*** Primary Characterization Data ***

Pedon ID: S1974AZ019008

( Pima, Arizona )

Print Date: Apr 24 2024 10:37PM

Sampled as on Dec 17, 1974:	Tres Hermanos
Revised to correlated:	SAHUARITA ; Coarse-loamy, mixed, thermic Typic Haplargids

				United States Department of Agriculture
SSL	-	Project	NL74AZ019   PIMA CO.,E. PART	Natural Resources Conservation Service
	-	Site ID	S1974AZ019008   Lat: 32° 5' 26.01" north  Long: 110° 51' 57.01" west	National Soil Survey Center
	-	Pedon No.	74C0179	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
74C01059	A	A1	0-3	741059				SL
74C01060	Bt1	B1t	3-8	741060				SL
74C01061	Bt21	B21t	8-26	741061				SL
74C01062	Bt22	B22t	26-43	741062				SCL
74C01063	Btk11	B23tca	43-72	741063				L
74C01064	Btk12	B24tca	72-114	741064				L
74C01065	Btk2	B3tca	114-147	741065				FSL
74C01066	2C	2 C	147-160	741066				CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	16	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	54	% wt
Volume, >2mm, Weighted Average	13	% vol
Clay, total, Weighted Average	21	% wt
Weighted averages based on control section: 8-58 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
74C01059	0-3	A	S	sl	12.2	22.7	65.1		2.0	9.2	13.5	14.5	18.7	9.4	10.8	11.7	8	10	1	60	19
74C01060	3-8	Bt1	S	sl	14.9	23.8	61.3		2.0	9.6	14.2	13.1	16.2	9.2	11.0	11.8	8	6	3	57	17
74C01061	8-26	Bt21	S	sl	17.1	24.0	58.9		3.0	10.0	14.0	12.9	15.6	8.0	11.1	11.3	9	4	--	53	13
74C01062	26-43	Bt22	S	scl	22.1	24.5	53.4		4.0	12.1	12.4	10.7	11.8	6.8	9.7	14.4	9	10	11	60	30
74C01063	43-72	Btk11	S	l	23.9	29.1	47.0		8.0	17.9	11.2	8.4	9.6	6.4	10.3	12.3	8	8	3	50	19
74C01064	72-114	Btk12	S	l	22.8	33.7	43.5		8.0	23.0	10.7	7.5	8.8	5.7	9.1	12.4	10	6	tr	46	16
74C01065	114-147	Btk2	S	fsl	17.1	20.9	62.0		4.0	12.1	8.8	12.9	20.7	9.6	9.8	9.0	6	4	5	57	15
74C01066	147-160	2C	S	cl	27.7	31.8	40.5		2.0	16.7	15.1	16.7	11.0	4.3	4.9	3.6	1	1	--	25	2

*** Primary Characterization Data ***

Pedon ID: S1974AZ019008

( Pima, Arizona )

Print Date: Apr 24 2024 10:37PM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0179

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				4A1d	4A1h			4B1c	4B1c	3C2a1a		3D1		4C1		8D1	8D1
74C01059	0-3	A	S	1.56	1.61	0.009		20.6	15.4	4.6		1.009		0.15		0.70	0.38
74C01060	3-8	Bt1	S							5.1		1.021				0.60	0.34
74C01061	8-26	Bt21	S	1.46	1.50	0.008		21.7	16.4	5.1		1.021		0.15		0.61	0.30
74C01062	26-43	Bt22	S							7.0		1.021				0.52	0.32
74C01063	43-72	Btk11	S							7.9		1.021				0.36	0.33
74C01064	72-114	Btk12	S	1.48	1.58	0.020		23.5	19.1	7.6		1.021		0.15		0.32	0.33
74C01065	114-147	Btk2	S							5.8		1.021				0.44	0.34
74C01066	147-160	2C	S							10.9		1.021				0.58	0.39

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
74C01061	8-26	Bt21	S	18.62399	5

---

Carbon  &  Extractions

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

(- - - - - Total - - - - -)

Est

OC

C/N

(- - - Dith-Cit Ext - - -)

(- - - - - - Ammonium Oxalate Extraction - - - - - -)

(- - - Na Pyro-Phosphate - - -)

Depth

C

N

S

OC

(WB)

Ratio

Fe

Al

Mn

Al+½Fe

ODOE

Fe

Al

Si

Mn

C

Fe

Al

Mn

Layer

(cm)

Horz

Prep

(- - - - - - - - - - % of <2 mm - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)

mg kg-1

(- - - - - - % of < 2mm - - - - -)

6B3a

6A1c

6C2b

6G7a

74C01059

0-3

A

S

0.042

0.32

8

0.4

tr

74C01060

3-8

Bt1

S

0.038

0.31

8

0.4

tr

74C01061

8-26

Bt21

S

0.039

0.30

8

0.3

tr

74C01062

26-43

Bt22

S

0.041

0.39

10

0.4

tr

74C01063

43-72

Btk11

S

0.3

tr

74C01064

72-114

Btk12

S

0.2

tr

74C01065

114-147

Btk2

S

0.3

tr

74C01066

147-160

2C

S

0.4

tr

*** Primary Characterization Data ***

Pedon ID: S1974AZ019008

( Pima, Arizona )

Print Date: Apr 24 2024 10:37PM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0179

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b						5A8b			5C3	5C1
74C01059	0-3	A	S	23.5*	1.3	tr	0.9						8.6			100	100
74C01060	3-8	Bt1	S	27.9*	1.2	0.1	0.7						8.9			100	100
74C01061	8-26	Bt21	S	32.6*	1.1	0.3	0.4						10.5			100	100
74C01062	26-43	Bt22	S	48.5*	1.3	1.4	0.3						11.6			100	100
74C01063	43-72	Btk11	S	24.5*	1.4	1.3	0.2						8.6			100	100
74C01064	72-114	Btk12	S	19.5*	2.1	2.3	0.2						7.2			100	100
74C01065	114-147	Btk2	S	28.7*	3.7	0.4	0.3						7.5			100	100
74C01066	147-160	2C	S	19.9*	10.8	2.1	0.7						16.1			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1b	6O1b	6P1b	6Q1b		6J1b		6K1c				6L1c			8A	8D5	8A3a			5E
74C01059	0-3	A	S																			--
74C01060	3-8	Bt1	S	9.8	0.9	0.6	0.3		2.9		7.7							26.5	tr	1.34		1	tr
74C01061	8-26	Bt21	S	33.1	4.3	3.4	0.2		2.3		38.1							36.2	0.1	4.39		2	1
74C01062	26-43	Bt22	S	16.8	2.3	12.7	0.2		2.2		23.6				9.7			40.2	0.1	3.45		8	4
74C01063	43-72	Btk11	S																			15
74C01064	72-114	Btk12	S																			32
74C01065	114-147	Btk2	S																			5
74C01066	147-160	2C	S	0.6		4.4	0.1		5.3		0.2							55.7	tr	0.54		12	8

*** Primary Characterization Data ***

Pedon ID: S1974AZ019008

( Pima, Arizona )

Print Date: Apr 24 2024 10:37PM

Sampled As	:	Tres Hermanos
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  74C0179

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					4C1a2a	4C1a2a	8C1b			6E1g	6E4
74C01059	0-3	A	S		7.9	8.5				5
74C01060	3-8	Bt1	S		7.8	8.4	7.7			8
74C01061	8-26	Bt21	S		7.8	8.0	7.4			9
74C01062	26-43	Bt22	S		7.8	8.2	7.5			12
74C01063	43-72	Btk11	S		7.9	8.6				25	23
74C01064	72-114	Btk12	S		8.2	9.1				31	27
74C01065	114-147	Btk2	S		7.9	8.4				17
74C01066	147-160	2C	S		8.0	8.5	8.2			17

---

Miscellaneous Data

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

(- Sat Paste Ex. -)

(- Sand -)

( Water Content )

Bulk

(- - - - Extractable Bases - - - -)

(- - - CEC8 - - -)

CO3+

(- - - pH - - -)

M+C+VC

Moist Sieved

Density

Depth

Ca

Mg

Na

K

NaOAC

BaCl2

Ca+Mg

HCO3

CaCl2

H2O

.25-2

100 kPa

200 kPa

10 kPa

Layer

(cm)

Horz

Prep

(- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -)

mmol(+)L-1

mmol(-)L-1

1:10

1:10

(- - - - - % of <2mm - - - - -)

g cm-3

NK

74C01060

3-8

Bt1

S

8.9

74C01061

8-26

Bt21

S

8.6

74C01062

26-43

Bt22

S

8.7

74C01066

147-160

2C

S

9.4