*** Taxonomy Characterization Data ***

Pedon ID: 77TX047003

( Brooks, Texas )

Print Date: Nov 21 2024 2:00PM

Sampled as on Dec 30, 1976:	Nueces ; Loamy, mixed, hyperthermic Aquic Arenic Paleustalf
Revised to correlated:	Padrones ; Loamy, mixed, superactive, hyperthermic Arenic Natrustalfs

				United States Department of Agriculture
SSL	-	Project	CP78TX089   SOUTH TEXAS SAND SHEET	Natural Resources Conservation Service
	-	Site ID	S1977TX047003   Lat: 26° 58' 48.00" north  Long: 98° 0' 0.00" west  MLRA: 83C	National Soil Survey Center
	-	Pedon No.	78P0207	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			8D1			4A1d			7B1a2
78P01049	0-8	A1	S	tr					83			--	89
78P01050	8-28	A2	S	tr					84			--
78P01051	28-59	A3	S	tr					84	1.49	0.007	--
78P01052	59-86	E1	S	tr					84	1.55	--	--	88
78P01053	86-99	E2	S	tr					83	1.58	--	--
78P01054	99-102	Bt1	S	6.1			0.59		79			--
78P01055	102-135	Bt2	S	8.5			0.59		76	1.62	0.014	--	90
78P01056	135-162	Bt3	S	10.5			0.60		75	1.55	0.023	--
78P01057	162-190	Bt4	S	13.9			0.56		73	1.49	0.032	--
78P01058	190-221		S	19.7			0.62		69	1.38	0.072	--
78P01059	221-244		S	16.4			0.67		72	1.45	0.046	tr
78P01060	244-274	C1	S	14.7			0.61		72			--
78P01061	274-305	C2	S	11.0			0.67		75			--

¹ Analyzed size fraction = 0.05-0.1 mm

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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		6A1c				6E1b	5C1	5C3			8D1			8A1a	5D2
78P01049	0-8	A1	S	6.4		0.63					100*	89						0.08	4
78P01050	8-28	A2	S	5.9		0.18					93	100						0.05	--
78P01051	28-59	A3	S	5.8		0.12					80	86						0.03	--
78P01052	59-86	E1	S	5.6		0.07					85	100						0.06	8
78P01053	86-99	E2	S	6.0		0.04					88	100						0.04	13
78P01054	99-102	Bt1	S	7.0		0.14				tr	92	89			0.61			0.12	22
78P01055	102-135	Bt2	S	7.9		0.05				tr	94	98			0.61			0.14	31
78P01056	135-162	Bt3	S	8.3		0.02				tr	100*	100			0.66			1.07	40
78P01057	162-190	Bt4	S	8.9		0.02				tr	100*	100			0.65			1.70	44
78P01058	190-221		S	9.2		0.02				tr	100*	100			0.69			1.97	59
78P01059	221-244		S	8.9		0.01				tr	100*	100			0.76			1.67	53
78P01060	244-274	C1	S	9.3		0.03				tr	100*	100			0.70			1.82	53
78P01061	274-305	C2	S	9.0		0.04				tr	100*	100			0.79			1.30	53

^*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	0.62	(NA)
Clay, carbonate free, Weighted Average	9	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	76	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	9	% wt
Weighted averages based on control section: 99-149 cm