Newport Soil Map Unit Description- RI

Soil Map Unit Description from the Soil Survey of Rhode Island

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NeA - Newport silt loam, 0 to 3 percent slopes.

This nearly level, well drained soil is on the crests of drumlins and glacial till plains in the southeastern part of the State. Areas are long and narrow and mostly range from 5 to 50 acres.

Typically the surface layer is very dark brown silt loam 8 inches thick. The subsoil is olive brown and olive silt loam 16 inches thick. The substratum is olive gray channery silt loam to a depth of 60 inches or more.

Included with this soil in mapping are small areas of well drained Poquonock soils and moderately well drained Pittstown and Birchwood soils. Also included are small areas of soils that have slopes of more than 3 percent. Included areas make up about 10 percent of this map unit.

The permeability of this soil is moderate or moderately rapid in the surface layer and subsoil and slow or very slow in the substratum. Available water capacity is moderate, and runoff is medium. The soil is very strongly acid through medium acid.

This soil is suitable for community development. It is limited mainly by the slow or very slow permeability of the substratum. Onsite sewage disposal systems need special design and installation. Roads and streets need careful design to prevent frost heaving. Quickly establishing plant cover helps to control erosion during construction.

This soil is suited to cultivated crops, and most areas are used for farming. The use of cover crops and the return of crop residue to the soil help to maintain tilth and organic mailer content.

This soil is suited to trees, woodland wildlife habitat, and openland wildlife habitat. It is too dry to provide wetland wildlife habitat. Capability class I; woodland group 3o.

Soil Map Unit Description from the Soil Survey of Rhode Island

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NeB - Newport silt loam, 3 to 8 percent slopes.

This gently sloping, well drained soil is on the side slopes of drumlins and glacial till plains in southeastern Rhode Island. Areas are irregular in shape and mostly range from 5 to 100 acres.

Included with the soil in mapping are small areas of well drained Poquonock soils and moderately well drained Pittstown and Birchwood soils. Also included are small areas of soils that have slopes of more than 8 percent. Included areas make up about 10 percent of the map unit.

This soil is suitable for community development but is limited by the slow or very slow permeability of the sub stratum. Onsite sewage disposal systems need special design and installation. Roads and streets need careful design to prevent frost heaving. The use of straw bale sediment barriers, temporary diversions, and siltation basins and quickly establishing plant cover help to control erosion during construction.

This soil is suited to cultivated crops. Most areas are used for farming. The hazard of erosion is moderate. The use of cover crops and diversions, stripcropping, and the return of crop residue to the soil help to control erosion and maintain tilth and organic matter content.

This soil is suited to trees, woodland wildlife habitat, and openland wildlife habitat. It is too dry to provide wetland wildlife habitat. Capability subclass IIe; woodland group 3o.

Soil Map Unit Description from the Soil Survey of Rhode Island

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NeC silt loam, 8 to 15 percent slopes.

This sloping well drained soil is on side slopes of drumlins and glacial till uplands in southeastern Rhode Island. Areas are long and narrow and mostly range from 5 to 40 acres.

Included with this soil in mapping are small areas of well drained Poquonock soils and moderately well drained Pittstown and Birchwood soils. Also included are small areas of soils that have slopes of less than 8 percent. Included areas make up about 15 percent of this map unit.

The permeability of this soil is moderate or moderately rapid in the surface layer and subsoil and stow or very slow in the substratum. Available water capacity is moderate, and runoff is rapid. The soil is very strongly acid through medium acid.

This soil is suitable for community development but is limited by the slow or very slow permeability in the substratum and by the steep slopes. Onsite sewage disposal systems need special design and installation to prevent effluent from coming to the surface. Roads need careful design to prevent frost heaving. Quickly establishing plant cover and the use of mulch, diversions, and straw bale sediment barriers help to control erosion during construction.

This soil is suited to cultivated crops, and some areas are used for pasture. The hazard of erosion is severe. Stripcropping and using long crop rotations help to control erosion.

This soil is suited to trees, woodland wildlife habitat, and openland wildlife habitat. It is too dry to provide wetland wildlife habitat. Capability subclass l wood land group 3o.

Soil Map Unit Description from the Soil Survey of Rhode Island

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NfB—Newport very stony silt loam, 3 to 8 percent slopes.

This gently sloping, well drained soil is on side slopes of drumlins and glacial till plains in southeastern Rhode Island. Stones cover 2 to 10 percent of the surface area. Areas are long and narrow and mostly range from 5 to 50 acres.

Included with this soil in mapping are small areas of well drained Poquonock soils and moderately well drained Pittstown and Birchwood soils. Also included are small areas of nearly level soils and small areas of soils that have slopes of more than 8 percent. Included areas make up about 15 percent of this map unit.

The permeability of this soil is moderate or moderately rapid in the surface layer and subsoil and slow or very slow in the substratum. Available water capacity is moderate, and runoff is medium to rapid. The soil is very strongly acid through medium acid.

Most areas of this soil are in woodland, and the soil is suited to trees. A small acreage is cleared and used for pasture.

This soil is suitable for community development but is limited by the slow or very slow permeability in the sub stratum. Onsite sewage disposal systems need special design and installation. Roads and streets need careful design to prevent frost heaving. Stones and boulders require removal for landscaping. The use of straw bale sediment barriers and quickly establishing plant cover help to control erosion during construction.

The stones and boulders on the surface make this soil unsuitable for cultivated crops and severely hinder the use of farming equipment. The hazard of erosion is moderate, and maintaining a permanent plant cover helps to control this hazard.

This soil is suited to woodland wildlife habitat. It is poorly suited to openland wildlife habitat and is too dry to provide wetland wildlife habitat. Capability subclass VIs; woodland group 3o.

Soil Map Unit Description from the Soil Survey of Rhode Island

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NoC—Newport extremely stony silt loam, 3 to 15 percent slopes.

This gently sloping and sloping, well drained soil is on drumlins and glacial till plains in south eastern Rhode Island. Stones cover 10 to 35 percent of the surface. Areas are long and narrow and mostly range from 5 to 50 acres.

Typically the surface layer is very dark brown silt loam 3 inches thick. The subsoil is olive brown and olive silt loam 21 inches thick. The substratum is olive gray channery silt loam to a depth of 60 inches or more.

Included with this soil in mapping are small areas of well drained Poquonock soils and moderately well drained Pittstown and Birchwood soils. Also included are small areas of nearly level soils and small areas of soils that have slopes of more than 15 percent. Included areas make up about 15 percent of this map unit.

The permeability of this soil is moderate or moderately rapid in the surface layer and subsoil and slow or very slow in the substratum. Available water capacity is moderate, and runoff is medium to rapid. The soil is very strongly acid through medium acid.

This soil is suitable for community development but is limited by the slow or very slow permeability of the sub stratum and the stones on the surface. Onsite sewage disposal systems need special design and installation. Roads and streets need careful design to prevent frost heaving, and stones and boulders require removal for landscaping. Quickly establishing plant cover and the use of straw bale sediment barriers help to control erosion during construction.

This soil is suited to trees, and most of the areas are wooded. The stones on the surface hinder the use of planting and harvesting equipment.

The stones on the surface make this soil unsuitable for cultivated crops and severely hinder the use of farming equipment. The hazard of erosion is moderate to severe, and maintaining permanent plant cover helps to control this hazard.

This soil is suitable for woodland wildlife habitat. It is poorly suited to openland wildlife habitat and is too dry to provide wetland wildlife habitat. Capability subclass VIIs; woodland group 3x.

Soil Map Unit Description from the Soil Survey of Rhode Island

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NP—Newport-Urban land complex.

This complex consists of well drained Newport soils and areas of Urban land. The complex is on drumlins and glacial till plains of densely populated areas mainly in southeastern Rhode Island. Slopes are about 6 percent but range from 1 to 15 percent. Areas are irregular in shape and mostly range from 10 to 100 acres. The complex is about 40 percent Newport soils, 30 percent Urban land, and 30 percent other soils. The soils and Urban land are so intermingled that it was not practical to map them separately.

Typically the Newport soils have a surface layer of very dark brown silt loam 8 inches thick. The subsoil is olive brown and olive silt loam 16 inches thick. The substratum is olive gray channery silt loam to a depth of 60 inches or more.

Urban land consists of areas that are covered by streets, parking lots, buildings, and other urban structures.

Included with the complex in mapping are areas, up to 10 acres in size, of well drained Poquonock soils, moderately well drained Pittstown and Birchwood soils, and Udorthents.

The permeability of the Newport soils is moderate or moderately rapid in the surface layer and subsoil and slow or very slow in the substratum. Available water capacity is moderate. Runoff is medium to rapid on the Newport soils. The soils are very strongly acid through medium acid.

Areas of this complex are used mainly for homesites, shopping centers, industrial parks, and other urban purposes. The homesites range mostly from 10,000 to 50,000 square feet.

The main limitation of the Newport soils for community development is the slow or very slow permeability in the substratum. Onsite sewage disposal systems need special design and installation. Roads and streets require careful design to prevent frost heaving. Quickly establishing plant cover and the use of mulch, temporary diversions, and straw bale sediment barriers help to control erosion during construction.

Areas of this complex require onsite investigation and evaluation for most uses. Capability subclass and wood land group not assigned.

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