*** Taxonomy Characterization Data ***

Pedon ID: 91TX395002

( Robertson, Texas )

Print Date: Nov 21 2024 11:49AM

Sampled as on Oct 30, 1991:	Rader ; Fine-loamy, mixed Aquic Paleustalfs
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP92TX099   ROBERTSON COUNTY TEXAS	Natural Resources Conservation Service
	-	Site ID	S1991TX395002   Lat: 31° 1' 58.00" north  Long: 96° 37' 0.01" west  MLRA: 87	National Soil Survey Center
	-	Pedon No.	92P0388	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

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			7B1a2
92P02386	0-11	Ap	S	3.9	2.0		0.56		45	1.60	0.012
92P02387	11-23	A	S	4.7	2.4		0.38		45	1.33	--		92
92P02388	23-35	E1	S	5.7	3.1		0.32		42	1.60	--
92P02389	35-45	E2	S	8.2	4.7		0.43		43	1.59	--	1
92P02390	45-57	Bt/E	S	25.4	20.1		0.39		33	1.48	0.053	1	89
92P02391	57-80	Bt	S	43.2	38.2		0.38		23	1.57	0.060		92
92P02392	80-107	Btz1	S	33.5	28.2		0.45		25	1.69	0.063		92
92P02393	107-128	Btkz	S	30.6	24.7		0.45		28	1.62	0.060
92P02394	128-153	Btz2	S	31.6	24.8		0.45		24
92P02395	153-180	BC1	S	30.3	24.2		0.45		25	1.60	0.059		93
92P02396	180-270	BC2	S	25.5	20.6		0.49		30
92P02397	270-308	BC3	S	25.5	17.0		0.51		40
92P02398	308-414	2C1	S	12.7	6.6		0.65		56
92P02399	414-434	2C2	S	10.1	4.5		0.57		61			1	79

¹ Analyzed size fraction = 0.05-0.1 mm

---

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
92P02386	0-11	Ap	S	6.2		0.67		0.05	0.01		67	45			0.69				4
92P02387	11-23	A	S	5.6		0.21		0.03	tr		86	67			0.45				5
92P02388	23-35	E1	S	5.7		0.13		0.04	--		86	64			0.37				5
92P02389	35-45	E2	S	5.7		0.11		0.04	--		86	59			0.34				4
92P02390	45-57	Bt/E	S	5.8		0.27		0.10	0.01		83	64		8.9	0.41	0.35	3		6
92P02391	57-80	Bt	S	5.7		0.26		0.17	0.01		86	73		18.0	0.47	0.42	3		6
92P02392	80-107	Btz1	S	6.8		0.23		0.10	tr		100*	86			0.55				8
92P02393	107-128	Btkz	S	8.0		0.13		0.07	0.06	--	100*	100			0.57			0.87	8
92P02394	128-153	Btz2	S	8.0		0.09		0.05	0.02	--	100*	95			0.58			1.35	9
92P02395	153-180	BC1	S	7.9		0.06		0.07	0.02	--	100*	91			0.58			1.51	9
92P02396	180-270	BC2	S	7.9		0.04		0.05	0.02	--	100*	94			0.58			0.94	11
92P02397	270-308	BC3	S	7.5		0.05		0.06	0.03		100*	91			0.63			1.05	10
92P02398	308-414	2C1	S	7.2		0.03		0.04	0.03		100*	92			0.69				15
92P02399	414-434	2C2	S	7.2		0.05		0.02	0.03		100*	100			0.75				16
92P02400	434-440	2C3	S	7.3		0.05			0.02

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.48	(NA)
Clay, carbonate free, Weighted Average	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	26	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	36	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 45-95 cm