*** Taxonomy Characterization Data ***

Pedon ID: S12TX3391032

( Montgomery, Texas )

Print Date: Nov 21 2024 4:00PM

Sampled as on Jun 27, 2012:	Atasco ; Fine, smectitic, thermic Oxyaquic Hapludalfs
Revised to correlated on Jun 27, 2012:	Atasco ; Fine, smectitic, thermic Oxyaquic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	C2012USTX095   TX MLRA 152B	Natural Resources Conservation Service
	-	Site ID	S12TX3391032   Lat: 30° 8' 49.40" north  Long: 95° 10' 5.60" west  MLRA: 152B	National Soil Survey Center
	-	Pedon No.	12N8326	Kellogg 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						DbWR1
12N04963	0-15	A	S	4.5			0.98	5.0	41	1.52	0.015	2
12N04964	15-36	E	S	3.2			0.47		45	1.53	--	6
12N04965	36-54	Bt1	S	58.2			0.41		31	1.28	0.083	1
12N04966	54-83	Bt3	S	50.9			0.44		44	1.37	0.064	3
12N04967	83-123	Bt3	S	35.7			0.40		55	1.54	0.042	2
12N04968	123-179	Btg1	S	31.5			0.45		38			10
12N04969	179-203	Btg2	S	60.9			0.39		8			--

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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			4H2a		4G2									4F2
12N04963	0-15	A	S	4.5			2.39	0.07	0.06		30	16		2.9	1.24	0.64	41		1
12N04964	15-36	E	S	4.9			0.36	0.04	0.02		29	10		1.1	0.53	0.34	55		3
12N04965	36-54	Bt1	S	4.7			0.68	0.45	0.05		70	48		16.8	0.34	0.29	18		1
12N04966	54-83	Bt3	S	4.8			0.39	0.37	0.03		58	38		15.0	0.35	0.29	32		1
12N04967	83-123	Bt3	S	4.7			0.22	0.23	0.02		48	33		10.2	0.32	0.29	45		2
12N04968	123-179	Btg1	S	4.8			0.11	0.16	0.01		80	63		14.2	0.48	0.45	14		6
12N04969	179-203	Btg2	S	4.7			0.08	0.12	0.01		99	77		32.5	0.52	0.53	3	1.21	9

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Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	40	% wt
Volume, >2mm, Weighted Average	2	% vol
LE, Whole Soil, Summed to 1m	4	cm/m
Clay, total, Weighted Average	53	% wt
Clay, carbonate free, Weighted Average	53	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.34	(NA)
Weighted averages based on control section: 36-86 cm