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| Nodaway soil series | |
|---|---|
| Name | Nodaway soil series |
| Classification | Mollisol |
| Parent material | Loess and glacial till |
| Drainage | Moderately well drained |
| Texture | Silt loam |
| Climate | Humid continental |
| Uses | Cropland, pasture |
Nodaway soil series is a prominent agricultural soil recognized in the Midwestern United States and classified as a Mollisol. It supports intensive Corn Belt production, is mapped by the United States Department of Agriculture NRCS, and features in regional studies by universities such as Iowa State University and University of Missouri.
Nodaway soil series consists of deep, dark surface horizons with high organic matter typical of Mollisols and a subsoil exhibiting prismatic structure influenced by clay translocation, described in surveys by the USDA Soil Survey program, county soil maps, and research at the University of Nebraska–Lincoln. The series is commonly associated with landscapes near rivers such as the Missouri River, on interfluves shaped during Pleistocene events documented by geologists at the United States Geological Survey and in academic journals from Iowa State University and University of Nebraska–Lincoln.
Nodaway soils formed in windblown silt (loess) and glacial till deposited during Pleistocene glaciations studied by researchers at the Quaternary Research Association and the Indiana Geological and Water Survey. Parent materials derive from glacial erosion of uplands draining into the Missouri River and Mississippi River systems, with stratigraphic context discussed in publications by the United States Geological Survey and regional geology texts from Kansas Geological Survey and Illinois State Geological Survey. Paleosols correlated with the series appear in chronologies developed by laboratories at the University of Wisconsin–Madison and Ohio State University.
Nodaway soils are mapped across parts of Iowa, Missouri, Nebraska, and Kansas by the Natural Resources Conservation Service and featured in state soil inventories from the Iowa Department of Natural Resources and Missouri Department of Natural Resources. Extent correlates with loess mantled uplands within the Central Lowland physiographic province and with agricultural regions documented by the United States Department of Agriculture Census of Agriculture and studies at Purdue University. County-level distribution appears in NRCS county soil surveys and in agricultural extension reports from Iowa State University Extension.
Typical Nodaway profiles show a dark, humic A horizon over a lighter B horizon with clay illuviation; textures are commonly silt loam with permeability rates and available water capacity quantified in studies by the NRCS and soil scientists at Iowa State University. Chemical properties include moderate to high cation exchange capacity, neutral to slightly alkaline pH influenced by calcareous parent material, and significant organic carbon content similar to Mollisols analyzed by researchers at Iowa State University, University of Missouri, and the USDA Agricultural Research Service. Bulk density, aggregate stability, and nutrient retention have been measured in field trials reported through University of Nebraska–Lincoln and cooperative extension bulletins from Kansas State University.
Nodaway soils underlie intensive row cropping systems producing corn and soybean rotations central to the Corn Belt, and support forage and pasture used by livestock operations documented in county agricultural statistics compiled by the United States Department of Agriculture and extension services at Iowa State University and University of Missouri Extension. Historical land use transitions from prairie to cropland occurred during settlement eras described in studies by historians at University of Iowa and conservation analyses by the The Nature Conservancy. Yield responses to management, including fertilizer and tile drainage, are reported in agronomy trials at Iowa State University and the University of Missouri.
Best management practices for Nodaway soils emphasize erosion control, contour farming, and cover cropping promoted by the Natural Resources Conservation Service, conservation districts, and programs like the Conservation Reserve Program administered by the United States Department of Agriculture. Structural practices such as terraces, grassed waterways, and subsurface drainage are implemented following guidelines from NRCS field offices and extension publications from Iowa State University Extension and Kansas State University Research and Extension. Long-term sustainability initiatives are coordinated with regional conservation organizations including The Nature Conservancy and state departments of agriculture.
Economically, Nodaway soils contribute to commodity production in the Corn Belt and regional farm income statistics compiled by the United States Department of Agriculture and influence land values analyzed by economists at Iowa State University and University of Missouri. Environmentally, management of Nodaway soils affects sediment and nutrient fluxes to waterways such as the Missouri River and the Mississippi River, with implications studied by the United States Geological Survey, Environmental Protection Agency, and research centers at Purdue University and University of Iowa. Conservation of Nodaway soils intersects with policy and funding programs administered by federal and state agencies, including the Natural Resources Conservation Service and state departments of natural resources.
Category:Soil series Category:Mollisols Category:Soils of Iowa Category:Soils of Missouri