Drummer soil series

Drummer soil series
Name	Drummer soil series
Classification	Mollisol
Parent material	Loess over till
Climate	Humid continental
Depth	>200 cm

Drummer soil series The Drummer soil series is a prominent Mollisol recognized for its deep, dark, fertile A horizons and extensive use in agriculture across parts of the Midwestern United States. It serves as a benchmark for studies in pedology, crop production, soil conservation, and landscape ecology, and has been referenced in state soil surveys, university extension publications, and federal inventories.

Introduction

The Drummer soil series appears in federal and state inventories such as the Soil Conservation Service (USDA), United States Department of Agriculture, Illinois State Geological Survey, Iowa Department of Natural Resources, and University of Illinois Urbana-Champaign extension materials. It features in regional overviews associated with the Great Plains, Corn Belt, Mississippi River Valley, Chicago metropolitan area, and counties within Cook County, Illinois, LaSalle County, Illinois, and Will County, Illinois. Researchers at institutions including Iowa State University, University of Wisconsin–Madison, Purdue University, Ohio State University, and Michigan State University have studied it in relation to agronomy, hydrology, and climate interactions such as those documented by the National Oceanic and Atmospheric Administration and the National Aeronautics and Space Administration.

Classification and Pedology

Classified as a fine-silty, mixed, mesic Typic or Pachic Argiudoll within the broader order of Mollisols and the suborder associated with the prairie environment, Drummer relates to other named series indexed by the National Cooperative Soil Survey. Taxonomic comparisons involve series such as Flanagan series, Westville series, Kendall series, Haven series, and Blount series, and references appear in data tools from the Natural Resources Conservation Service and mapping efforts by the National Cooperative Soil Characterization Database. Pedologists from the Soil Science Society of America and analysts at the International Union of Soil Sciences use Drummer profiles to illustrate argillic horizons, mollic epipedons, and carbonate-free subsoils.

Geographic Distribution and Extent

Drummer soils are concentrated in the Midwestern United States, notably in central and northern Illinois, parts of Iowa, Indiana, Missouri, and regions adjacent to the Illinois River and Des Plaines River basins. Distribution maps by the USDA Natural Resources Conservation Service and state surveys link occurrences to loess-mantled landscapes such as the Mahomet Bedrock Valley and glacial till plains associated with the Wisconsin Glaciation and Illinoian Stage. Landform associations include river terraces, broad interfluves, and gentle morainal belts mapped by agencies like the United States Geological Survey and research by the Illinois State Geological Survey.

Physical and Chemical Properties

Profiles exhibit deep mollic epipedons with dark, granular A horizons, underlain by argillic horizons indicative of translocated silicate clay, and textures dominated by fine-silty loess-derived material. Measured parameters in studies at Iowa State University, University of Illinois Urbana-Champaign, and Ohio State University show high organic carbon content relative to regional soils, cation exchange capacities comparable to productive Mollisols, and pH values often in the slightly acidic to neutral range influenced by crop rotation and liming practices promoted by University of Illinois Extension and Purdue Extension. Bulk density, hydraulic conductivity, and available water capacity have been evaluated in field trials funded by agencies including the Natural Resources Conservation Service and programs at the National Science Foundation.

Formation and Genesis

Genesis of the series is attributed to deposition of windblown loess over glacial till during late Pleistocene events related to the Wisconsin glaciation and subsequent pedogenesis under tallgrass prairie vegetation. Soil scientists correlate its development with paleoclimate reconstructions by the United States Geological Survey and palynological records held at institutions such as the Smithsonian Institution and Field Museum of Natural History, linking organic matter accumulation to grassland ecosystems described by historical accounts referenced by the Prairie Ecological Society and conservationists from the The Nature Conservancy.

Land Use and Agricultural Importance

Drummer soils rank among the region’s most productive for crops like Zea mays (corn), Glycine max (soybean), Triticum aestivum (wheat), and forage grasses, supporting commodity systems studied by Iowa State University Extension, University of Illinois Extension, Purdue University Cooperative Extension Service, and commodity groups such as the American Soybean Association and National Corn Growers Association. Farm management recommendations and conservation practices promoted by the Natural Resources Conservation Service, Farm Service Agency, and Soil and Water Conservation Districts include contour farming, strip cropping, tile drainage, and nutrient management plans developed in collaboration with universities and industry partners such as the Agricultural Research Service.

Environmental and Management Considerations

Environmental analyses highlight issues of erosion control, nutrient runoff into watersheds such as the Mississippi River and Illinois River, subsurface tile drainage impacts examined by the Environmental Protection Agency, and carbon sequestration potentials considered in climate mitigation discussions by the Intergovernmental Panel on Climate Change and regional state climatologists. Conservation programs by the Natural Resources Conservation Service and non-governmental organizations including The Nature Conservancy and the Sierra Club promote practices tailored to maintain soil structure, organic matter, and biodiversity in landscapes occupied by Drummer soils, with monitoring conducted by networks affiliated with the National Soil Survey Center.

Category:Soil types