IDENTIFIERS

Current Taxon Name (Soil Name): Commerce

OSD

Series Extent

User Site ID: S1963LA107001

User Pedon ID: S1963LA107001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 40A1338

NCSS Pedon Lab Data NASIS Record ID - 34946

Print Date: 11/11/2024

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: 31.9527779

Std. Longitude: -91.2344437

Datum: WGS84

Township: 11N

Range: 12E

Section: 35

PLSS Details: 1050 feet E of old Hwy 65, 1200 feet NE of Experiment Station Office, NE 1/4, NW 1/4

Location Description: about 2 miles N of St. Joseph on Northeast Louisiana Agricultural Experiment Station.

State: Louisiana

County: LA107—Tensas

MLRA: 131—Southern Mississippi Valley Alluvium

Regional Office: 7—Auburn, AL

Non-MLRA Soil Survey Area: LA107—Tensas Parish, Louisiana

PEDON

Describers Name: James DeMent, J.L. Walker, Don A. Brown, Ronald Phillips, David F. Slusher, and Tracey Weems

Current Taxonomic Class: Fine-silty, mixed, superactive, nonacid, thermic Aeric Fluvaquents

Current Taxon Kind: series

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 1

Correlated Information:

Soil Name - Commerce

PSC - 25 to 100 cm.

Classificaton Date - 7/23/2007

Moisture Class - aquic

Moisture Subclass - aeric

Sampled As Information:

Soil Name - Commerce

Classificaton Date - 10/28/1963

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: flood plain

Slope Shape Down: convex

Runoff: low

Drainage Class: somewhat poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/28/1963 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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	—	—	—	—	270	1321	—	—	19	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak very fine granular structure; friable; 0.5 roots; fragments; slightly acid, pH 6.3, unspecified; abrupt smooth boundary. Lab sample # 40A10188

Ap2—15 to 25 centimeters (5.9 to 9.8 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; massive, and weak coarse platy; hard, firm; 0.5 roots; 10 percent fine dark brown (10YR 3/3) masses of dark accumulation; fragments; moderately acid, pH 5.8, unspecified; abrupt smooth boundary. Lab sample # 40A10189

B2g—25 to 48 centimeters (9.8 to 18.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silty clay loam; 1 percent very dark grayish brown (10YR 3/2) fine faint and 10 percent dark yellowish brown (10YR 3/4) fine faint mottles; moderate fine and medium subangular blocky structure; firm; 0.5 roots; 0.5 fine pores; fragments; neutral, pH 6.9, unspecified; clear smooth boundary. Lab sample # 40A10190. dark grayish brown (10YR 4/2) inside peds.

B3g—48 to 64 centimeters (18.9 to 25.2 inches); dark grayish brown (10YR 4/2) silt loam; 10 percent dark yellowish brown (10YR 4/4) fine distinct mottles; weak medium subangular blocky structure; friable; 0.5 roots; 3.0 fine pores; 15 percent faint very dark grayish brown (10YR 3/2) coats on faces of peds; 1 percent noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; neutral, pH 6.9, unspecified; gradual smooth boundary. Lab sample # 40A10191. patchy - phpvsfiid 175089; patchy - phpvsfiid 175089

C1g—64 to 81 centimeters (25.2 to 31.9 inches); grayish brown (10YR 5/2) silt loam; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; weak coarse subangular blocky structure; friable; 0.5 roots; 1 percent noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; moderately alkaline, pH 8.1, unspecified; clear smooth boundary. Lab sample # 40A10192. noncalcareous.

A1b1—81 to 91 centimeters (31.9 to 35.8 inches); dark gray (10YR 4/1) and dark grayish brown (10YR 4/2) silt loam; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; moderate medium subangular blocky structure; firm; 3.0 fine pores; 1 percent noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; moderately alkaline, pH 8.1, unspecified; clear smooth boundary. Lab sample # 40A10193. gray to grayish brown (10YR 5/1 to 5/2) inside peds; noncalcareous.

C2g—91 to 112 centimeters (35.8 to 44.1 inches); grayish brown (10YR 5/2) silt loam; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; massive; friable; 0.5 fine pores; 1 percent fine noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; moderately alkaline, pH 8.1, unspecified; gradual smooth boundary. Lab sample # 40A10194. finely banded faint color striations 1-2 mm thick are evident throughout; some horizontal cleavage; noncalcareous.

C3g—112 to 137 centimeters (44.1 to 53.9 inches); grayish brown (10YR 5/2) silt loam; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; massive; friable; 1 percent fine noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; moderately alkaline, pH 8.1, unspecified; abrupt smooth boundary. Lab sample # 40A10195. finely banded faint color striations 1-2 mm thick are evident throughout; some horizontal cleavage; noncalcareous.

A1b2—137 to 152 centimeters (53.9 to 59.8 inches); dark gray (10YR 4/1) silty clay; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine pores; 1 percent noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; moderately alkaline, pH 8.1, unspecified; abrupt wavy boundary. Lab sample # 40A10196. noncalcareous.

C4g—152 to 157 centimeters (59.8 to 61.8 inches); grayish brown (10YR 5/2) silt loam; 10 percent dark yellowish brown (10YR 3/4) fine distinct mottles; massive; friable; 0.5 fine pores; 1 percent noncoherent cemented dark brown (10YR 3/3) dark nodules; fragments; slightly alkaline, pH 7.6, unspecified; abrupt smooth boundary. Lab sample # 40A10197. noncalcareous.