*** Taxonomy Characterization Data ***

Pedon ID: 91TX297002

( Live Oak, Texas )

Print Date: Dec 8 2025 12:55PM

Sampled as on Feb 27, 1991:	Pernitas ; Fine-loamy, mixed, hyperthermic Typic Argiustolls
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP91TX134   LIVE OAK COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991TX297002   Lat: 28° 26' 31.00" north  Long: 98° 2' 55.01" west  MLRA: 83A	National Soil Survey Center
	-	Pedon No.	91P0522	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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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	8D1			4A1d			7B1a2
91P03013	0-17	Ap	S	19.9		0.3	0.52		53	1.43	0.025		92
91P03014	17-35	Bt1	S	29.4		3.1	0.46		41	1.58	0.076
91P03015	35-49	Bt2	S	31.2		6.0	0.46		40
91P03016	49-65	Bt3	S	32.8		7.5	0.40		38	1.46	0.039		85
91P03017	65-89	Bt4	S	35.7		7.5	0.41		37	1.40	0.051	2
91P03018	89-120	2Bk1	S	30.7		12.9	0.37		29	1.29	0.027	2
91P03019	120-148	2Bk2	S	28.4		11.7	0.37		30	1.38	0.023	3	76
91P03020	148-200	2Bk3	S	26.1		8.2	0.40		32	1.47	0.043	1

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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	%
				4C1a2a		6A1c				6E1g	5C1	5C3			8D1			8A3a	5D2
91P03013	0-17	Ap	S	8.0		1.08				2	100*	100			0.88			0.63	--
91P03014	17-35	Bt1	S	8.0		0.93				6	100*	100			0.75				--
91P03015	35-49	Bt2	S	8.1		0.74				11	100*	100			0.68				--
91P03016	49-65	Bt3	S	8.2		0.56				14	100*	100			0.64				tr
91P03017	65-89	Bt4	S	8.1		0.50				17	100*	100			0.64			0.57	tr
91P03018	89-120	2Bk1	S	8.2		0.30				47	100*	100			0.44			0.93	1
91P03019	120-148	2Bk2	S	8.1		0.17				39	100*	100			0.45			0.70	1
91P03020	148-200	2Bk3	S	8.2		0.11				32	100*	100			0.53				2

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

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.83	(NA)
Clay, carbonate free, Weighted Average	26	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	40	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	31	% wt
Weighted averages based on control section: 17-67 cm