AOP Resources – State Soil of Ohio
MIAMIAN -- OHIO STATE SOIL
Miamian Soil Profile
Surface layer: dark grayish brown silt loam
Subsoil - upper: dark yellowish brown clay loam
Subsoil - lower: yellowish brown clay and clay loam
Substratum: yellowish brown loam
The Miamian series consists of very deep, well
drained soils that formed in a thin layer of loess and
in the underlying loamy till, which is high in content
of lime. The original vegetation consisted of
deciduous forest species, principally white oak,
maple, elm, ash, and hickory.
Miamian soils are the most extensive soils in
Ohio. They occur on more than 750,000 acres in the
state. They are productive soils. Corn, soybeans,
and winter wheat are the primary crops. The
average annual precipitation ranges from 33 to
42 inches, and the average annual air temperature
ranges from 51 to 55 degrees F.
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alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at 202-720-2600 (voice
and TDD). To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, Room 326W, Whitten Building, 14th and Independence Avenue, SW,
Washington, DC 20250-9410 or call 202-720-5964 (voice or TDD). USDA is an equal opportunity provider and employer.