*** Primary Characterization Data ***

Pedon ID: 84IA1030022

( Johnson, Iowa )

Print Date: Nov 21 2024 12:59PM

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

				United States Department of Agriculture
SSL	-	Project	RP85IA111   JOHNSON COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA103022   Lat: 41° 46' 3.01" north  Long: 91° 28' 0.00" west  MLRA: 108C	National Soil Survey Center
	-	Pedon No.	85P0400	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
85P01943	Ap	Ap	0-20				SIL	SIL
85P01944	Bt1	Bt1	20-36				SIC	SICL
85P01945	Bt21	Bt2	36-48				SICL	SICL
85P01946	Bt22	Bt2	48-66				SICL	SICL
85P01947	Bt31	Bt3	66-81				SICL	SICL
85P01948	Bt32	Bt3	81-94				SICL	SICL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	32	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	0	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	32	% wt
Weighted averages based on control section: 20-70 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
85P01943	0-20	Ap	S	sil	24.4	73.9	1.7			29.1	44.8	1.3	0.3	0.1	--	--	--	--	--	tr	--
85P01944	20-36	Bt1	S	sicl	31.7	67.0	1.3			28.4	38.6	1.0	0.2	0.1	--	--	--	--	--	tr	--
85P01945	36-48	Bt21	S	sicl	32.4	66.2	1.4			28.0	38.2	1.1	0.2	0.1	--	--	--	--	--	tr	--
85P01946	48-66	Bt22	S	sicl	31.2	67.4	1.4			27.4	40.0	1.1	0.2	0.1	--	--	--	--	--	tr	--
85P01947	66-81	Bt31	S	sicl	29.8	69.0	1.2			28.5	40.5	1.0	0.2	--	--	--	--	--	--	tr	--
85P01948	81-94	Bt32	S	sicl	29.2	69.7	1.1			27.5	42.2	1.0	0.1	--	--	--	--	--	--	tr	--

*** Primary Characterization Data ***

Pedon ID: 84IA1030022

( Johnson, Iowa )

Print Date: Nov 21 2024 12:59PM

Sampled As	:	Snd
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0400

---

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
85P01943	0-20	Ap	S							10.4		1.019					0.43
85P01944	20-36	Bt1	S							13.5		1.027					0.43
85P01945	36-48	Bt21	S							14.8		1.029					0.46
85P01946	48-66	Bt22	S							14.3		1.028					0.46
85P01947	66-81	Bt31	S							13.9		1.028					0.47
85P01948	81-94	Bt32	S							13.7		1.027					0.47

---

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

85P01943

0-20

Ap

S

1.05

85P01944

20-36

Bt1

S

0.40

85P01945

36-48

Bt21

S

0.31

85P01946

48-66

Bt22

S

0.25

85P01947

66-81

Bt31

S

0.21

85P01948

81-94

Bt32

S

0.20

---

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

85P01943

0-20

Ap

S

4.9

5.4

85P01944

20-36

Bt1

S

5.7

6.4

85P01945

36-48

Bt21

S

5.6

6.3

85P01946

48-66

Bt22

S

5.5

6.3

85P01947

66-81

Bt31

S

5.4

6.1

85P01948

81-94

Bt32

S

5.2

5.9