IDENTIFIERS

Current Taxon Name (Soil Name): Yauco

OSD

Series Extent

User Site ID: S1985PR113001

User Pedon ID: 85PR113001

Vegetation Plot ID: S1985PR113001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 86P0224

NCSS Pedon Lab Data NASIS Record ID - 58029

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: 18.0240040

Std. Longitude: -66.5558548

Datum: WGS84

Location Description: Ponce Area; 0.5 Mi. NE. of eastern edge of Central Mercedita: 50 feet S. of road intersection.

State: Puerto Rico

County: PR113—Ponce

MLRA: 273—Semiarid Coastal Plains

PEDON

Describers Name: D. Williams, L. A. Daniels, G. Acevedo, J. Torres

Current Taxonomic Class: Fine-silty, carbonatic, isohyperthermic Typic Calciustolls

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 1

Sampled As Information:

Soil Name - Yauco

Taxonomic Class - Fine-silty, carbonatic, isohyperthermic Typic Calciustolls

PSC - 25 to 100 cm.

Classificaton Date - 5/1/1985

Moisture Class - ustic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: mountain valleys or canyons

Landform: terrace—stream or lake

Slope Shape Down: linear

Runoff: low

Drainage Class: well

Surface Fragments: 0.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 5/1/1985 (actual site observation date)

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
SAOP	Saxifraga oppositifolia	purple mountain saxifrage	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon calcic horizon	0—38 38—77 77—142	—- —- —-

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	—	—	28	—	180	100	—	—	26	28	24	29	31	28	—	—	—	—	—

1Ap1—0 to 19 centimeters (0.0 to 7.5 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silty clay; moderate fine granular structure; friable, very sticky, moderately plastic; 2.5 very fine roots throughout and 2.5 fine roots throughout; fragments; strong effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 86P01332; moist when described;. Common very fine shell fragments.; common very fine roots throughout; common fine roots throughout

1Ap2—19 to 38 centimeters (7.5 to 15.0 inches); 95 percent dark grayish brown (10YR 4/2) interior and 5 percent pale brown (10YR 6/3), 95 percent very dark grayish brown (10YR 3/2) and 5 percent yellowish brown (10YR 5/4), moist; silty clay; weak medium subangular blocky structure; firm, very sticky, moderately plastic; 2.5 very fine roots throughout and 2.5 fine roots throughout; fragments; strong effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 86P01333; moist when described;. Common very fine shell fragments. The (10YR 5/4) color is mixing by plowing.; common very fine roots throughout; common fine roots throughout

1Bw—38 to 54 centimeters (15.0 to 21.3 inches); pale brown (10YR 6/3) interior, yellowish brown (10YR 5/4) interior, moist; silty clay; moderate fine subangular blocky structure; firm, very sticky, moderately plastic; 0.5 fine roots throughout; 5.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 1 percent irregular carbonate concretions; fragments; strong effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 86P01334; moist when described;. Few medium and coarse pores filled with darker soil material.; few carbonate concretions concentrations; few fine roots throughout

1Bk1—54 to 77 centimeters (21.3 to 30.3 inches); very pale brown (10YR 8/3) interior, light yellowish brown (10YR 6/4) interior, moist; silty clay loam; weak coarse prismatic, and moderate medium subangular blocky structure; very friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 5.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 1 percent fine irregular carbonate concretions; fragments; violent effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 86P01335; moist when described;. Few splotches of dissiminated lime. Few medium and coarse pores filled with darker soil material.; few fine carbonate concretions concentrations; few fine roots throughout

1Bk2—77 to 112 centimeters (30.3 to 44.1 inches); very pale brown (10YR 8/4) interior, yellow (10YR 7/6) interior, moist; silt loam; weak coarse prismatic, and weak coarse subangular blocky structure; very friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 11 percent spherical carbonate masses; fragments; violent effervescence, by hcl, unspecified; gradual smooth boundary. Lab sample # 86P01336; moist when described;. Soft masses of lime equals 10%.; common soft masses of carbonate concentrations; few fine roots throughout

1Bk3—112 to 142 centimeters (44.1 to 55.9 inches); very pale brown (10YR 7/4) interior, yellow (10YR 7/6) interior, moist; silt loam; weak coarse prismatic, and weak coarse subangular blocky structure; very friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 11 percent spherical carbonate masses; fragments; violent effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 86P01337; moist when described;. Soft masses of lime equals 10%.; common soft masses of carbonate concentrations; few fine roots throughout

1Bk4—142 to 183 centimeters (55.9 to 72.0 inches); very pale brown (10YR 7/4) interior, brownish yellow (10YR 6/6) interior, moist; loam; weak coarse prismatic structure; very friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 2.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 11 percent spherical carbonate masses; fragments; violent effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 86P01338; moist when described;. Soft masses of lime equals 3%.; common soft masses of carbonate concentrations; few fine roots throughout

1Bk5—183 to 200 centimeters (72.0 to 78.7 inches); very pale brown (10YR 7/4) interior, brownish yellow (10YR 6/6) interior, moist; silt loam; weak medium subangular blocky structure; very friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 very fine interstitial and tubular and 2.5 fine interstitial and tubular pores; 11 percent spherical carbonate masses; fragments; violent effervescence, by hcl, unspecified. Lab sample # 86P01339; moist when described;. Soft masses of lime equals 3 to 5%.; common soft masses of carbonate concentrations; few fine roots throughout