IDENTIFIERS

Current Taxon Name (Soil Name): Rotan

OSD

Series Extent

User Site ID: S2009TX441104

User Pedon ID: S09TX441104

Vegetation Plot ID: S09TX441-104

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - TAMU

Lab Pedon # - S09TX441104

NCSS Pedon Lab Data NASIS Record ID - 45611

Print Date: 11/21/2024

LOCATION

Location In Web Soil Survey

AOI is roughly a square mile and pedon is marked in the center.

Location in SoilWeb

Location in Google Maps

Std. Latitude: 32.4165878

Std. Longitude: -99.6317291

Datum: WGS84

State: Texas

County: TX441—Taylor

MLRA: 78A—Rolling Limestone Prairie

Non-MLRA Soil Survey Area: TX441—Taylor County, Texas

7.5 Minute USGS Quad: 32099-D6—Abilene East, Texas

PEDON

Describers Name: 78 Staff

Current Taxonomic Class: Fine, mixed, superactive, thermic Typic Argiustolls

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Rotan

PSC - 30 to 80 cm.

Classificaton Date - 6/30/2015

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Rotan

Taxonomic Class - Fine, mixed, superactive, thermic Typic Argiustolls

Taxon Kind - taxadjunct

PSC - 30 to 80 cm.

Classificaton Date - 1/13/2009

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 3

QA Status: level 3

SITE

Parent Material: residuum weathered from limestone

Landform: ridge

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: linear

Drainage Class: well

Geology: Qu formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/13/2009 (actual site observation date)

Air Photo ID:

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Yield Study ID -

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
Ap1 Ap2 Bt1 Bt2 Bk1 Bk2 Btk1 Btk2 Btk3 BC C	0 13 30 73 93 110 128 152 187 244 279	13 30 73 93 110 128 152 187 244 279 330	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	7.7 7.9 8 8.1 8.3 8.2 8.3 8.4 8.4 8.6 8.6

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
Ap1 Ap2 Bt1 Bt2 Bk1 Bk2 Btk1 Btk2 Btk3 BC C	0 13 30 73 93 110 128 152 187 244 279	13 30 73 93 110 128 152 187 244 279 330	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —		— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
Ap1 Ap2 Bt1 Bt2 Bk1 Bk2 Btk1 Btk2 Btk3 BC C	0 13 30 73 93 110 128 152 187 244 279	13 30 73 93 110 128 152 187 244 279 330	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ANDRO2 PACO2 PRGL2 TRAL2	Andropogon Panicum coloratum Prosopis glandulosa Tridens albescens	bluestem kleingrass honey mesquite white tridens	— — — —	— — — —	— — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon secondary carbonates calcic horizon	0—30 30—93 93—244 110—187	—30— —63— —151— —77—

Setting and Climate
Slope	Slope Length USLE	Upslope Length	Elev.	Corr. Elev	Aspect	MAP	REAP	FFD	MAAT	MSAT	MWAT	MAST	MSST	MWST	MFFP	PE Index	Climate Station ID	Climate Station Name	Climate Station Type
%	m				degrees	mm	mm		C						mm
1	—	—	552	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay loam; 48 percent clay; strong medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; 4.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 very fine moderate-continuity vesicular pores; 3 percent by volume limestone, unspecified fragments; very slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # TAMU7492; observed in push tube

Ap2—13 to 30 centimeters (5.1 to 11.8 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay; 41 percent clay; moderate medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 2 percent by volume quartzite fragments and 2 percent by volume limestone, unspecified fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # TAMU7493; observed in push tube

Bt1—30 to 73 centimeters (11.8 to 28.7 inches); brown (7.5YR 4/3), brown (7.5YR 4/3), moist; clay; 42 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; moderately hard, friable, very sticky, very plastic; 1.0 very fine roots throughout and 2.0 fine roots throughout; 15 percent distinct clay films on vertical faces of peds; 3 percent by volume limestone, unspecified fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # TAMU7494; observed in push tube. discontinuous - phpvsfiid 444722; discontinuous - phpvsfiid 444722

Bt2—73 to 93 centimeters (28.7 to 36.6 inches); brown (7.5YR 4/3), brown (7.5YR 4/3), moist; clay; 45 percent clay; strong medium prismatic parts to strong medium angular blocky structure; hard, firm, very sticky, very plastic; 3.0 very fine roots throughout; 2.0 very fine moderate-continuity vesicular pores; 15 percent distinct clay films on vertical faces of peds; 3 percent by volume quartzite fragments; very slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU7495; observed in push tube. discontinuous - phpvsfiid 444721; discontinuous - phpvsfiid 444721

Bk1—93 to 110 centimeters (36.6 to 43.3 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; silty clay; 45 percent clay; weak coarse subangular blocky structure; slightly hard, very friable, very sticky, very plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine moderate-continuity vesicular pores; 10 percent medium distinct irregular noncoherent cemented carbonate masses with clear boundaries throughout; 1 percent by volume quartzite fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU7496; observed in push tube

Bk2—110 to 128 centimeters (43.3 to 50.4 inches); reddish yellow (7.5YR 7/6), reddish yellow (7.5YR 7/8), moist; silty clay loam; 38 percent clay; weak medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 1.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 15 percent fine distinct noncoherent cemented carbonate, finely disseminated with sharp boundaries throughout and 10 percent medium distinct irregular noncoherent cemented carbonate masses with sharp boundaries throughout; 4 percent by volume limestone, unspecified fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU7497; observed in push tube

Btk1—128 to 152 centimeters (50.4 to 59.8 inches); 70 percent reddish yellow (5YR 6/8) and 30 percent reddish brown (5YR 4/3), 70 percent reddish yellow (5YR 6/6) and 30 percent dark reddish brown (5YR 3/3), moist; silty clay loam; 38 percent clay; weak coarse subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 2.0 very fine roots throughout; 13 percent distinct clay films on vertical faces of peds; 16 percent medium distinct irregular noncoherent cemented carbonate masses with sharp boundaries throughout; 5 percent by volume limestone, unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # TAMU7498; observed in push tube. discontinuous - phpvsfiid 444720; discontinuous - phpvsfiid 444720

Btk2—152 to 187 centimeters (59.8 to 73.6 inches); reddish yellow (5YR 6/8), reddish yellow (5YR 6/6), moist; silty clay loam; 36 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 2.0 very fine moderate-continuity vesicular pores; 10 percent distinct clay films on vertical faces of peds; 16 percent medium distinct irregular noncoherent cemented carbonate masses with sharp boundaries throughout; 2 percent by volume limestone, unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # TAMU7499; observed in push tube. discontinuous - phpvsfiid 444719; discontinuous - phpvsfiid 444719

Btk3—187 to 244 centimeters (73.6 to 96.1 inches); yellowish red (5YR 5/8), yellowish red (5YR 5/6), moist; silty clay loam; 48 percent clay; weak medium subangular blocky structure; hard, friable, very sticky, very plastic; 2.0 very fine moderate-continuity vesicular pores; 10 percent distinct clay films on vertical faces of peds; 7 percent fine distinct irregular noncoherent cemented carbonate masses with clear boundaries throughout; 3 percent by volume limestone, unspecified fragments and 3 percent by volume quartzite fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # TAMU7500; observed in push tube. discontinuous - phpvsfiid 444718; discontinuous - phpvsfiid 444718

BC—244 to 279 centimeters (96.1 to 109.8 inches); yellowish red (5YR 5/8), yellowish red (5YR 5/6), moist; silty clay loam; 50 percent clay; weak medium angular blocky structure; hard, friable, very sticky, very plastic; 2.0 very fine moderate-continuity vesicular pores; 3 percent by volume limestone, unspecified fragments and 3 percent by volume quartzite fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU7502; observed in push tube

C—279 to 330 centimeters (109.8 to 129.9 inches); 50 percent reddish yellow (7.5YR 7/6) and 45 percent reddish yellow (5YR 7/6) and 5 percent greenish gray (5GY 6/1), 50 percent reddish yellow (7.5YR 6/6) and 45 percent reddish yellow (5YR 6/6) and 5 percent greenish gray (5GY 6/1), moist; silty clay loam; 50 percent clay; structureless massive; very hard, firm, very sticky, very plastic; 5 percent by volume limestone, unspecified fragments; strong effervescence, by hcl, 1n. Lab sample # TAMU7503; observed in push tube