterization Data ***

Pedon ID: 84IA1030023

( Johnson, Iowa )

Print Date: Dec 17 2024 11:32PM

Sampled As	:	Snd
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0401

---

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

85P01949

0-15

Ap

S

4.3

4.7

85P01950

15-25

Bt1

S

5.6

6.4

85P01951

25-38

Bt2

S

5.5

6.3

85P01952

38-51

Bt31

S

5.2

6.0

85P01953

51-64

Bt32

S

4.9

5.7

85P01954

64-79

Bt41

S

4.8

5.7

85P01955

79-94

Bt42

S

4.8

5.9