*** Taxonomy Characterization Data ***

Pedon ID: 91TX395003

( Robertson, Texas )

Print Date: Nov 21 2024 12:49PM

Sampled as on Oct 30, 1991:	Edge ; Fine, mixed Udic Paleustalfs
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP92TX099   ROBERTSON COUNTY TEXAS	Natural Resources Conservation Service
	-	Site ID	S1991TX395003   Lat: 31° 1' 58.00" north  Long: 96° 37' 0.01" west  MLRA: 87	National Soil Survey Center
	-	Pedon No.	92P0389	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
92P02401	0-5	A	S	6.3	5.4		0.98		48	1.27	0.008	1
92P02402	5-12	E	S	5.9	4.3		0.53		50	1.50	0.007	2
92P02403	12-26	Bt1	S	45.9	39.4		0.40		19	1.37	0.083
92P02404	26-37	Bt2	S	32.8	26.4		0.42		25	1.42	0.090
92P02405	37-52	Btz1	S	34.7	21.6		0.46		16	1.48	0.073
92P02406	52-66	Btz2	S	29.7	14.6		0.53		17	1.42	0.084
92P02407	66-82	Btkz1	S	29.5	14.5		0.46		20	1.49	0.039	1
92P02408	82-110	Btkz2	S	30.2	12.6		0.49		20	1.44	0.048
92P02409	110-132	Bk1	S	21.2	10.8		0.62		37	1.57	0.004
92P02410	132-169	Bk2	S	28.3	10.9		0.49		8	1.39	0.046
92P02411	169-210	C	S	23.5	9.1		0.43		26	1.41	0.016

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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			8J	6E1g	5C1	5C3		5A3b	8D1		5G1	8A3a	5D2
92P02401	0-5	A	S	5.7		2.05		0.04	0.03		100*	74			1.27			0.74	1
92P02402	5-12	E	S	6.0		0.58		0.03	0.03		76	87			0.86				--
92P02403	12-26	Bt1	S	4.8		0.53		0.19	0.03		82	70		22.2	0.55	0.48	6	0.63	3
92P02404	26-37	Bt2	S	4.6		0.28		0.10	0.04		89	72		18.3	0.59	0.56	6	1.10	5
92P02405	37-52	Btz1	S	5.0		0.30		0.09	0.03		97	83		26.4	0.77	0.76	2	1.24	5
92P02406	52-66	Btz2	S	6.6		0.33		0.05	0.03		100*	90			0.88			1.43	6
92P02407	66-82	Btkz1	S	7.6		0.18		0.05	0.02	1	100*	100			0.76			1.25	6
92P02408	82-110	Btkz2	S	8.0		0.05		0.05	0.02	tr	100*	100			0.77			1.02	6
92P02409	110-132	Bk1	S	8.0		0.07		0.03	0.02	--	100*	100			0.75			0.91	7
92P02410	132-169	Bk2	S	8.0		0.05		0.04	0.02	--	100*	100			0.84			1.16	7
92P02411	169-210	C	S	7.9		0.07		0.04	0.02	tr	100*	97			0.75			1.70	10

^*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	0.69	(NA)
Clay, carbonate free, Weighted Average	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	19	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	36	% wt
LE, Whole Soil, Summed to 1m	6	cm/m
Weighted averages based on control section: 12-62 cm