IDENTIFIERS

Current Taxon Name (Soil Name): Lares

OSD

Series Extent

User Site ID: D04PR023010

User Pedon ID: D04PR023010

Transect:

User Transect ID - 2004-005T

Transect Stop Number - 1

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - NSSL

Lab Pedon # - 04N0610

NCSS Pedon Lab Data NASIS Record ID - 17514

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: 18.0958333

Std. Longitude: -67.1422222

Datum: WGS84

Location Description: Lares clay, 0 to 5 percent slopes; approximately 0.5 mile northeast of the Cabo Rojo city downtown from the intersection of PR Hwy. 10 and PR Hwy. 312; about 200 feet east from dirt road on pasture field; CFabo Rojo Municipality. (USGS Puerto Real topographic quadrangle (1966) lat. 18 degrees 5 minutes 45 seconds N. and long. 67 degrees 8 minutes 32 seconds W.)

Map Unit: LaB2—Lares clay, 0 to 5 percent slopes, erodedLkB—Lares clay, 0 to 5 percent slopes

Non-MLRA Soil Survey Area: PR684—Mayaguez Area, Puerto Rico Western PartPR787—San German Area, Southwestern Puerto Rico

PEDON

Describers Name: Samuel Rios; Carmen Santiago; Dewayne Mays

Current Taxonomic Class: Very-fine, mixed, semiactive, isohyperthermic Aquic Hapludults

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 10

Correlated Information:

Soil Name - Lares

PSC - 23 to 73 cm.

Classificaton Date - 2/27/2009

Soil Taxonomic Edition - tenth edition

Moisture Class - udic

Moisture Subclass - udic

Sampled As Information:

Soil Name - Lares

Classificaton Date - 1/28/2004

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: coastal plain

Landform: alluvial fan, terrace

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Pattern: dendritic

Runoff: medium

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Geology: Upper Cretaceous member of the Sabana Grande Formation formation in the Ks group.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/28/2004 (actual site observation date)

Air Photo ID: 5A

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous 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

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon	0—12 12—71	5—12—30 33—58—99

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	—	45	1458	—	365	25.1	26.4	23.6	—	—	—	—	—	668757	San German 4W	Weather (NOAA)

Ap—0 to 5 centimeters (0.0 to 2.0 inches); yellowish brown (10YR 5/4) broken face clay; 24 percent sand; 29 percent silt; 47 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 7.0 medium roots throughout and 7.0 fine roots throughout; 3.0 medium irregular and 3.0 fine irregular pores; fragments; very strongly acid, pH 4.7, pH meter; gradual wavy boundary.; moist when described;

AB—5 to 12 centimeters (2.0 to 4.7 inches); yellowish red (5YR 4/6) broken face clay; 23 percent sand; 29 percent silt; 48 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 7.0 very fine roots throughout and 7.0 medium roots throughout and 7.0 fine roots throughout; 1.0 very fine tubular and 7.0 medium irregular and 7.0 fine irregular pores; 1 percent fine faint red (10R 4/8), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.7, pH meter; gradual wavy boundary.; moist when described;

Bt1—12 to 21 centimeters (4.7 to 8.3 inches); yellowish red (5YR 4/6) broken face clay; 21 percent sand; 28 percent silt; 51 percent clay; strong fine subangular blocky, and strong medium subangular blocky, and strong coarse subangular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 1.0 fine roots throughout; 7.0 medium irregular and 1.0 fine tubular and 7.0 fine irregular pores; 55 percent prominent clay films on all faces of peds; 1 percent fine faint red (10R 4/8), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.7, pH meter; abrupt smooth boundary.; moist when described;. continuous - phpvsfiid 353777; continuous - phpvsfiid 353777

Bt2—21 to 47 centimeters (8.3 to 18.5 inches); 34 percent red (10R 4/8) broken face and 33 percent red (2.5YR 4/8) broken face and 33 percent strong brown (7.5YR 5/8) broken face clay; 14 percent sand; 19 percent silt; 67 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 1.0 fine roots throughout; 7.0 medium irregular and 1.0 fine tubular and 7.0 fine irregular pores; 55 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 5.0, pH meter; gradual wavy boundary.; moist when described;. continuous - phpvsfiid 353778; continuous - phpvsfiid 353778

Bt3—47 to 71 centimeters (18.5 to 28.0 inches); 34 percent strong brown (7.5YR 5/8) broken face and 33 percent red (10R 4/8) broken face and 33 percent red (2.5YR 4/8) broken face clay; 15 percent sand; 20 percent silt; 65 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 7.0 medium irregular and 1.0 fine tubular and 7.0 fine irregular pores; 55 percent distinct clay films on all faces of peds; fragments; strongly acid, pH 5.2, pH meter; abrupt wavy boundary.; moist when described;. continuous - phpvsfiid 353779; continuous - phpvsfiid 353779

C—71 to 109 centimeters (28.0 to 42.9 inches); 34 percent reddish yellow (7.5YR 6/8) broken face and 33 percent strong brown (7.5YR 5/6) broken face and 33 percent light gray (2.5Y 7/2) broken face clay; 28 percent sand; 27 percent silt; 45 percent clay; massive; slightly hard, firm, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 7.0 very fine irregular and 1.0 fine tubular pores; 1 percent fine black (7.5YR 2.5/1), moist, iron-manganese concretions; fragments; strongly acid, pH 5.1, pH meter; abrupt wavy boundary.; moist when described;

Cg1—109 to 131 centimeters (42.9 to 51.6 inches); 50 percent reddish yellow (7.5YR 7/6) broken face and 50 percent gray (7.5YR 5/1) broken face clay loam; 41 percent sand; 27 percent silt; 32 percent clay; massive; soft, very friable, moderately sticky, moderately plastic; 7.0 fine irregular pores; 25 percent medium black (7.5YR 2.5/1), moist, iron-manganese concretions and 25 percent coarse black (7.5YR 2.5/1), moist, iron-manganese concretions; fragments; strongly acid, pH 5.2, pH meter; abrupt wavy boundary.; moist when described;

Cg2—131 to 172 centimeters (51.6 to 67.7 inches); 34 percent dark yellowish brown (10YR 4/6) broken face and 33 percent pale yellow (2.5Y 7/3) broken face and 33 percent gray (10YR 5/1) broken face clay; 40 percent sand; 27 percent silt; 33 percent clay; massive; slightly hard, firm, moderately sticky, moderately plastic; 3.0 medium irregular and 3.0 fine irregular and 1.0 fine tubular pores; fragments; strongly acid, pH 5.3, pH meter; gradual smooth boundary.; moist when described;

Cg3—172 to 210 centimeters (67.7 to 82.7 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent dark gray (10YR 4/1) broken face clay loam; 17 percent sand; 25 percent silt; 31 percent clay; massive; slightly hard, firm, moderately sticky, moderately plastic; 3.0 medium irregular and 3.0 fine irregular pores; 1 percent fine black (10YR 2/1), moist, iron-manganese concretions; fragments; strongly acid, pH 5.3, pH meter.; moist when described;