*** Primary Characterization Data ***

Pedon ID: S1988IA005024

( Allamakee, Iowa )

Print Date: Nov 24 2024 3:14AM

Sampled as on Aug 14, 1988:	Downs ; Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Revised to correlated on May 31, 2014:	Downs ; Fine-silty, mixed, superactive, mesic Mollic Hapludalfs

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1988IA005024   Lat: 43° 20' 25.72" north  Long: 91° 30' 36.36" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	X3-862E2-2	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
ISU02020	Ap	Ap	0-25	52161	S1988IA005024-1		LOAM	L
ISU02021	Bt1	Bt1	25-43	52162	S1988IA005024-2		LOAM	L
ISU02022	Bt2	Bt2	43-63	52163	S1988IA005024-3		SILT LOAM	SIL
ISU02023	Bt3	Bt3	63-83	52164	S1988IA005024-4		SILT LOAM	SIL
ISU02024	Bt4	Bt4	83-116	52165	S1988IA005024-5		SILT LOAM	SIL
ISU02025	Bt5	Bt5	116-152	52166	S1988IA005024-6		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
ISU02020	0-25	Ap	S	l	17.6	33.8	48.6			16.9	16.9
ISU02021	25-43	Bt1	S	l	22.8	40.2	37.0			20.5	19.7
ISU02022	43-64	Bt2	S	sil	24.6	51.6	23.8			25.9	25.7
ISU02023	64-84	Bt3	S	sil	25.9	61.3	12.8			31.2	30.1
ISU02024	84-117	Bt4	S	sil	25.5	57.5	17.0			28.9	28.6
ISU02025	117-152	Bt5	S	sil	26.1	61.7	12.2			27.5	34.2

*** Primary Characterization Data ***

Pedon ID: S1988IA005024

( Allamakee, Iowa )

Print Date: Nov 24 2024 3:14AM

Sampled As	:	Downs		Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X3-862E2-2

---

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

ISU02020

0-25

Ap

S

1.28

ISU02021

25-43

Bt1

S

0.59

ISU02022

43-64

Bt2

S

0.62

---

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

ISU02020

0-25

Ap

S

6.3

ISU02021

25-43

Bt1

S

6.0

ISU02022

43-64

Bt2

S

6.1

ISU02023

64-84

Bt3

S

5.9

ISU02024

84-117

Bt4

S

5.5

ISU02025

117-152

Bt5

S

5.5