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ARS Home » Midwest Area » Research » Research Projects Subjects of Investigation at this Location
Research Projects Subjects of Investigation at this Location

Each ARS research project has related subjects of investigation.  Listed below are the subjects of investigation currently conducted at this location.

Clicking on a subject of investigation will list the research projects within that  subject of investigation.
Subjects of Investigation
Agave
Agricultural supplies, general/other
Air
Alfalfa
Apple
Atmosphere, general/other
Bacteria
Barley
Beans (dry)
Beans (fresh, fresh-processed)
Bedding/garden plants
Beef cattle, general/other
Beef cattle, live animal
Canola
Carrot
Citrus, general/other
Climate
Corn (for sweetcorn use 1480)
Cranberry
Cross-commodity research--multiple animal species
Cross-commodity research--multiple crops
Cucumber
Dairy cattle, general/other
Dairy cattle, live animal
Domestic and community water supply facilities and systems
Drainage and irrigation facilities and systems
Durum wheat
Egg-type chicken, live animal
Feed and feed additives
Fertilizers
Finfish
Fish habitats
Florist crops, other
Forage legumes, other
Fungi (includes yeast)
Grain crops, general/other (includes buckwheat, millet, triticale)
Grain sorghum
Ground covers
Guayule
Gums
Hard red spring wheat
Hard red winter wheat
Hemp
Honey bees
Horses, ponies, and mules
Individuals (as workers, consumers, members of society)
Insects
Lentil
Melons (includes cantaloupe, muskmelon, watermelon)
Microorganisms, general/other
Miscellaneous and new crops, general/other
Nematodes
Noncrop plant research
Oats
Oilseed and oil crops, general/other
Onion, garlic, leek, shallot
Ornamental trees and shrubs
Ornamentals and turf, general/other (includes cacti)
Other bees (non-Apis bees)
Other dairy cattle products
Pasture
Pasture and forage crops, general/other
Peach
Peanut
Peas (dry)
Perennial grasses, other
Pesticides (includes herbicides, insecticides, fungicides, etc.)
Plant research, general
Potato
Potted plants
Poultry, general/other
Rangelands and grasslands, general
Red clover
Remote sensing equipment and technology
Rice
Rye
Seeds and other plant propagules
Sheep, live animal
Soft red wheat
Soft white wheat (includes club, western)
Soil
Soil and land, general
Soybean
Sugar beet
Sugar cane
Sugar crops, general/other
Sunflower
Sweet potato
Sweet sorghum
Sweetcorn
Swine, general/other
Swine, live animal
The farm as an enterprise
Tomato
Trees, forests, and forest products, general
Trout
Turf (includes bentgrass, bermudagrass, bluegrass, dichondra, fescue)
Turkey, live animal
Upland cotton
Vegetables, general/other
Viruses
Walnut
Warm season perennial grasses (includes dallisgrass, bluestems)
Water resources
Watersheds
Watersheds and river basins, general
Weather
Weeds
Wetland and riparian systems
Wheat, other
Wild animals
Wildlife and natural fisheries, general/other
Wood and wood products
Research Projects within Soil and land, general
item Accelerating the Transition to Climate-Smart Strategies by Bolstering the Extension to Midwest Climate Hub Connection
item ACPF Database Expansion and Landscape Diversification
item Assessment of Agricultural Practices in the CMRB Region
item Assessment of Sediment and Chemical Transport Processes for Developing and Improving Agricultural Conservation Practices
item Assessment of Sediment and Chemical Transport Processes for Developing and Improving Agricultural Conservation Practices
item Biodiversity Measurements in the Central Mississippi River Basin LTAR Site
item Choreographing Change in Agroecology: An NLGCA – Tribal College Network
item Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands), AMU
item Contribution of Legacy P to Watershed Outcomes - Phase 1 - NSEU
item Contribution of Legacy P to Watershed Outcomes - Phase 1 - SWMU
item Contribution of Legacy P to Watershed Outcomes -UoM
item Contribution of Legacy Phosphorus to Watershed Outcomes Phase 3- Stream Sediments
item Contribution of Legacy Phosphorus to Watershed Outcomes Phase 3- Stream Sediments - Ames
item Contribution of Legacy Phosphorus to Watershed Outcomes Phase 3- Stream Sediments - Columbia
item Contribution of Legacy Phosphorus to Watershed Outcomes Phase 3- Stream Sediments - W Layayette
item Croplands Emissions - Midwest Area - Ames, IA
item Croplands Emissions - Midwest Area - St. Paul SWM Unit
item Developing and Evaluating Strategies to Protect and Conserve Water and Environmental Resources While Maintaining Productivity in Agronomic Systems
item Developing Aspirational Practices Through Improved Process Understanding to Protect Soil and Air Resources and Increase Agricultural Productivity in the Upper Midwest U.S.
item Drone-mounted Water Quality Monitoring Sensor System
item Estimating and Projecting Spring Freeze Risk to Midwest Specialty Crops
item Further Development of ACPF – New Tools and New Partnerships Between NRCS and ARS Water Quality Researchers
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) - NLAE
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) - NSE
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands), NSEU
item Getting to the ROOT of the Corn Yield Drag Following Cover Crops: A Cereal Rye Residue Manipulation Experiment
item Growing Urban Agriculture in Iowa
item Improve Temporal and Spatial Coverage of National Conservation Activity Data - West Lafayette, IN
item Improve Temporal and Spatial Coverage of National Conservation Activity Data – Ames, IA
item Improved Process-based Models for Predicting Nitrous Oxide Emissions from Fertilized Soils
item Improving Understanding of Soil Processes for Making More Informed Agricultural Management Decisions that Increase Agricultural Sustainability in the Central U.S.
item Integrated Midwest Partnerships for Actionable Climate Tools and Training (IMPACT2): Supporting System Transformation on Working Lands
item IRA GHG Quantification Action Area #6 (M#6)- Improve temporal and spatial coverage of national conservation activity data - Ames, IA
item IRA GHG Quantification Action Area #6 (M#6)- Improve temporal and spatial coverage of national conservation activity data - West Lafayette, IN
item Know Your Carbon Landscape: Data for Consistent Monitoring of Soil Carbon Monitoring
item Legacy phosphorus assessment in the Western Lake Erie Basin – Phase 2 (FY25 Purdue)
item Legacy Phosphorus Assessment in the Western Lake Erie Basin – Phase 2 (FY25 UK)
item Legacy Phosphorus Assessment in the Western Lake Erie Basin – Phase II: Examining the Interaction between Soil Chemistry and Hydrology
item Linkages Between Crop Production Management and Sustainability in the Central Mississippi River Basin
item Managing Nutrient, Carbon, and Water Fluxes to Provide Sustainable and Resilient Cropping Systems for Midwestern Landscapes
item Measurements and Tools for Assessment of Ecosystem Services
item Measuring Environmental Impacts of Diverse Crop Rotations and Integrating a Kura Clover Living Mulch into Midwestern Row Crop Systems
item Midwest Climate Hub Extension Liaison
item Nitrous Oxide Emissions from Agricultural Lands in Missouri
item Novel Manure Management Technologies: Reducing Odors, Producing Slow-release Fertilizers, and Providing Ecosystem Services
item NRCS Climate Mitigation Outreach and Education
item Optimizing Phosphorus Removal Structures: Improvements for Existing Structures and Identifying Next-Generation Designs
item Quantifying Soil Health in the Des Moines Lobe Under a Wide Range of Management Scenarios Using the Oklahoma Mobile Kits
item Real-Time Control of Denitrifying Woodchip Bioreactors to Improve Nitrate Load Reductions Under Hydro-Climate Variability
item Support and Enhancement of CEAP Databases
item Sustainable Intensification in Agricultural Watersheds through Optimized Management and Technology
item Tall Tower Monitoring - Midwest Area, St. Paul
item The USDA ARS Climate Hubs – Increasing Agricultural Productivity and Sustainability by Impactful Development and Communication of Climate Smart Agricultural Research and Practices – Ames, Iowa
item Tile Detection at the ACRES Facility of Purdue University
item USDA Midwest Climate Hub Climate Services Assessment
item Water and Energy Balance Measurements in the Central Mississippi River Basin LTAR
item Weathering of Sewage Sludge Biochar in Soil