*** Taxonomy Characterization Data ***

Pedon ID: 91IL027003

( Clinton, Illinois )

Print Date: Dec 9 2025 8:47AM

Sampled as :	Darmstadt-Hoylton
Revised to correlated on Mar 1, 2000:	Darmstadt ; Fine-silty, mixed, superactive, mesic Albic Natraqualf

				United States Department of Agriculture
SSL	-	Project	RP91IL140   CLINTON COUNTY-SODIUM SOILS STUDY	Natural Resources Conservation Service
	-	Site ID	91IL027003	National Soil Survey Center
	-	Pedon No.	91P0579	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

91P03250

0-22

Ap

N

13.2

0.55

91P03251

22-50

E

N

16.5

0.50

91P03252

50-85

Bt1

N

39.1

0.51

91P03253

85-150

Bt2

N

22.2

0.56

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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				6E1g					8D1			8A3a	5D2
91P03250	0-22	Ap	N	6.6		1.08									0.78				2
91P03251	22-50	E	N	4.9		0.42									0.57	0.36			3
91P03252	50-85	Bt1	N	5.3		0.40									0.61	0.53		0.56	16
91P03253	85-150	Bt2	N	8.1		0.10				--					0.78			1.25	22

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.66	(NA)
Clay, carbonate free, Weighted Average	34	% wt
Clay, total, Weighted Average	34	% wt
Weighted averages based on control section: 50-100 cm