*** Taxonomy Characterization Data ***

Pedon ID: 79TX479007

( Webb, Texas )

Print Date: Nov 27 2024 11:05AM

Sampled as on Dec 1, 1979:	Tonio ; Fine-loamy, mixed, hyperthermic Ustollic Haplargid
Revised to correlated:	Aguilares ; Fine-loamy, mixed, hyperthermic Ustollic Calciorthids

				United States Department of Agriculture
SSL	-	Project	CP80TX124   WEBB COUNTY	Natural Resources Conservation Service
	-	Site ID	S1979TX479007   Lat: 27° 36' 10.00" north  Long: 98° 58' 20.00" west  MLRA: 83B	National Soil Survey Center
	-	Pedon No.	80P0182	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	3A1a1a	8D1			4A1d			7B1a2
80P00909	0-8	A1	S	23.6	8.0		0.46		38			--
80P00910	8-23	A2	S	26.5	12.6		0.45		37	1.36	0.033	--
80P00911	23-51	B	S	32.4	13.5	7.0	0.45		30	1.32	0.046	tr	53
80P00912	51-94	Bk1	S	42.7	17.6	17.2	0.40		22			1
80P00913	94-109	Bk2	S	42.0	15.4	20.5	0.34		22			1
80P00914	109-152	Bky	S	36.2	14.1	2.9	0.31		24			tr	53

---

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
80P00909	0-8	A1	S	8.1		1.32				tr	100*	100			0.88			0.84	1
80P00910	8-23	A2	S	8.2		0.94				1	100*	100			0.77			0.71	1
80P00911	23-51	B	S	8.0		0.72				10	100*	100			0.61			4.08	13
80P00912	51-94	Bk1	S	8.1		0.32				26	100*	100			0.41			12.27	46
80P00913	94-109	Bk2	S	8.1		0.18				31	100*	100			0.36			14.24	45
80P00914	109-152	Bky	S	8.0		0.11				27	100*	100			0.42			13.38	51

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.72	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	25	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	39	% wt
Weighted averages based on control section: 25-100 cm