*** Taxonomy Characterization Data ***

Pedon ID: 88AR097001

( Montgomery, Arkansas )

Print Date: Apr 28 2025 12:31AM

Sampled as on Nov 29, 1988:	Mena ; Clayey, mixed Aquic Paleudults
Revised to :

				United States Department of Agriculture
SSL	-	Project	RP91AR152   MONTGOMERY COUNTY, ARKANSAS	Natural Resources Conservation Service
	-	Site ID	S1988AR097001   Lat: 34° 38' 46.42" north  Long: 93° 43' 20.71" west	National Soil Survey Center
	-	Pedon No.	91P0645	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a	3A1a1a		8D1						7B1a2
91P03676	33-56	Bt1	S	34.3	25.2		0.35		11				93
91P03677	56-84	Bt2	S	32.3	24.6		0.39		11				87
91P03678	84-135	2Bt	S	41.5	30.4		0.34		15				95

---

Taxonomy Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

pH

pH

Org

Tot

Al+½ Fe

CO3 as

(--- Base Sat ---)

NZ

ECEC

CEC7

ECEC

Al

Depth

H2O

NaF

C

C

Oxal

ODOE

CaCO3

NH4

Bases

P Ret

cmol(+)

/Clay

/Clay

Sat

E C

ESP

Layer

(cm)

Horz

Prep

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

kg -1

%

dS m-1

%

4C1a2a

6A1c

91P03676

33-56

Bt1

S

4.6

0.18

91P03677

56-84

Bt2

S

4.7

0.11

91P03678

84-135

2Bt

S

4.6

0.06

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	33	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	11	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	33	% wt
Weighted averages based on control section: 33-83 cm