*** Taxonomy Characterization Data ***

Pedon ID: 91VI020005

( St. John, Virgin Islands )

Print Date: Nov 24 2024 11:32AM

Sampled as on Sep 6, 1991:	Solitude ; Fine-loamy, mixed, nonacid, isohyperthermic Aeric Tropaquept
Revised to correlated:	Solitude ; Fine-loamy, mixed, superactive, nonacid, isohyperthermic Aeric Tropic Fluvaquents

				United States Department of Agriculture
SSL	-	Project	CP91VI269   ST JOHN, VIRGIN ISLANDS	Natural Resources Conservation Service
	-	Site ID	S1991VI020005   Lat: 18° 19' 20.00" north  Long: 64° 43' 27.00" west  MLRA: 27	National Soil Survey Center
	-	Pedon No.	91P1193	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			7B1a2
91P07955	0-3	A1	S	12.5	7.1		0.47		58	1.51	0.011	15
91P07956	3-15	A2	S	13.6	8.0		0.50		62			18
91P07957	15-26	Bw1	S	16.0	9.4		0.49		62	1.71	0.012	22	99
91P07958	26-43	Bw2	S	17.4	12.0		0.47		53	1.71	0.017	13
91P07959	43-70	Bw3	S	19.9	13.2		0.46		56	1.56	0.014	17	99
91P07960	70-145	Bg1	S	24.6	16.6		0.44		51	1.65	0.034	19
91P07961	145-155	Bg2	S	18.5	12.4		0.49		61			19	98

¹ Analyzed size fraction = 0.02-0.05 mm

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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			8D1			8A3a	5D2
91P07955	0-3	A1	S	5.2		1.22		0.11	0.03		100*	80			0.82			6.75	9
91P07956	3-15	A2	S	6.0		0.79		0.08	0.03		100*	87			0.83			7.89	15
91P07957	15-26	Bw1	S	7.0		0.45		0.12	0.02		100*	88			0.72			7.50	19
91P07958	26-43	Bw2	S	7.3		0.35		0.12	0.02	--	100*	98			0.67			8.08	18
91P07959	43-70	Bw3	S	7.4		0.21		0.11	0.02	tr	100*	97			0.62			8.79	20
91P07960	70-145	Bg1	S	7.4		0.21		0.16	0.02	--	100*	97			0.58			12.50	21
91P07961	145-155	Bg2	S	7.2		0.44		0.12	0.02	--	100*	100			0.66			19.70	28

^*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	0.61	(NA)
Clay, carbonate free, Weighted Average	21	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	53	% wt
Volume, >2mm, Weighted Average	17	% vol
Clay, total, Weighted Average	21	% wt
Weighted averages based on control section: 25-100 cm