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Site Information
The Napton demonstration site is located in Saline
County, Missouri, on a corn field that is in a corn-soybean rotation. The
dominant crops grown in the area are grain crops including soybean, corn,
and winter wheat. The soils in the area lie mostly within the
Iowa-Missouri Deep Loess Hills major land resource area. Soils in the area
are highly productive.
Sibley-Higginsville association
- Higginsville is a minority soil in this
field, Sibley occupies approximately 65% of field area, and Wiota
occupies approximately 25% of field area.
- Deep, gently sloping to strongly sloping
- Loamy
- Silty
- Soils formed in loess
- Sheet erosion is a major hazard
Sibley soils
- Mostly found on uplands
- Moderately permeable
- Well drained
- Surface layer is very dark grayish brown
silt loam
- Subsoil upper layer is dark brown to dark
yellowish brown silt clay loam
- Lower layer is yellowish brown silt loam
Wiota soils
- Found on high flood plains
- Slowly permeable
- Somewhat poorly drained
- Surface layer is black silt loam
- Subsoil is silty clay loam
- Subsoil upper layer is dark gray, very
dark gray, and mottled grayish brown
- Subsoil middle layer is dark grayish
brown, dark yellowish brown and grayish brown
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Subsoil lower layer is mottled gray and yellowish
brown
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