*** Taxonomy Characterization Data ***

Pedon ID: S17TX399102

( Runnels, Texas )

Print Date: Dec 6 2025 3:46AM

Sampled as on May 20, 2017:	Rowena ; Fine, mixed, superactive, thermic Vertic Calciustolls
Revised to :

				State of Texas
SSL	-	Project	TX202001   Texas A&M University	Texas A&M University
	-	Site ID	S17TX399102   Lat: 31° 39' 2.33" north  Long: 99° 53' 54.00" west  MLRA: 78A	University Soil Laboratory
	-	Pedon No.	S17TX399102	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		College Station, Texas

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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

TAMU7980

0-5

A1

S

37.8

5.1

TAMU7981

5-14

A2

S

41.3

9.0

TAMU7982

14-28

Bss

S

42.1

12.0

TAMU7983

28-46

Bkss1

S

42.1

13.2

TAMU7984

46-82

Bkss2

S

41.9

14.0

TAMU7985

82-130

Bk

S

37.0

16.7

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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			6A2a											SATP_TAMU
TAMU7980	0-5	A1	S	8.0			1.11				100*				0.90			34.00
TAMU7981	5-14	A2	S	8.0			0.98				100*				0.85			0.40
TAMU7982	14-28	Bss	S	7.9			0.79				100*				0.81			0.40	--
TAMU7983	28-46	Bkss1	S	7.9			0.84				100*				0.82			0.50
TAMU7984	46-82	Bkss2	S	7.9			0.92				100*				0.75			0.60
TAMU7985	82-130	Bk	S	8.0			0.56				100*				0.68			0.50	--

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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