*** Taxonomy Characterization Data ***

Pedon ID: 91OK013001

( Bryan, Oklahoma )

Print Date: Mar 2 2025 8:49AM

Sampled as on Sep 16, 1991:	Durant ; Fine, montmorillonitic Udertic Argiustolls
Revised to correlated on Dec 6, 2015:	Durant ; Fine, smectitic, thermic Udertic Argiustolls

				United States Department of Agriculture
SSL	-	Project	CP92OK056   BRYAN COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991OK013001   Lat: 33° 53' 53.00" north  Long: 96° 13' 58.00" west  MLRA: 85	National Soil Survey Center
	-	Pedon No.	92P0256	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
92P01695	0-18	A	S	20.9	18.7		0.58		14	1.34	0.022	1
92P01696	18-32	BA	S	28.4	25.6		0.49		11	1.47	0.031
92P01697	32-59	Bt1	S	44.2	38.6		0.45		8	1.38	0.084
92P01698	59-82	Bt2	S	43.9	36.7		0.45		8	1.52	0.103
92P01699	82-103	Bt3	S	44.5	35.9		0.45		8	1.54	0.098
92P01700	103-132	Bt4	S	44.0	32.5		0.47		9	1.45	0.092
92P01701	132-162	Bt5	S	42.3	30.4		0.47		9	1.51	0.103
92P01702	162-195	2Btk	S	43.3	17.3		0.46		8	1.53	0.102

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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				6E1g	5C1	5C3			8D1				5D2
92P01695	0-18	A	S	6.4		2.07					88	74			0.95				1
92P01696	18-32	BA	S	6.0		1.38					80	66			0.77				2
92P01697	32-59	Bt1	S	5.8		0.75					76	68			0.69				3
92P01698	59-82	Bt2	S	5.8		0.50					89	78			0.72				5
92P01699	82-103	Bt3	S	6.8		0.34					98	89			0.76				6
92P01700	103-132	Bt4	S	7.3		0.29				--	100*	94			0.79				8
92P01701	132-162	Bt5	S	7.4		0.15				--	100*	95			0.78				9
92P01702	162-195	2Btk	S	8.0		0.07				1	100*	97			0.79				8

^*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	0.7	(NA)
Clay, carbonate free, Weighted Average	44	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	8	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	44	% wt
LE, Whole Soil, Summed to 1m	7	cm/m
Weighted averages based on control section: 32-82 cm