*** Taxonomy Characterization Data ***

Pedon ID: S2019IA017501

( Bremer, Iowa )

Print Date: Dec 8 2025 1:41PM

Sampled as on Nov 20, 2019:	Marquis ; Fine-loamy, mixed, superactive, mesic Oxyaquic Hapludoll
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2020USIA061   DSP MLRA 104 Loamy Upland Prairie Soil in the Cropland State	Natural Resources Conservation Service
	-	Site ID	S2019IA017501   Lat: 42° 38' 56.48" north  Long: 92° 24' 33.71" west  MLRA: 104	National Soil Survey Center
	-	Pedon No.	20N0557	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		3A1a1a
20N02488	0-19	Ap	S	18.4			0.44		36			tr
20N02489	19-36	A	S	23.4			0.41		33			--
20N02490	36-58	BA	S	23.3			0.42		38			1
20N02491	58-104	Bw1	S	17.8			0.32		57			2
20N02492	104-140	2Bw2	S	21.8			0.42		41			2
20N02493	140-180	2BC1	S	21.2		1.2	0.43		36			2
20N02494	180-200	2BC2	S	20.3		1.2	0.44		37			2

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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			4E1a1a1a1								4F2
20N02488	0-19	Ap	S	6.5			1.73				100*	69			0.71			0.75	--
20N02489	19-36	A	S	6.0			1.61				80	59			0.66				--
20N02490	36-58	BA	S	6.2			0.96				94	66			0.57			0.97	1
20N02491	58-104	Bw1	S	6.2			0.32				89	72			0.52				tr
20N02492	104-140	2Bw2	S	7.4			0.12			1	81	83			0.64				--
20N02493	140-180	2BC1	S	8.2			1.55			12	100*				0.48				--
20N02494	180-200	2BC2	S	8.3			1.70			14	100*				0.48				--

^*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	48	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, carbonate free, set 2, Weighted Average	20	% wt
Clay, total, set 2, Weighted Average	20	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 8	0.56	(NA)
Weighted averages based on control section: 25-100 cm