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Subject of Investigation

Agricultural supplies, general/other
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
Broadleaf forests of the South
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
Domestic and community water supply facilities and systems
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
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
Nonfarm structures and related facilities, including those used in
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 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)
Solar radiation
Spiders, mites, ticks, and other arthropods
Striped bass
Structures, facilities, and equipment, general/other
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 Action Area No. 2 (AA2) – Greenhouse Gas Research Network – Initial Equipment Needs
item Action Area No. 2 (AA2) – Greenhouse Gas Research Network – Initial Equipment Needs – Kimberly
item Advancing On-farm and Experiment Station Research to Manage Herbicide Resistant Weeds in the Pacific Northwest
item Advancing Soil Health and Agricultural Performance to Promote Sustainable Intensification and Resilience of Northwest Dryland Cropping Systems
item Advancing the State of Soil Information on U.S. Tribal Lands for Improved Food Security
item Air Quality Associated with Agricultural Operations (SDL)
item ARS, APHIS, and NIFA Support for CAST Communications
item Assessing the Effects of Conservation Practices on Crop Yield, Water Quality, and Greenhouse Gas Emissions in the U.S. Corn Belt
item Assessment and Monitoring Tools for Adaptive Management of Large Ranch Landscapes
item Assessment of the Effectiveness of Conservation Practices to Decrease Ammonia Emissions From Open Lot Cattle Operations
item Assessments of the Influence of Cryptic E. coli on Current Water Quality Monitoring and Management
item Climate Change Adaptation Technical Assistance & Outreach in the Southwest
item Collaboration on Tools to Manage Ecosystem Transitions for Agricultural Sustainability in the Americas
item Collaborative Animal Research between New Mexico State University (NMSU and ARS)
item Collaborative Research in Atmospheric Characterization, Modeling and Sensing
item Continuing Technology Development for Sustainable Land Management, Monitoring, and Research
item Coupling Human and Machine Knowledge to Optimize Tribal Food Systems
item Coupling Human and Machine Knowledge to Optimize Tribal Food Systems - University of Arizona
item Crop Modeling Digital Twin Development through Remote Sensing and Machine Learning
item Data Partnership with PhenoCam Network to Process, Serve, and Archive LTAR Digital Camera Imagery and Derived Data Products
item Developing Best Management Practices for Poultry Litter to Improve Agronomic Value and Reduce Air, Soil and Water Pollution
item Developing Resilient Irrigated Cropping Systems in Concentrated Dairy Production Areas of the Semi-arid West
item Development of a Digital Twin Agricultural Modeling System
item Development of an All-lands Wind Erosion Model
item Development of an All-lands Wind Erosion Model
item Dynamic, Data-Driven, Sustainable, and Resilient Crop Production Systems for the U.S.
item Dynamic, Data-Driven, Sustainable, and Resilient Crop Production Systems for the U.S.
item Effective Reduction of Ammonia in Poultry Facilities
item Enhance the Agronomic, Economic, Social, and Environmental Sustainability of Agricultural Production Systems
item Enhancements to the Database for Inventory, Monitoring and Assessment
item Enhancing Agricultural Management and Conservation Practices by Advancing Measurement Techniques and Improving Modeling Across Scales
item Environmental Monitoring to Support Eco-Geomorphic Modeling and Atmospheric Prediction
item Experimental Evaluation of Drought and Grazing Duration on Grassland Productivity
item Field Scale Assessment of Factors Controlling Corn and Soybean Production Efficiency
item Fostering Resilience and Ecosystem Services in Landscapes by Integrating Diverse Perennial Circular Systems (RESILIENCE CAP)
item Fostering Resilience and Ecosystem Services in Landscapes by Integrating Diverse Perennial Circular Systems - Univ of TX in Arlington
item Headquarters Cooperative Programs - Natural Resources and Sustainable Agricultural Systems (NRSAS))
item Impacts of Long-Term Management on Surface and Subsurface Transport and Biogeochemical Fluxes within the Cook Agronomy Farm
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 Improving Emissions Estimates in Western Dairy Production Systems for Assessment of the Net Zero Initiative (NZI)
item Improving the Economic and Ecological Sustainability of US Crop Production through On-Farm Precision Experimentation
item Innovative Manure Treatment Technologies and Enhanced Soil Health for Agricultural Systems of the Southeastern Coastal Plain
item Knowledge Systems and Tools to Increase the Resilience and Sustainablity of Western Rangeland Agriculture
item Land Health Assessment and Visualization Tools
item Land Management and Monitoring Apps Development
item Land Suitability Analysis for Olive and Maize Crop in Agroforestry System by Using Machine Learning Algorithms
item Linkages Between Crop Production Management and Sustainability in the Central Mississippi River Basin
item Long-Term Agroecosystem Research (LTAR) for Dryland Cropping Systems of the Northwest
item LTER: Long-Term Research at the Jornada Basin
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 MOU between USDA/ARS, USDA/NIFA, and Dairy Management Inc.
item National GHG Measurement, Monitoring and Data Innovations for Environmental and Sustainable Agricultural Systems
item Northwest and Alaska Climate Science to Enable Climate-Smart Decision-Making
item Novel Commercial Farm-field Network to Quantify Emissions and Carbon Storage from Agricultural Bio-energy Feedstock Production
item NRATE: Nitrogen Research for Agriculture Transformation and Enhancement
item PNW Herbicide Resistant Weeds Intiative: Community Engagement and Integrated Management of Herbicide Resistant Weeds
item Quantifying Life Cycle Impacts of Agricultural Systems with Winter Cover Crops
item Rangeland Analysis Platform Support and Development
item Rangeland Monitoring and Data Analyses Using the AIM Strategy
item Recycling Nutrients for Robust Agricultural Supply Chains
item Recycling Nutrients for Robust Agricultural Supply Chains
item Scaling Up Potential Antibiotic Resistant Gene Transport to Groundwater in Karst Geologies through Digital Tools
item Science and Technologies for the Sustainable Management of Rangeland Systems
item Science and Technologies for the Sustainable Management of 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 Strategies for Sustaining Multi-functional Rangelands
item Strategies to Improve Anaerobic Digestion for Small to Medium-Sized Livestock Operations in the U.S.
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 Strategies to Optimize Productivity through Enhancement of Plant Stress Tolerance and Agroecological Farming Systems in the Southeastern US
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 Swine Carcass Staging Risk Mitigations Study
item Technology Development for Sustainable Land Management, Monitoring and Research
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 U.S. Department of State Temporary Detail for Jeffrey Herrick
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 Using Soil and Water Health Assessment Tools to Identify Best Management Strategies
item Utilizing Sustainable Remediation Technologies to Reduce Bioavailability and Transport of Chlorinated Organic Compounds
item Water and Energy Balance Measurements in the Central Mississippi River Basin LTAR
item Water and Light Use Efficiency of Native Grasses in a Silvopasture System
item Wind Erosion Tools and the Landscape Data Commons