*** Primary Characterization Data ***

Pedon ID: S1987IA005017

( Allamakee, Iowa )

Print Date: Apr 24 2025 10:28AM

Sampled as on Aug 29, 1987:	Bertrand ; Fine-silty, mixed, mesic Typic Hapludalfs
Revised to correlated on Jul 16, 2017:	Festina ; Fine-silty, mixed, superactive, mesic Typic Hapludalfs

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1987IA005017   Lat: 43° 26' 38.00" north  Long: 91° 24' 57.00" west  MLRA: 105	Soil Characterization Laboratory
	-	Pedon No.	X3-793B-1	Iowa State University Soil Characterization Laboratory
	-	General Methods 1B1A, 2A1, 2B		Ames, Iowa 50011-1010

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
ISU01866	Ap	Ap	0-25	51241	S1987IA005017-1		SILT LOAM	SIL
ISU01867	Bt1	Bt1	25-40	51242	S1987IA005017-2		SILT LOAM	SIL
ISU01868	Bt2	Bt2	40-50	51243	S1987IA005017-3		SILTY CLAY LOAM	SICL
ISU01869	Bt3	Bt3	50-68	51244	S1987IA005017-4		SILTY CLAY LOAM	SICL
ISU01870	Bt4	Bt4	68-81	51245	S1987IA005017-5		SILT LOAM	SIL
ISU01871	Bt5	BC	81-99	51246	S1987IA005017-6		SILT LOAM	SIL
ISU01872	BCt	C	99-167	51247	S1987IA005017-7		SILT LOAM	SIL

---

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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
ISU01866	0-25	Ap	S	sil	19.3	76.5	4.2			36.5	40.0
ISU01867	25-41	Bt1	S	sil	26.4	69.4	4.2			31.4	38.0
ISU01868	41-51	Bt2	S	sicl	28.4	67.3	4.3			27.8	39.5
ISU01869	51-69	Bt3	S	sicl	27.1	67.8	5.1			25.9	41.9
ISU01870	69-81	Bt4	S	sil	25.5	69.9	4.6			24.3	45.6
ISU01871	81-99	Bt5	S	sil	25.3	69.8	4.9			26.7	43.1
ISU01872	99-168	BCt	S	sil	21.5	71.2	7.3			23.4	47.8

*** Primary Characterization Data ***

Pedon ID: S1987IA005017

( Allamakee, Iowa )

Print Date: Apr 24 2025 10:28AM

Sampled As	:	Bertrand		Fine-silty, mixed, mesic Typic Hapludalfs
Iowa State University Soil Characterization Laboratory			;	Pedon No.  X3-793B-1

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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 - - - - -)

4H2a

ISU01866

0-25

Ap

S

1.46

ISU01867

25-41

Bt1

S

0.47

ISU01868

41-51

Bt2

S

0.42

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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

ISU01866

0-25

Ap

S

6.5

ISU01867

25-41

Bt1

S

6.3

ISU01868

41-51

Bt2

S

6.0

ISU01869

51-69

Bt3

S

5.3

ISU01870

69-81

Bt4

S

5.3

ISU01871

81-99

Bt5

S

5.3

ISU01872

99-168

BCt

S

5.5