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Subject of Investigation
Animal research, general
Aquatic plants
Arboreta and botanical gardens
Atmosphere, general/other
Beans (dry)
Beans (fresh, fresh-processed)
Bedding/garden plants
Beef cattle, general/other
Beef cattle, live animal
Bees, honey, and other pollinators, general
Berries and cane fruits, other
Biological Cell Systems
Broadleaf forests of the South
Cassava (or manioc)
Chemurgic Crops
Citrus, general/other
Cole crops (includes cabbage, kale, broccoli, brussels sprouts, cauliflower,
Conifer forests of the North
Conifer forests of the South
Conifer forests of the West
Cool season perennial grasses (includes bluegrass, bromegrass, fescue)
Corn (for sweetcorn use 1480)
Cotton, other
Cottonseed (for meal, oil, etc.)
Cross-commodity research--multiple animal species
Cross-commodity research--multiple crops
Cucurbits, other (includes pumpkin, squash, gourd)
Cut flowers, foliage, and greens
Dairy cattle, general/other
Dairy cattle, live animal
Deciduous and small fruits, general/other
Deciduous tree fruits, other
Desert and semidesert shrub land and shinnery
Drainage and irrigation facilities and systems
Duck and goose, live animal
Durum wheat
Economy, general/other
Edible tree nuts, general/other
Egg-type chicken, live animal
Experimental design and statistical methods
Feed and feed additives
Fiber crops, general/other
Fish habitats
Florist crops, other
Food (not readily associated with specific plant and animal products)
Forage legumes, other
Freshwater shrimp
Fungi (includes yeast)
General Commodity
General technology
Goats, meat and mohair
Grain crops, general/other (includes buckwheat, millet, triticale)
Grain sorghum
Grapes, other
Grasslands, other
Greens and leafy vegetables (includes endive, lettuce, spinach)
Ground covers
Hard red spring wheat
Hard red winter wheat
Hard white wheat
Herbaceous perennials and decorative greens
Herbs and spices
Honey bees
Horses, ponies, and mules
Individuals (as workers, consumers, members of society)
Laboratory animals
Leguminous vegetables, other
Long fiber cotton
Machinery and equipment
Marine shrimp
Meat, beef cattle
Meat, dairy cattle
Meat, sheep
Meat, swine
Meat-type chicken, live animal
Melons (includes cantaloupe, muskmelon, watermelon)
Microorganisms, general/other
Miscellaneous and new crops, general/other
Mixed conifer-broadleaf forests
Mountain grasslands, meadow, and alpine
Mushrooms and other edible fungi
Narcotic plants
Noncrop plant research
Oilseed and oil crops, general/other
Onion, garlic, leek, shallot
Ornamental trees and shrubs
Ornamentals and turf, general/other (includes cacti)
Other animals, general
Other beef cattle products
Other bees (non-Apis bees)
Other cultured finfish
Other dairy cattle products
Other non-bee pollinators, general
Other Pollinators
Other poultry products
Other swine products
Paper and pulp derived products
Parks and urban green space
Pasture and forage crops, general/other
Peas (dry)
Peas (fresh, fresh-processed)
People and communities, general/other
Perennial grasses, other
Pesticides (includes herbicides, insecticides, fungicides, etc.)
Plant research, general
Potted plants
Poultry meat
Poultry, general/other
Raisin grapes
Rangelands and grasslands, general
Rangelands, other
Red clover
Remote sensing equipment and technology
Research equipment and methods, general/other
Research on research management (not research management per se)
Rhizomes, tubers, bulbs, and root crops, general/other (for potato use 1310)
River basins
Rubber, gum, and resin plants, other
Seeds and other plant propagules
Sewage and waste disposal facilities and systems
Sheep and wool, general/other
Sheep, live animal
Soft red wheat
Soft white wheat (includes club, western)
Soil and land, general
Solanaceous and related crops, general/other (for potato use 1310)
Spiders, mites, ticks, and other arthropods
Striped bass
Sugar beet
Sugar cane
Sugar crops, general/other
Summer annual grasses (includes forage sorghums, sudangrass, sorghum)
Sweet potato
Sweet sorghum
Swine, general/other
Swine, live animal
Table grapes
The family and its members
The farm as an enterprise
Trees, forests, and forest products, general
Tropical/subtropical fruit, general/other
Turf (includes bentgrass, bermudagrass, bluegrass, dichondra, fescue)
Turkey, live animal
Upland cotton
Vegetables, general/other
Viroids, mycoplasmas, spiroplasmas, etc.
Warm season perennial grasses (includes dallisgrass, bluestems)
Water resources
Watersheds and river basins, general
Wetland and riparian systems
Wheat, other
Wild animals
Wildlife and natural fisheries, general/other
Wildlife habitats
Wine grapes
Winter annual legumes (includes subterranean clover, arrowleaf clover)
Wood and wood products
Wool fiber
item 1890 Fellowship Research Regarding Enteric Methane Production by Cattle
item Acquisition of Ecological Measurements in the Central Mississippi River Basin LTAR Site
item Adaptive Livestock Scenarios in an Arid Environment
item Advanced UAS/UAV Application and Data Management Systems and Bioinformatics Tools Integrate GxExM Data for Precision Agricultural Management
item Advancement of UAS/UAV Application Systems
item Agricultural Systems Research on Tribal Lands
item Air Quality Associated with Agricultural Operations (SDL)
item Antibiotic Resistance Gene Quantification from Modern and Historical Soils
item Assessing Greenhouse Gas Emissions from Open-lot Dairies and Land-applied Dairy Cattle Manure
item Assessing Long-term Agronomic and Soil-health Impacts of Land-applied Dairy Cattle Manure
item Assessments of the Influence of Cryptic E. coli on Current Water Quality Monitoring and Management
item CEAP Watershed Assessment Study and National Soil Survey Center Joint Project: Improvement and testing of the NRCS Soil Vulnerability Index
item Chemical Composition of PM-10 and Gas Emitted from Cattle Livestock Operations
item Climate Change Adaptation Technical Assistance & Outreach in the Southwest
item Closing the Yield Gap of Cotton, Corn, and Soybean in the Humid Southeast with More Sustainable Cropping Systems
item Collaborative Animal Research between New Mexico State University (NMSU and ARS
item Collaborative Institutional Biosafety Committee (IBC) Oversight and Research between the University of Nebraska-Lincoln and ARS-Lincoln
item Collaborative Research in Atmospheric Characterization, Modeling and Sensing
item Collection of Aeolian Landform Dataset for Inference Model Assessment
item Collection of Aeolian Landform Dataset for Inference Model Assessment
item Conservation Pasture Management on Antimicrobial Resistance Bacteria in Water and Soil Systems: Longitudinal Analysis Over 13 Years
item Continued Support for a Twelve Paper Series on Agricultural Innovations to Sustainably Feed the World by 2050
item Continuing a General Framework for Cooperation for Research on Crop and Soil Science Projects
item Data Science Technical Support for the Landscape Data Commons
item Decreasing the Environmental Impact of Cattle Production Systems on the Southern High Plains
item Design, Implementation, Integration, and Analysis for the BLM Landscape Monitoring Framework
item Development of an All-lands Wind Erosion Model
item EDIT Connection
item EDIT Connection
item Effective Reduction of Ammonia in Poultry Facilities
item Effects of Tree Species, Ammonia Deposition, and Acid Rain on Soil Acidity in the Mulberry River Watershed, Arkansas
item Emissions Factors for N and S from Swine Finishing Operations
item Energy Partitioning, Evapotranspiration, and CO2 Exchange of the Forage Component of a Silvopasture System
item Engineering Poultry Litter Biochar to Capture Phosphorus to Improve Soil Phosphorus Management and Protect Water Quality
item Enhance the Agronomic, Economic, Social, and Environmental Sustainability of Agricultural Production Systems
item Establish a General Framework for Cooperation for Research on University of Idaho Projects
item Evaluation of the Wild Rice Restoration Results Using the sUAS-based Imagery of the Jug Bay Natural Area in Prince Georges County, Maryland
item Examining Best Native Seed Restoration Practices in the Chihuahuan Ecoregion
item Field Scale Assessment of Factors Controlling Corn and Soybean Production Efficiency
item Harnessing the Bacterial Immune System to Understand AR Gene Exchange
item Headquarters Cooperative Programs - Natural Resources and Sustainable Agricultural Systems (NRSAS))
item High Performance Computing Related to Agricultural Research in Regard to Big Data, Geospatial Statistics, and Bioinformatics
item Impacts of Agricultural Adaptation on Water Resources in the Upper Rio Grande Basin: Assessment for the Basin Study
item Improved Management of Nutrients, Water, Agrochemicals, and Energy to Enhance Agriculture System Sustainability
item Improvement and Maintenance of a Knowledge of a Land-Potential Knowledge System (LandPKS)
item Improvement of Soil Management Practices and Manure Treatment/Handling Systems of the Southern Coastal Plain
item Improving Agroecosystem Services by Measuring, Modeling, and Assessing Conservation Practices (BRIDGE PROJECT)
item Improving Air Quality, Soil Health and Nutrient Use Efficiency to Increase Northwest Agroecosystem Performance
item Improving Management Practices for Irrigated Western Cropping and Dairy Systems to Contribute to Sustainability and Improve Air Quality
item Improving Our Understanding of Nutrient Cycling, Soil Health, and Crop Quality in Manure-Treated Soils
item Improving the Economic and Ecological Sustainability of US Crop Production through On-Farm Precision Experimentation
item Integrating Field Experiments, Remote Sensing, and Modeling toward Improved Understanding and Quantification of Watershed Scale Carbon Cycling
item Long-Term Agroecosystem Research (LTAR) for Dryland Cropping Systems of the Northwest
item Long-term Management of Water Resources in the Central Mississippi River Basin
item LTER: Long-Term Research at the Jornada Basin
item Managing Energy and Carbon Fluxes to Optimize Agroecosystem Productivity and Resilience
item Managing Manure as a Soil Resource for Improved Biosecurity, Nutrient Availability, and Soil Sustainability
item Managing Nutrients and Carbon to Optimize Agroecosystem Productivity and Resilience
item Measurement and Modeling of NH3 Dry Deposition Downwind of a Dairy Cattle Facility
item MOU between USDA/ARS, USDA/NIFA, and Dairy Management Inc.
item NRATE: Nitrogen Research for Agriculture Transformation and Enhancement
item Plant-Soil-Water Nexus: Agricultural Systems Research on Tribal Lands
item Plant-Soil-Water Nexus: Agricultural Systems Research on Tribal Lands
item Predicting and Reducing Agricultural Contaminants in Soil, Water, and Air
item Quantifying Air and Water Quality Benefits of Improved Poultry Manure Management Practices
item Quantifying Life Cycle Impacts of Agricultural Systems with Winter Cover Crops
item Rangeland Monitoring and Data Analyses Using the AIM Strategy
item Science and Technologies for the Sustainable Management of Rangeland Systems
item Science and Technologies for the Sustainable Management of Western Rangeland Systems
item Scientific Support and Partnership for BLM Renewable Resource Programs in NM
item Scientific Support and Partnership for BLM Renewable Resources Programs in New Mexico
item Spectral and Spatial Properties of Selected Crops to Support Remote Sensing Research
item Spectral and Spatial Properties of Selected Crops to Support Remote Sensing Research
item State and Transition Simulation Modeling Support
item Strategic Water Research Vision for U.S. Agriculture to 2050
item Strategies to Manage Feed Nutrients, Reduce Gas Emissions, and Promote Soil Health for Beef and Dairy Cattle Production Systems of the Southern Great Plains
item Streamlining the Use of Monitoring Data in Multiple Resource Decision Making
item Sustainable Management of Manure Nutrients and Environmental Contaminants from Beef and Swine Production Facilities
item Terrestrial Observation System of NEON Field and Laboratory Analysis
item The 4 Directions Projections
item U.S. Dairy Net Zero Initiative: Improving Dairy On-Farm Sustainability Through Improved Soil Health and Manure Management
item Umbrella Agreement Between USGS (LMG) and ARS (HRSL) to Cooperate on Conservation Practice Research
item Using Modeling to Develop Monitoring Strategy and Scheduling for Microbial Quality of Irrigation Water Sources
item Using Quantitative Approaches to Developing Ecological Sites
item Utilizing Sustainable Remediation Technologies to Reduce Bioavailability and Transport of Chlorinated Organic Compounds
item Water and Light Use Efficiency of a Silvopasture System
item Water and Light Use Efficiency of a Silvopasture System
item Weather Extremes, Conservation, Risk Management Nexus