IDENTIFIERS
Current Taxon Name (Soil Name):
Amarillo
OSD
Series Extent
User Site ID:
S1990TX227001
User Pedon ID:
90TX227001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
91P0361
NCSS Pedon Lab Data NASIS Record ID -
63407
Print Date:
4/28/2025
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:
32.2730560
Std. Longitude:
-101.4861145
Datum:
WGS84
Location Description:
From the north exit gate of the ARS station; 1,191 feet north on field road; then 90 feet west in validation field
State:
Texas
County:
TX227—Howard
MLRA:
77C—Southern High Plains, Southern Part
PEDON
Describers Name:
Risinger, Zobeck, Blackstock, Williamson
Current Taxonomic Class:
Fine-loamy, mixed, superactive, thermic Typic Paleustalfs
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
1
Correlated Information:
Soil Name -
Amarillo
PSC -
36 to 86 cm.
Classificaton Date -
7/11/2007
Moisture Class -
ustic
Sampled As Information:
Soil Name -
Amarillo
Taxonomic Class -
Fine-loamy, mixed, thermic Aridic Paleustalf
Taxon Kind -
series
Classificaton Date -
12/1/1990
Moisture Class -
ustic
Moisture SUBClass -
aridic (torric)
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Anthropogenic Feature:
leveled land
Runoff:
low
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
12/1/1990 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
other
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
argillic horizon
calcic horizon
36—119
89—203
—-
—-
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
0
—
—
761
—
46
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap1—0 to 13 centimeters (0.0 to 5.1 inches);, dark brown (7.5YR 3/4) crushed, moist; fine sandy loam; massive; slightly hard, very friable; 2.5 very fine and fine roots throughout; 0.5 fine tubular pores; fragments; clear smooth boundary. Lab sample # 91P02062. common very fine and fine roots throughout
Ap2—13 to 36 centimeters (5.1 to 14.2 inches);, reddish brown (5YR 4/3) crushed, moist; fine sandy loam; weak coarse prismatic, and weak medium subangular blocky structure; slightly hard, very friable; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 0.5 medium tubular pores; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 91P02063. few medium roots throughout; common very fine and fine roots throughout
Bt1—36 to 51 centimeters (14.2 to 20.1 inches);, reddish brown (5YR 4/4) crushed, moist; sandy clay loam; moderate coarse prismatic, and moderate fine and medium subangular blocky structure; very hard, friable; 0.5 very fine roots throughout; 2.5 fine and medium tubular pores; , moist, clay films on faces of peds and in pores; 1 percent carbonate threads and 11 percent worm casts; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 91P02064. common worm casts concentrations; few carbonate threads concentrations; few very fine roots throughout; continuous - phpvsfiid 226554; continuous - phpvsfiid 226554
Bt2—51 to 71 centimeters (20.1 to 28.0 inches);, yellowish red (5YR 4/6) crushed, moist; sandy clay loam; moderate coarse prismatic, and moderate fine and medium subangular blocky structure; very hard, friable; 0.5 very fine roots throughout; 2.5 very fine and fine tubular pores; , moist, clay films on faces of peds and in pores; 11 percent worm casts and 1 percent carbonate threads; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 91P02065. common worm casts concentrations; few carbonate threads concentrations; few very fine roots throughout; continuous - phpvsfiid 226555; continuous - phpvsfiid 226555
Bt3—71 to 89 centimeters (28.0 to 35.0 inches);, yellowish red (5YR 4/6) crushed, moist; sandy clay loam; moderate coarse prismatic, and moderate fine and medium subangular blocky structure; very hard, friable; 0.5 very fine roots throughout; 2.5 very fine and fine tubular pores; , moist, clay films on faces of peds and in pores; 11 percent worm casts and 11 percent carbonate threads; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # 91P02066. common worm casts concentrations; common carbonate threads concentrations; few very fine roots throughout; continuous - phpvsfiid 226556; continuous - phpvsfiid 226556
Btk1—89 to 119 centimeters (35.0 to 46.9 inches);, 30 percent reddish brown (5YR 5/4) crushed and 70 percent pink (7.5YR 7/4) crushed, moist; sandy clay loam; weak coarse prismatic, and weak fine and medium subangular blocky structure; hard, friable; , moist, clay films on faces of peds; 30 percent carbonate masses and 11 percent carbonate concretions; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 91P02067. many soft masses of carbonate concentrations; common carbonate concretions concentrations; patchy - phpvsfiid 226557; patchy - phpvsfiid 226557
Btk2—119 to 155 centimeters (46.9 to 61.0 inches);, light reddish brown (5YR 6/4) crushed, moist; sandy clay loam; weak coarse prismatic, and weak fine and medium subangular blocky structure; hard, friable; 30 percent carbonate masses and 11 percent carbonate concretions; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 91P02068. many soft masses of carbonate concentrations; common carbonate concretions concentrations
Btk3—155 to 203 centimeters (61.0 to 79.9 inches);, reddish yellow (5YR 6/6) crushed, moist; sandy clay loam; weak coarse prismatic, and weak fine and medium subangular blocky structure; hard, friable; 30 percent carbonate masses and 1 percent carbonate concretions; fragments; violent effervescence, by hcl, 1n. Lab sample # 91P02069. many soft masses of carbonate concentrations; few carbonate concretions concentrations