*** Primary Characterization Data ***

Pedon ID: S1988IA005006

( Allamakee, Iowa )

Print Date: May 20 2024 5:05AM

Sampled as on Aug 14, 1988:	Downs ; Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Revised to correlated on Aug 14, 1988:	Churchtown

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1988IA005006   Lat: 43° 20' 15.00" north  Long: 91° 31' 9.00" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	X3-862E2	Iowa State University Soil Characterization Laboratory
	-	General Methods 1B1A, 2A1, 2B		Ames, Iowa 50011-1010

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
ISU01927	Ap	Ap	0-22	52123	S1988IA005006-1		SILT LOAM	SL
ISU01928	Bt1	Bt1	22-43	52124	S1988IA005006-2		SILT LOAM	SIL
ISU01929	Bt2	Bt2	43-60	52125	S1988IA005006-3		SILTY CLAY LOAM	SIL
ISU01930	Bt3	Bt3	60-76	52126	S1988IA005006-4		SILTY CLAY LOAM	SICL
ISU01931	2Bt4	Bt4	76-111	52127	S1988IA005006-5		SILT LOAM	SIL
ISU01932	2Bt5	Bt5	111-152	52128	S1988IA005006-6		SILT LOAM	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
					3A1					3A1
ISU01927	0-23	Ap	S	sl	10.9	36.7	52.4			17.1	19.6
ISU01928	23-43	Bt1	S	sil	22.1	55.5	22.4			27.5	28.0
ISU01929	43-61	Bt2	S	sil	26.3	61.7	12.0			30.1	31.6
ISU01930	61-76	Bt3	S	sicl	27.7	58.6	13.7			25.5	33.1
ISU01931	76-112	2Bt4	S	sil	24.5	66.0	9.5			26.7	39.3
ISU01932	112-152	2Bt5	S	sil	21.4	68.5	10.1			25.3	43.2

*** Primary Characterization Data ***

Pedon ID: S1988IA005006

( Allamakee, Iowa )

Print Date: May 20 2024 5:05AM

Sampled As	:	Downs		Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X3-862E2

---

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 - - - - -)

6A1

ISU01927

0-23

Ap

S

1.37

ISU01928

23-43

Bt1

S

0.37

ISU01929

43-61

Bt2

S

0.25

---

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

ISU01927

0-23

Ap

S

6.9

ISU01928

23-43

Bt1

S

6.7

ISU01929

43-61

Bt2

S

6.4

ISU01930

61-76

Bt3

S

5.8

ISU01931

76-112

2Bt4

S

5.4

ISU01932

112-152

2Bt5

S

5.5