*** Taxonomy Characterization Data ***

Pedon ID: S1964TX327001

( Menard, Texas )

Print Date: Dec 4 2024 3:04AM

Sampled as on Oct 4, 1964:	Tarrant
Revised to correlated on Apr 7, 2014:	Tarrant ; Clayey-skeletal, smectitic, thermic Lithic Calciustolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1964TX327001   Lat: 30° 52' 29.00" north  Long: 99° 45' 56.00" west  MLRA: 81B	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A4526	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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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

40A34579

0-18

A

S

53.0

--

0.42

1

71

40A34580

18-33

Ak

S

57.7

13.0

0.38

7

20

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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

%

8C1a

6A1a

6E1b

5D2

40A34579

0-18

A

S

7.6

3.63

3

100

0.91

tr

40A34580

18-33

Ak

S

7.6

3.74

25

100

0.70

tr

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.9	(NA)
Clay, carbonate free, Weighted Average	45	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	7	% wt
Volume, >2mm, Weighted Average	20	% vol
Clay, total, Weighted Average	58	% wt
Weighted averages based on control section: 25-33 cm