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Subject of Investigation

Agave
Air
Alfalfa
Almond
Animal research, general
Apple
Apricot
Aquatic plants
Arboreta and botanical gardens
Atmosphere, general/other
Bacteria
Banana
Barley
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
Blueberry
Broadleaf forests of the South
Canola
Carrot
Catfish
Cheese
Chemurgic Crops
Cherry
Citrus, general/other
Climate
Cocoa
Coffee
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.)
Cranberry
Cross-commodity research--multiple animal species
Cross-commodity research--multiple crops
Cucumber
Cucurbits, other (includes pumpkin, squash, gourd)
Cut flowers, foliage, and greens
Dairy cattle, general/other
Dairy cattle, live animal
Date
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
Eggplant
Eggs
Experimental design and statistical methods
Feed and feed additives
Fertilizers
Fiber crops, general/other
Filbert
Finfish
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
Grapefruit
Grapes, other
Grasslands, other
Greens and leafy vegetables (includes endive, lettuce, spinach)
Ground covers
Guayule
Hard red spring wheat
Hard red winter wheat
Hard white wheat
Hemp
Herbaceous perennials and decorative greens
Herbs and spices
Honey bees
Hops
Horses, ponies, and mules
Individuals (as workers, consumers, members of society)
Insects
Kenaf
Kiwi
Laboratory animals
Land
Leguminous vegetables, other
Lemon
Lentil
Lesquerella
Long fiber cotton
Machinery and equipment
Mango
Marine shrimp
Marketing, processing, and supply firms other than cooperatives
Meat, beef cattle
Meat, dairy cattle
Meat, sheep
Meat, swine
Meat-type chicken, live animal
Melons (includes cantaloupe, muskmelon, watermelon)
Microorganisms, general/other
Milk
Mint
Miscellaneous and new crops, general/other
Mixed conifer-broadleaf forests
Mountain grasslands, meadow, and alpine
Mushrooms and other edible fungi
Narcotic plants
Nectarine
Nematodes
Noncrop plant research
Oats
Oilseed and oil crops, general/other
Onion, garlic, leek, shallot
Orange
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
Oysters
Papaya
Paper and pulp derived products
Parks and urban green space
Pasture
Pasture and forage crops, general/other
Peach
Peanut
Pear
Peas (dry)
Peas (fresh, fresh-processed)
Pecan
People and communities, general/other
Peppers
Perennial grasses, other
Pesticides (includes herbicides, insecticides, fungicides, etc.)
Pineapple
Pinyon-juniper
Plant research, general
Plum
Potato
Potted plants
Poultry meat
Poultry, general/other
Protozoa
Raisin grapes
Rangelands and grasslands, general
Rangelands, other
Raspberry
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)
Rice
River basins
Rubber, gum, and resin plants, other
Rye
Salmon
Seeds and other plant propagules
Sewage and waste disposal facilities and systems
Sheep and wool, general/other
Sheep, live animal
Shellfish
Soft red wheat
Soft white wheat (includes club, western)
Soil
Soil and land, general
Solanaceous and related crops, general/other (for potato use 1310)
Soybean
Spiders, mites, ticks, and other arthropods
Strawberry
Striped bass
Sugar beet
Sugar cane
Sugar crops, general/other
Summer annual grasses (includes forage sorghums, sudangrass, sorghum)
Sunflower
Sweet potato
Sweet sorghum
Sweetcorn
Swine, general/other
Swine, live animal
Table grapes
Taro
Tea
The family and its members
The farm as an enterprise
Tilapia
Tomato
Trees, forests, and forest products, general
Tropical/subtropical fruit, general/other
Trout
Tung
Turf (includes bentgrass, bermudagrass, bluegrass, dichondra, fescue)
Turkey, live animal
Upland cotton
Vegetables, general/other
Viroids, mycoplasmas, spiroplasmas, etc.
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
Wildlife habitats
Wine grapes
Winter annual legumes (includes subterranean clover, arrowleaf clover)
Wood and wood products
Wool fiber
Watersheds and river basins, general
item Acquisition of Ecological Measurements in the Central Mississippi River Basin LTAR Site
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 Agricultural Water, Land Retirement, and Habitat on the Pacific Flyway: A Non-market Value Assessment
item Agroecosystem Sustainability in Upper Mississippi River Basin: Crop, Soil, and Water Resources
item AI Innovations for UAS-Based Biomass Estimation and Regional Extrapolations in the Gulf Atlantic Coastal Plain
item AmeriFlux Management Project Core Site - Walnut Gulch/Santa Rita
item Analyses and Tools for Sonar-Derived Data of River Flow and River Bottom Geomorphology
item Application of a Watershed Model to Assess Groundwater Sustainability Under Changing Climatic and Management Scenarios
item Assess Agricultural Conservation Practices to Reduce Nutrient Losses
item Assessing Conservation Practice Impacts on Reducing Soil Loss from Ephemeral Gullies within CEAP Watersheds
item Assessing Impacts of Forest Structure Changes on Snow Water Resources in the Colorado River Basin
item Assessing the Fate of Metal Oxide Associated Contaminants During Managed Aquifer Recharge
item Assessing Water Quality Trends in the TFCC Irrigation Project
item Assessment of Conservation Practice Impacts on Water and Sediment Loads Using Enhanced USDA Field and Watershed Management Planning Technology
item Assessments of the Influence of Cryptic E. coli on Current Water Quality Monitoring and Management
item Automated Geospatial Watershed Assessment (AGWA) tool
item Automated Geospatial Watershed Assessment (AGWA) Tool
item Autonomous Irrigation of Cover-Crop-Production Systems Reduces Pollutant Loss from Farm Fields, Transport of Agrochemicals in Streams, and Aquifer
item Big Data for ARS Models to Assess Historical Hydro-Climatic Trends and Projected Climate Impacts at LTAR Locations-Phase 2
item Biological Control in Integrated Weed Management of Invasive Weeds from Europe, Asia, and Africa
item CEAP Watershed Assessment Study and National Soil Survey Center Joint Project: Improvement and testing of the NRCS Soil Vulnerability Index
item CEAP-Grazing Lands Remote Sensing of Woody Vegetation
item Climate States and Climate Changes Observed and Projected in the Mississippi Embayment Aquifer Region from 1981 to 2060
item Climate-informed Assessment of Water Availability and Adaptive Management for Cropping Systems in the Fort Cobb Reservoir Experimental Watershed
item Collaborative Critical Zone Experimentation
item Consequences of Uniformly Managing Irrigated Fields with Variable Soil Depths
item Conservation Effects Assessment Project (CEAP) 2020 - ARS Benchmark Watershed Assessment Studies (on croplands)
item Conservation Effects Assessment Project - 2022
item Contribution of Legacy P to Watershed Outcomes - Phase 1
item Contribution of Legacy P to Watershed Outcomes - Phase 1 (University Park)
item Contribution of Legacy Phosphorus to Watershed Outcomes, Phase 1 & 2
item Database of Lower Mississippi River Alluvial Plain Stream System Morphologic Attributes
item Decision Support Tools to Address Sustainable Water Management Issues in the Mississippi Delta
item Defining the Relationship of Productivity with Water Availability Across the Semi-Arid Western U.S.
item Determining Subsurface Hydraulic Properties and Water Content Using Geophysical Methods and Limited Soil/Sediment Datasets
item Developing Sustainable Production Systems that Improve Water Resources in the Lower Mississippi River Basin
item Development of Best Management Practices and Technologies to Optimize Water Use in the Lower Mississippi River Basin
item Development of Best Management Practices, Tools, and Technologies to Optimize Water Use Efficiency and Improve Water Distribution in the Lower Mississippi River Basin
item Development of Enhanced Tools and Management Strategies to Support Sustainable Agricultural Systems and Water Quality
item Dissemination and Risk of Anthropogenically Induced Antibiotic Resistance in the Agricultural Environment
item Ecohydrology of Sustainable Mountainous Rangeland Ecosystems
item Economic Analysis Support for Water Use Data Related to the Arkansas Groundwater Initiative
item Elements: Agricultural Cyber-infrastructure Support for Field and Grid Modeling, and Runtime Decision-making
item Enhancing Agricultural Management and Conservation Practices by Advancing Measurement Techniques and Improving Modeling Across Scales
item Enhancing Long-Term Agroecosystem Sustainability of Water and Soil Resources Through Science and Technology
item Evaluation of an Innovative Mobile Phosphorus Removal Systems for Vermont CEAP and Priority HABs-affected Watersheds
item Evaluation of Saturated Buffers as Conservation Drainage Practice for Treating Agricultural Subsurface Drainage
item Examining Sustainable Production Systems to Improve Water Resources in the Lower Mississippi River Basin
item Exploration for Natural Enemies of Invasive Species Originating from China and the Surrounding Areas
item Exploring Microbial Symbioses for Reduced CH4 Emissions in Irrigated Drill Seeded Rice
item Field-Scale SWAT+ Modeling to Support Regional Legacy P Model Development
item FY 2020 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands)
item FY 2020 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - Oxford
item FY 2020 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - Oxford (WQ&ERU)
item FY 2020 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - Tifton
item FY 2020 Conservation Effects Assessment Project (CEAP) Benchmark Watershed Assessment Studies (on croplands)
item FY 2020 Conservation Effects Assessment Project (CEAP), Agricultural Research Service Benchmark Watershed Assessment Studies (on Croplands)
item FY 2020 Design and Evaluation of a Mobile Phosphorus Removal System for Vermont CEAP Watersheds
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) - CSWQ
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (On Croplands) - Kimberly
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) - Tifton
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) - University Park
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) El Reno, OK
item FY 2021 Conservation Effects Assessment Project (CEAP) ARS Benchmark Watershed Assessment Studies (on Croplands) - Jonesboro, AZ (Reba)
item FY 2021 Conservation Effects Assessment Project (CEAP) ARS Benchmark Watershed Assessment Studies (on Croplands) - Oxford, MS (Bingner)
item FY 2021 Conservation Effects Assessment Project (CEAP) ARS Benchmark Watershed Assessment Studies (on Croplands) -Oxford, MS (Lizotte)
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands)
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - (Jonesboro)
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - (WPPRU Oxford)
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) - (WQERU Oxford)
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on Croplands) - Tifton
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) El Reno
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands) Temple
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands), AMU
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands), CSWQ
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands)/ University Park, PA
item Gulf of Mexico Program
item Helping to Conserve and Wisely use the Land, Water, Wildlife, and Related Natural Resources in the State of Arkansas
item High Throughput Phenotyping of Crops Using sUAS-borne Imagery
item High-Frequency In-Stream Nitrate Sensing to Advance Models and Inform Watershed Management
item Impact of Production Systems on Insect Pressure in the Mississippi Delta
item Improved Agroecosystem Efficiency and Sustainability in a Changing Environment
item Improved Understanding of Integrated Gully and Watershed Erosion Processes in Agricultural Watersheds
item Improved Understanding of Integrated Runoff, Sediment, Nutrient, and Carbon Processes in Agricultural Watersheds
item Improved Understanding of Sediment Movement and Management in Agricultural Watersheds
item Improving Conservation Management Practices for Sustainable Production in the Lower Mississippi River Basin
item Improving Irrigation Efficiencies and Sustainability in Woody Perennial Crops Specific to California
item Improving Modeling of the Agroecosystem in the Lower Mississippi River Basin
item Improving Nutrient and Sediment Loss Modeling through Field Validation in the Lower Mississippi River Basin
item Improving Water Productivity and Quality in Irrigated Landscapes of the Northwestern United States
item Improving Water Use Efficiency and Grain Yield of Furrow-Irrigated Rice
item Indicator Based Approach to Estimate Impact of Land-Use/Land Cover Change on Water Footprint Using Artificial Intelligent (AI) Methods
item Integrated Optimization Framework of California Water and Land Use
item Integrating Cover Crops, Tillage, and Irrigation Management to Enhance Crop Productivity and Profitability
item Integrating Field Experiments, Remote Sensing, and Modeling toward Improved Understanding and Quantification of Watershed Scale Carbon Cycling
item Life After the Flood: Disrupting Rice Farming by Integrating Automated, LoT-Irrigation Technologies into a Low-Water-Use Production System
item Linkages Between Crop Production Management and Sustainability in the Central Mississippi River Basin
item Linking Dynamic Soil Erodibility to Soil Loss in the Agricultural Landscape
item Linking Measured Root Zone Dynamics to Atmospheric and Subsurface Fluxes
item Long Term Agroecosystem Research Network (LTAR) Croplands Common Experiment
item Long Term Agroecosystem Research Network (LTAR) Croplands Common Experiment
item Long Term Agroecosystem Research Network (LTAR) Upper Chesapeake Bay Conewago Watershed Monitoring Project
item Long-Term Agro-Ecosystem Sustainability Research Common Experiment
item Long-term Dairy Manure Application, Cover Crop and Tillage Effects on Soil Physical Properties
item LTAR-NEON Collaboration to Quantify Rangeland Vegetation Production - Phase 2
item Managed Aquifer Recharge to Sustain Irrigated Agriculture
item Managing Water Resources to Foster the Sustainable Intensification of Agroecosystems in the Northeastern U.S.
item Manokin River Watershed Urea Monitoring Project
item Modeling the Manureshed in the Susquehanna River Basin
item Monitoring and Evaluating Water Resources in Upper Washita River Basin
item New Remote Sensing Techniques for Ecosystem Water and Carbon Flux Estimation
item Nitrogen Management at the Watershed Scale: The Role of Cranberry Agriculture
item Nonequilibrium Processes Influencing Contaminant Fate During Managed Aquifer Recharge
item Northwest and Alaska Climate Science to Enable Climate-Smart Decision-Making
item Operation and Development of iSnobal model for Kings River
item Optimizing Irrigation Water Use in the Arkansas Delta
item Optimizing the Management of Irrigated Cropping Systems in the Lower Mississippi River Basin
item Organic Poultry Litter Amendment Assessment Project
item PNW Herbicide Resistant Weeds Intiative: Community Engagement and Integrated Management of Herbicide Resistant Weeds
item Preserving Water Quantity and Quality for Agriculture in the Lower Mississippi River Basin
item Pretreatment Technologies for Managed Aquifer Recharge to Mitigate Clogging and to Remove Contaminants
item Quantify Changes in Water Quality and Greenhouse Gas Emissions Due to Innovative Rice Production Practices
item Quantifying Life Cycle Impacts of Agricultural Systems with Winter Cover Crops
item Quantifying Water Quantity and Quality at the Cook Agronomy Farm Long Term Agroecosystem Research Location
item RaBET Development for Rangelands in the Western U.S.
item Science and Technologies for Improving Soil and Water Resources in Agricultural Watersheds
item Shifting the Balance of Water Resources and Interacting Agroecosystem Services Toward Sustainable Outcomes in Watersheds of the Southern Coastal Plain
item Skutumpah Terrace Sagebrush Steppe Enhancement Hydrology/Erosion Study
item Snow Water Supply Forecasting
item Subsurface Transport of Phosphorus in No-Till Agricultural Fields and Their Relationship to Surface Water Quality and Stream Ecosystem Processes
item Sustainable Intensification in Agricultural Watersheds through Optimized Management and Technology
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture (CA)
item Synergistic Managed Aquifer Strategies to Sustain Irrigated Agriculture (NACA)
item Technical Analysis of Grazingland National Resource Field Inventory Data
item Towards Resilient Agricultural Systems to Enhance Water Availability, Quality, and Other Ecosystem Services under Changing Climate and Land Use
item Transport of Nitrogen from Groundwater to Former Cranberry Bogs Along the Coonamessett River
item Umbrella Agreement Between USGS (LMG) and ARS (HRSL) to Cooperate on Conservation Practice Research
item UMES Stormwater Management Research Facility: Investigating Nutrient and Sediment Reduction for Poultry House Facilities
item Understanding Ecological, Hydrological, and Erosion Processes in the Semiarid Southwest to Improve Watershed Management
item Understanding Water-Plant Interactions in Cranberry Farms
item Using Phytoremediation and Other Ecosystem Services to Address Emerging Contaminants in Agroecosystems
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 Quality at the Edge of Field and In-stream in the Lower Mississippi River Basin
item Water Use, Yield and Global Warming Potential of Furrow-Irrigated Rice
item Watershed Legacy Sediment Assessment
item Watershed Modeling to Improve Conservation Planning Approaches