*** Taxonomy Characterization Data ***

Pedon ID: S1970TX471004

( Walker, Texas )

Print Date: Nov 12 2024 9:31AM

Sampled as on Dec 1, 1970:	AROL
Revised to correlated:	Arol ; Fine, smectitic, thermic Typic Albaqualfs

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1970TX471004   Lat: 30° 44' 51.00" north  Long: 95° 43' 15.00" west  MLRA: 87A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A4605	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

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					NK
40A35090	0-13	Apg	S	6.0	2.2		0.47		51			--
40A35091	13-32	Ag	S	8.6	6.2		0.42		41			--
40A35093	33-58	Btg1	S	45.4	38.5		0.48		21	1.30	0.143	--
40A35094	58-81	Btg2	S	37.3	26.5		0.54		20	1.44	0.093	--
40A35095	81-114	Bg	S	29.8	11.7		0.62		27			--
40A35096	114-150	C1	S	9.4	3.1		1.47		31			--
40A35097	150-203	C2	S	14.6	4.3		0.78		48	1.33	0.015	--

---

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	%
				NK		NK				NK								NK	5D2
40A35090	0-13	Apg	S	5.3		0.90					72	57		4.2	0.95	0.70	2		2
40A35091	13-32	Ag	S	5.4		0.63					73	58		4.9	0.77	0.57	2		2
40A35093	33-58	Btg1	S	5.5		0.60					94	84		35.1	0.82	0.77	tr		6
40A35094	58-81	Btg2	S	6.9		0.31					100*	95			0.90				9
40A35095	81-114	Bg	S	7.8		0.15				--	100*	100			1.00			1.27	8
40A35096	114-150	C1	S	7.7		0.03				--	96	100			2.53				10
40A35097	150-203	C2	S	6.8		0.01					98	91			1.55				8

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.86	(NA)
Clay, carbonate free, Weighted Average	41	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	21	% wt
Clay, total, Weighted Average	41	% wt
Weighted averages based on control section: 33-83 cm