*** Andic Soil Properties Data ***

Pedon ID: 87IA1770018

( Van Buren, Iowa )

Print Date: Mar 2 2025 9:00AM

Sampled as on Sep 1, 1987:	Kniffin ; Fine, montmorillonitic, mesic Udollic Ochraqualf
Revised to correlated:	Clarinda ; Fine, smectitic, mesic Udollic Ochraqualfs

				United States Department of Agriculture
SSL	-	Project	RP87IA135   EROSION VAN BUREN COUNTY	Natural Resources Conservation Service
	-	Site ID	S1987IA1770018   Lat: 40° 4242.00" north  Long: 91° 5649.99" west  MLRA: 109	National Soil Survey Center
	-	Pedon No.	87P0391	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Andic Soil Properties Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-	-21-
				Total	Fine	CaCO3	CoSi to	Est	.1-75	Vol >2mm				Bulk	COLE								Al+½Fe	Al+½Fe
				Clay	Clay	Clay	VCoS	Clay	Fraction	% of	(- - - - 1500 kPa - - - -)			Density	Whole	(- - - - - - - - - - Glass Content - - - - - - - - - -)							*15.625	*60.0
	Depth			<.002	<.0002	<.002	.02 - 2	Content		Whole Soil	air-dry	field moist	/Clay	33 kPa	Soil	csi	vfs	fs	ms	cs	vcs	Wt Avg	+Glass	+Glass
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - % of <2 mm - - - - - - - - -)					% of <75 mm	(- - - - - - - - % - - - - - - -)				g cm-3	cm cm-1	(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)
				3A1a1a							3C2a1a		8D1
87P02011	0-20	Ap	S	28.1					2	--	13.4		0.48
87P02012	20-38	Bt1	S	42.7					1	--	19.0		0.44
87P02013	38-53	Bt2	S	40.6					tr	--	18.4		0.45
87P02014	53-76	Bt3	S	32.9					1	--	15.0		0.46
87P02015	76-94	2C	S	37.9					9	--	15.9		0.42

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Andic Soil Properties Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

CO3

Al+

8*Si

Optical

KCl

NH4OAC

Sum

(- Base Sat -)

pH

pH

Org

Tot

as

NZ

½Fe

8*Si

2*Fe

+2*Fe

Density

Extr

Sum

Bases+

NH4OAC

Sum of

Melanic

(- Atterberg -)

Depth

H2O

NaF

C

C

CaCO3

P Ret

Oxal

Oxal

Oxal

Oxal

Oxal

Al

Bases

Extr Al

pH 7.0

Cations

Index

LL

PI

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - - - - - - - - - % wt - - - - - - - - - - - - - - - - - -)

cmol(+) kg-1

(- meq 100g-1 -)

(- - - - % - - - - -)

( % <0.4mm )

4C1a2a

6A1c

87P02011

0-20

Ap

S

5.5

2.92

87P02012

20-38

Bt1

S

5.1

1.07

87P02013

38-53

Bt2

S

5.4

0.76

87P02014

53-76

Bt3

S

6.1

0.30

87P02015

76-94

2C

S

7.4

0.21