*** Taxonomy Characterization Data ***

Pedon ID: 91VI010003

( St. Croix, Virgin Islands )

Print Date: Apr 14 2025 4:16PM

Sampled as on Aug 1, 1991:	Cramer ; Lithic Haplustalf
Revised to correlated:	Southgate ; Loamy-skeletal, mixed, active, isohyperthermic Lithic Ustropepts

				United States Department of Agriculture
SSL	-	Project	RP91VI023   VIRGIN ISLAND	Natural Resources Conservation Service
	-	Site ID	S1991VI010003   Lat: 17° 45' 28.00" north  Long: 64° 34' 24.00" west  MLRA: 27	National Soil Survey Center
	-	Pedon No.	91P0070	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

8D1

91P00421

0-8

A

N

21.2

0.68

91P00422

8-20

Bt

N

28.7

0.42

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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

8D1

5D2

91P00421

0-8

A

N

6.8

3.61

1.05

17

91P00422

8-20

Bt

N

7.5

1.87

0.60

13

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.6	(NA)
Clay, carbonate free, Weighted Average	29	% wt
Clay, total, Weighted Average	29	% wt
Weighted averages based on control section: 8-20 cm