IDENTIFIERS

Current Taxon Name (Soil Name): Palouse

OSD

Series Extent

User Site ID: S1987WA075001

User Pedon ID: 87WA075001

Vegetation Plot ID: S1987WA075001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 87P0496

NCSS Pedon Lab Data NASIS Record ID - 59791

Print Date: 3/2/2025

LOCATION

State: Washington

County: WA075—Whitman

MLRA: 9—Palouse and Nez Perce Prairies

PEDON

Describers Name: R. J. Engel and A. Busacca

Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Ultic Haploxerolls

Current Taxon Kind: taxadjunct

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 1

Correlated Information:

Soil Name - Palouse

PSC - 25 to 100 cm.

Classificaton Date - 7/11/2007

Moisture Class - xeric

Sampled As Information:

Soil Name - Palouse

Taxonomic Class - Fine-silty, mixed, mesic Ultic Haploxeroll

Taxon Kind - series

Classificaton Date - 10/1/1987

Moisture Class - xeric

Dynamic Soil Properties:

Erosion Class - 2

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: hills

Landform: hillside or mountainside

Anthropogenic Feature: leveled land

Hill Slope Profile: backslope

Slope Position: middle third

Slope Shape Down: linear

Runoff: low

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/1/1987 (actual site observation date)

Microrelief Elevation: 1

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
TRAE	Triticum aestivum	common wheat	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon	0—62 62—157	—- —-

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
12	—	—	—	—	315	54	—	—	8	16	-4	9	17	0	—	—	—	678910	—

1Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) interior, moist; silt loam; moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout; 5.5 very fine interstitial pores; fragments; abrupt smooth boundary. Lab sample # 87P02621. many very fine roots throughout

1A—18 to 28 centimeters (7.1 to 11.0 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine interstitial and 0.5 very fine tubular pores; fragments; clear smooth boundary. Lab sample # 87P02622. common very fine roots throughout

1AB—28 to 41 centimeters (11.0 to 16.1 inches); brown (10YR 4/3) interior, dark brown (10YR 3/3) interior, moist; silt loam; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular and 0.5 fine tubular pores; 37 percent distinct organic stains on faces of peds; fragments; gradual smooth boundary. Lab sample # 87P02623. common organic coats surface features on faces of peds; common very fine roots throughout; patchy - phpvsfiid 221965; patchy - phpvsfiid 221965

1BA1—41 to 62 centimeters (16.1 to 24.4 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior, moist; silt loam; strong medium prismatic, and moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular and 0.5 fine tubular pores; 37 percent distinct organic stains on faces of peds; fragments; gradual smooth boundary. Lab sample # 87P02624. common organic coats surface features on faces of peds; common very fine roots throughout; discontinuous - phpvsfiid 221966; discontinuous - phpvsfiid 221966

1BA2—62 to 91 centimeters (24.4 to 35.8 inches); yellowish brown (10YR 5/4) interior, brown (10YR 4/3) interior, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 2.5 very fine tubular and 2.5 coarse tubular pores; 37 percent distinct organic stains on faces of peds; fragments; gradual smooth boundary. Lab sample # 87P02625. Coarse tubular pores partially filled with (10YR 2/1) surface soil.; common organic coats surface features on faces of peds; common very fine roots throughout; discontinuous - phpvsfiid 221967; discontinuous - phpvsfiid 221967

1Bw1—91 to 117 centimeters (35.8 to 46.1 inches); yellowish brown (10YR 5/4) interior, brown (10YR 4/3) interior, moist; silt loam; moderate coarse prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 2.5 very fine tubular and 0.5 coarse tubular pores; 37 percent distinct organic stains on faces of peds; fragments; gradual smooth boundary. Lab sample # 87P02626. Coarse tubular pores partially filled with (10YR 2/1) surface soil. Many roots concentrated in tubular pores.; common organic coats surface features on faces of peds; few very fine roots throughout; patchy - phpvsfiid 221968; patchy - phpvsfiid 221968

1Bw2—117 to 157 centimeters (46.1 to 61.8 inches); yellowish brown (10YR 5/4) interior, brown (10YR 4/3) interior, moist; silt loam; moderate coarse prismatic structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 5.5 very fine tubular and 0.5 fine tubular pores; 15 percent distinct organic stains on faces of peds; fragments. Lab sample # 87P02627. few organic coats surface features on faces of peds; few very fine roots throughout; patchy - phpvsfiid 221969; patchy - phpvsfiid 221969