*** Taxonomy Characterization Data ***

Pedon ID: 97TX489003

( Willacy, Texas )

Print Date: Nov 21 2024 2:51PM

Sampled as on Dec 1, 1997:	WILLACY ; Fine-loamy, mixed Udic Argiustolls
Revised to SSL:	(unnamed) ; Fine-loamy, mixed, superactive, hyperthermic Vertic Natrustalf

				United States Department of Agriculture
SSL	-	Project	CP98TX051   WILLACY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1997TX489003   Lat: 26° 23' 59.70" north  Long: 97° 42' 49.59" west  MLRA: 83D	National Soil Survey Center
	-	Pedon No.	98P0180	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	3A1a1a	8D1			4A1d			7B1a2
98P01138	0-15	Ap1	S	13.0	10.1		0.53		54	1.51	0.030	--
98P01139	15-29	Ap2	S	18.6	15.3		0.51		47	1.45	0.038	--
98P01140	29-48	Btk1	S	23.5	16.8		0.57		47	1.42	0.067	1
98P01141	48-72	Btk2	S	25.5	19.2		0.52		46	1.38	0.086	1	74
98P01142	72-114	Btkz1	S	28.4	19.3	1.5	0.49		41	1.36	0.093	1
98P01143	114-150	Btkz2	S	27.2	17.9	1.3	0.50		37	1.37	0.063	2
98P01144	150-182	Btkz3	S	24.6	15.2	2.1	0.48		41	1.45	0.037	1
98P01145	182-200	B'tk	S	24.1	13.2	2.6	0.46		40	1.45	0.035	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			6A2e			4E1a1a1a1	5C1	5C3			8D1			8A3a	5D2
98P01138	0-15	Ap1	S	7.2			0.38				100*	87			0.75				7
98P01139	15-29	Ap2	S	8.7			0.45			tr	100*	100			0.72				19
98P01140	29-48	Btk1	S	8.5			0.30			1	100*	100			0.68			0.82	32
98P01141	48-72	Btk2	S	8.7			0.34			2	100*	100			0.66			4.26	34
98P01142	72-114	Btkz1	S	8.5			0.82			5	100*	100			0.63			7.72	41
98P01143	114-150	Btkz2	S	8.2			0.73			5	100*	100			0.63			11.50	33
98P01144	150-182	Btkz3	S	8.3			0.97			7	100*	100			0.63			11.15	34
98P01145	182-200	B'tk	S	8.4			1.58			9	100*	100			0.58			10.69	40

^*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	0.67	(NA)
Clay, carbonate free, Weighted Average	25	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	46	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	25	% wt
LE, Whole Soil, Summed to 1m	7	cm/m
Weighted averages based on control section: 29-79 cm