IDENTIFIERS
Current Taxon Name (Soil Name):
Woodburn
OSD
Series Extent
User Site ID:
S2012OR003001
User Pedon ID:
S2012OR003001
User Site Association ID:
PMC cover crop study
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
SSL
Lab Pedon # -
13N0379
NCSS Pedon Lab Data NASIS Record ID -
71249
Print Date:
4/25/2025
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:
44.6259840
Std. Longitude:
-123.2156290
Datum:
WGS84
Map Unit:
169—Willamette silt loam, 0 to 3 percent slopes
State:
Oregon
County:
OR003—Benton
MLRA:
2—Willamette and Puget Sound Valleys
Regional Office:
1—Portland, OR
MLRA Soil Survey Area:
NW-SAL—Salem, Oregon
Non-MLRA Soil Survey Area:
OR003—Benton County, Oregon
PEDON
Describers Name:
Dave Johnson
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Aquultic Argixerolls
Current Taxon Kind:
series
Pedon Type:
not classified to current taxon name
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Woodburn
Taxonomic Class -
Fine-silty, mixed, superactive, mesic Aquultic Argixerolls
Taxon Kind -
series
PSC -
50 to 100 cm.
Classificaton Date -
10/16/2012
Classifier -
Ron Raney
Soil Taxonomic Edition -
eleventh edition
Moisture SUBClass -
xeric
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Pedon Vegetation and Crop Cover Information:
Agronomic Feature -
alleyway with cover
Current Crop -
grass-clover
Residue Description -
grass strip between road and field
Hydric:
no
SITE
Landform:
broad valley terrace
Geomorphic Component Terraces:
tread
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/19/2012 (actual site observation date)
Data Collector:
Dave Johnson
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
other grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Current Weather -
sunny
Current Air Temp -
29
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
aquic conditions
0—50
50—160
82—160
—50—
—110—
—78—
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
—
—
—
69
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap1—0 to 10 centimeters (0.0 to 3.9 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 22 percent clay; moderate fine subangular blocky, and moderate very fine subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (15.0) very fine roots throughout and common (1.0) medium roots throughout and common (2.0) fine roots throughout; many (20.0) very fine interstitial and common (1.0) medium interstitial and common (1.0) fine interstitial pores; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method; abrupt smooth boundary. Lab sample # 13N01603; slightly moist when described; observed in trench
Ap2—10 to 25 centimeters (3.9 to 9.8 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 23 percent clay; moderate fine subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (10.0) very fine roots throughout and common (1.0) medium roots throughout and few (0.5) fine roots throughout; common (15.0) very fine interstitial and common (1.0) medium interstitial and common (1.0) fine interstitial pores; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method; clear smooth boundary. Lab sample # 13N01604; slightly moist when described; observed in trench
AB—25 to 50 centimeters (9.8 to 19.7 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 24 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (6.0) very fine roots throughout and few (0.5) medium roots throughout and few (0.3) fine roots throughout; many (5.0) very fine dendritic tubular and common (1.0) medium tubular and few (0.5) fine dendritic tubular pores; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method; clear wavy boundary. Lab sample # 13N01605; slightly moist when described; observed in trench
2Bt1—50 to 82 centimeters (19.7 to 32.3 inches);, dark brown (10YR 3/3) broken face, moist; silty clay loam; 28 percent clay; weak coarse prismatic, and moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; common (2.0) very fine roots throughout; many (5.0) very fine dendritic tubular and common (1.0) medium tubular and few (0.5) fine dendritic tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds and 30 percent distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 5 percent fine prominent dark yellowish brown (10YR 4/6), moist, iron-manganese masses with clear boundaries and 10 percent fine prominent black (10YR 2/1), moist, manganese coatings with sharp boundaries and 25 percent fine prominent grayish brown (10YR 5/2), moist, clay depletions with clear boundaries; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method; clear wavy boundary. Lab sample # 13N01606; slightly moist when described; observed in trench
2Bt2—82 to 107 centimeters (32.3 to 42.1 inches);, brown (10YR 4/3) broken face, moist; silty clay loam; 28 percent clay; weak coarse prismatic, and moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; common (2.0) very fine roots throughout; many (10.0) very fine dendritic tubular and common (1.0) medium tubular and common (3.0) fine dendritic tubular pores; 30 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine prominent black (10YR 2/1), moist, manganese coatings with sharp boundaries and 20 percent fine distinct grayish brown (10YR 5/2), moist, clay depletions; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method; clear wavy boundary. Lab sample # 13N01607; slightly moist when described; observed in trench
3BCt—107 to 160 centimeters (42.1 to 63.0 inches);, brown (10YR 4/3) broken face, moist; silty clay loam; 26 percent clay; weak very coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; few (1.0) very fine roots throughout; many (10.0) very fine dendritic tubular and common (1.0) medium tubular and common (3.0) fine dendritic tubular pores; 3 percent faint very dark grayish brown (10YR 3/2) clay films on all faces of peds and 3 percent distinct very dark grayish brown (10YR 3/2) clay films on surfaces along pores; 1 percent fine prominent dark yellowish brown (10YR 4/6) iron-manganese masses; 1 percent by volume rounded 2-?-5 millimeter unspecified fragments observed by visual inspection method. Lab sample # 13N01608; slightly moist when described; observed in trench