Johnston soil series

Depth Class: Very deep

Drainage Class (Agricultural): Very poorly drained

Flooding Frequency and Duration: Frequent or occasional for very brief to long periods

Ponding Frequency and Duration: None

Internal Free Water Occurrence: Shallow, common

Permeability: Moderately rapid

Landscape: Lower to upper coastal plain

Landform: Flood plain, swamp

Geomorphic Component: Tread

Parent Material: Alluvium

Slope: 0 to 2 percent

 

TAXONOMIC CLASS: Coarse-loamy, siliceous, active, acid, thermic Cumulic Humaquepts

 

USE AND VEGETATION:

Major Uses: Woodland

Dominant Vegetation: Where wooded--water tupelo, swamp tupelo, sweetgum, yellow poplar, green ash, water oak, and baldcypress. Also, loblolly pine grows in areas that have been drained. Understory plants include inkberry (bitter gallberry), American holly, greenbrier, switchcane, blueberry, honeysuckle, and poison ivy. Where cultivated--corn, soybeans, and pasture.

 

DISTRIBUTION AND EXTENT:

Distribution: South Atlantic and Gulf Coastal Plain in Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, and Virginia

Extent: Moderate

 

For a detailed description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/J/JOHNSTON.html

 

For geographic distribution, visit:

casoilresource.lawr.ucdavis.edu/see/#johnston

 

Done