*** Taxonomy Characterization Data ***

Pedon ID: S1995IA051001

( Davis, Iowa )

Print Date: Nov 21 2024 12:57PM

Sampled as on Aug 13, 1995:	KESWICK ; Fine, montmorillonitic Aquertic Chromic Hapludalfs
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP95IA237   SOUTHEAST IOWA	Natural Resources Conservation Service
	-	Site ID	S1995IA051001   Lat: 40° 51' 52.07" north  Long: 92° 37' 6.65" west  MLRA: 109	National Soil Survey Center
	-	Pedon No.	95P0836	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	3A1a1a	8D1			4A1d			7B1a2
95P05342	0-8	A	S	19.0	9.8		0.82		15	1.22	0.073	tr	78
95P05343	8-18	E1	S	17.7	8.6		0.49		18	1.44	0.025	tr	81
95P05344	18-28	E2	S	16.9	7.6		0.43		21	1.56	0.015	tr	78
95P05345	28-46	2Bt1	S	30.0	17.1		0.37		29	1.61	0.025	5	83
95P05346	46-58	2Bt2	S	50.9	37.8		0.39		26	1.35	0.082	2	85
95P05347	58-81	2Bt3	S	45.0	31.9		0.41		24	1.40	0.228	3085	85
95P05348	81-109	2Bt4	S	36.2	22.9		0.43		34	1.64	0.042	5	91
95P05349	109-132	2Bt5	S	32.0	17.5		0.45		30	1.74	0.033	2	85
95P05350	132-155	2Bt6	S	30.0	15.7		0.47		31	1.68	0.041	2	89
95P05351	155-170	2BC	S	28.5	14.6		0.46		39	1.71	0.029	9	88
95P05352	170-196	2C1	S	27.8	11.5	0.7	0.47		32	1.81	0.022	4	72
95P05353	196-239	2C2	S	25.5	11.7	2.1	0.48		35	1.81	0.027	6	67

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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			8J	6E1g	5C1	5C3		5A3b	8D1		5G1		5D2
95P05342	0-8	A	S	7.1		4.95		0.18	0.05		100*	89			1.46				1
95P05343	8-18	E1	S	6.3		1.16		0.22	0.04		88	75			0.77				1
95P05344	18-28	E2	S	5.7		0.53		0.23	0.05		66	59		7.5	0.64	0.44	4		2
95P05345	28-46	2Bt1	S	4.9		0.37		0.31	0.04		56	47		13.3	0.56	0.44	29		2
95P05346	46-58	2Bt2	S	4.8		0.50		0.49	0.04		52	45		24.4	0.61	0.48	34		1
95P05347	58-81	2Bt3	S	4.9		0.30		0.35	0.04		59	52		21.7	0.60	0.48	26		1
95P05348	81-109	2Bt4	S	5.2		0.20		0.34	0.05		72	67		19.2	0.66	0.53	10		3
95P05349	109-132	2Bt5	S	5.8		0.13		0.16	0.03		91	79		17.2	0.58	0.54	2		3
95P05350	132-155	2Bt6	S	6.6		0.11		0.11	0.03		100*	86			0.54				4
95P05351	155-170	2BC	S	7.9		0.10		0.07	0.02	1	100*	100			0.50				3
95P05352	170-196	2C1	S	8.2		0.06		0.06	0.02	8	100*	100			0.45				2
95P05353	196-239	2C2	S	7.9		0.09		0.11	0.03	11	100*	100			0.42				4

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

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.59	(NA)
Clay, carbonate free, Weighted Average	41	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	26	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	41	% wt
LE, Whole Soil, Summed to 1m	9	cm/m
Weighted averages based on control section: 28-78 cm