*** Taxonomy Characterization Data ***

Pedon ID: S2017AZ019024

( Pima, Arizona )

Print Date: Dec 5 2025 11:04PM

Sampled as on Dec 5, 2017:	Baboquivari ; Fine-loamy, mixed, superactive, thermic Ustic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2018USAZ074   Site_C NEON_8_SRER	Natural Resources Conservation Service
	-	Site ID	S2017AZ019024   Lat: 31° 48' 49.10" north  Long: 110° 48' 24.30" west  MLRA: 41	National Soil Survey Center
	-	Pedon No.	18N0744	Kellogg 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

18N04462

0-5

A

S

7.2

73

2

18N04463

5-20

Bt1

S

10.1

69

6

18N04464

20-36

Bt2

S

12.4

70

1

18N04465

36-102

2Bt

S

19.7

55

5

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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			4H2a		4G4	4E1a1a1a1
18N04462	0-5	A	S	6.7			0.62	0.05	0.02		95	65			0.58				--
18N04463	5-20	Bt1	S	6.7			0.34	0.05	0.02		98	65			0.47				--
18N04464	20-36	Bt2	S	7.1			0.24	0.07	0.02		100*	73			0.51				--
18N04465	36-102	2Bt	S	7.7			0.11	0.08	0.03	--	100*	83			0.50				1

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

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Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	64	% wt
Volume, >2mm, Weighted Average	4	% vol
Clay, carbonate free, set 2, Weighted Average	15	% wt
Clay, total, set 2, Weighted Average	15	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 6	0.49	(NA)
Weighted averages based on control section: 5-55 cm