Pedon Description Report

Poquonock Pedon Description 2332309

Print Date:

01/23/2006

Description Date:

01/02/1991

Describer:

Tom A. Peragallo

Site ID:

MA023-1991-32309-Poquonock-S

Site Notes:

Pedon ID:

MA-023-1991-32309-Poquonock-P

Pedon Notes:

Lab Source ID:

Lab Pedon #:

Soil Name as Described/Sampled:	Poquonock
Soil Name as Correlated:	Poquonock
Classification:	Coarse-loamy, mixed, mesic Oxyaquic Dystrudepts

Pedon Type:

typical pedon for series

Pedon Purpose:

full pedon description

Taxon Kind:

series

Associated Soils:

Birchwood, Carver, Mattapoisett, Montauk, Plymouth

Location Information

Country:

State:

Massachusetts

County:

PLYMOUTH

MLRA:

144A -- New England and Eastern New York Upland, Southern Part

Soil Survey Area:

SS144A -- New England and Eastern New York Upland, Southern Part MLRA Soil Survey

Quad Name:

Assawompset Pond, Massachusetts

Location Description:

60 feet West of Cherry Street, 100 feet South of Vaughn Street in the town of Middleborough, Massachusetts

Legal Description:

Latitude:

41 degrees 51 minutes 12.10 seconds north

Longitude:

70 degrees 53 minutes 45.80 seconds west

Datum:

NAD83

UTM Zone:

UTM Easting:

342609 meters

UTM Northing:

4635233 meters

Physiographic Division:

Physiographic Province:

Physiographic Section:

State Physiographic Area:

Local Physiographic Area:

Northeast of Owl Swamp

Geomorphic Setting:

summit of till plain
summit of till plain

Upslope Shape:

linear

Cross Slope Shape:

linear

Primary Earth Cover:

tree cover

Secondary Earth Cover:

conifers

Plant Association Name:

Existing Vegetation:

eastern white pine, red maple

Parent Material:

Re-worked glaciofluvial deposits over Compact lodgement till

Bedrock Kind:

Bedrock Depth:

Bedrock Hardness:

Bedrock Fracture Interval:

Surface Fragments:

Particle Size Control Section:

25 to 71 cm.

Diagnostic Features:

hemic soil materials	0 to 5 cm.
ochric epipedon	0 to 20 cm.
sapric soil materials	5 to 8 cm.
cambic horizon	20 to 51 cm.
densic contact	71 cm.

Restrictions

Top Depth (cm)	Bottom Depth (cm)	Restriction Kind	Restriction Hardness
71		densic material

Slope (%)	Elevation (meters)	Aspect (deg)	MAAT (C)	MSAT (C)	MWAT (C)	MAP (mm)	Frost Free Days	Drainage Class	Slope Length (meters)	Upslope Length (meters)
2	29	135				1197		well

Oe--0 to 5 centimeters; very dark brown (10YR 2/2), moderately decomposed plant material; very friable; common fine roots throughout and common medium roots throughout; very strongly acid, pH 4.6; clear smooth boundary.

Oa--5 to 8 centimeters; black (10YR 2/1), highly decomposed plant material; massive; very friable; common medium roots throughout and few fine roots throughout; very strongly acid, pH 4.8; clear smooth boundary.

Ap--8 to 20 centimeters; brown (10YR 4/3), fine sandy loam; subangular blocky structure; friable; few fine roots throughout and few coarse roots throughout and common medium roots throughout; 3 percent 2- to 76-millimeter mixed rock fragments; very strongly acid, pH 5; clear wavy boundary.

Bw1--20 to 51 centimeters; yellowish brown (10YR 5/6), fine sandy loam; massive; very friable; few fine roots throughout and few medium roots throughout; 8 percent 2- to 76-millimeter mixed rock fragments; very strongly acid, pH 5; gradual wavy boundary.

Bw2--51 to 71 centimeters; yellowish brown (10YR 5/4), loamy sand loamy fine sand; massive; very friable; few medium roots throughout; 5 percent 2- to 76-millimeter mixed rock fragments; strongly acid, pH 5.2; clear smooth boundary.

2Cd1--71 to 112 centimeters; light olive brown (2.5Y 5/4), gravelly sandy loam; weak thin platy structure; firm; 1 percent fine faint light olive brown (2.5Y 5/3), moist, iron depletions with clear boundaries throughout and 1 percent fine faint yellowish brown (10YR 5/4), moist, iron-manganese masses with clear boundaries throughout; 17 percent 2- to 76-millimeter mixed rock fragments; moderately acid, pH 5.6; clear wavy boundary.

2Cd2--112 centimeters; olive (5Y 5/3), gravelly fine sandy loam; weak thin platy structure; very firm; 1 percent fine faint light olive brown (2.5Y 5/4), moist, iron-manganese masses with clear boundaries throughout; 18 percent 2- to 76-millimeter mixed rock fragments; moderately acid, pH 5.6.