Skip to main content
ARS Home » Pacific West 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

Air
Alfalfa
Almond
Apple
Apricot
Atmosphere, general/other
Banana
Barley
Beans (dry)
Beans (fresh, fresh-processed)
Bedding/garden plants
Beef cattle, general/other
Beef cattle, live animal
Berries and cane fruits, other
Blueberry
Carrot
Cherry
Citrus, general/other
Climate
Cocoa
Coffee
Cole crops (includes cabbage, kale, broccoli, brussels sprouts, cauliflower,
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 crops
Cucurbits, other (includes pumpkin, squash, gourd)
Cut flowers, foliage, and greens
Dairy cattle, live animal
Date
Deciduous and small fruits, general/other
Deciduous tree fruits, other
Desert and semidesert shrub land and shinnery
Drainage and irrigation facilities and systems
Durum wheat
Edible tree nuts, general/other
Eggplant
Eggs
Fertilizers
Fiber crops, general/other
Filbert
Flax
Florist crops, other
Food (not readily associated with specific plant and animal products)
General Commodity
Goats, meat and mohair
Grain crops, general/other (includes buckwheat, millet, triticale)
Grain sorghum
Grapefruit
Grapes, other
Greens and leafy vegetables (includes endive, lettuce, spinach)
Guayule
Hard red spring wheat
Hard red winter wheat
Hemp
Herbaceous perennials and decorative greens
Honey bees
Hops
Horses, ponies, and mules
Individuals (as workers, consumers, members of society)
Insects
Kiwi
Land
Leguminous vegetables, other
Lemon
Lentil
Lesquerella
Long fiber cotton
Mango
Meat-type chicken, live animal
Melons (includes cantaloupe, muskmelon, watermelon)
Microorganisms, general/other
Milk
Mint
Miscellaneous and new crops, general/other
Mountain grasslands, meadow, and alpine
Mushrooms and other edible fungi
Nematodes
Oats
Oilseed and oil crops, general/other
Onion, garlic, leek, shallot
Orange
Ornamental trees and shrubs
Ornamentals and turf, general/other (includes cacti)
Other bees (non-Apis bees)
Other non-bee pollinators, general
Oysters
Papaya
Parks and urban green space
Pasture
Pasture and forage crops, general/other
Peach
Peanut
Pear
Peas (dry)
Peas (fresh, fresh-processed)
Peppers
Perennial grasses, other
Pineapple
Pinyon-juniper
Plant research, general
Potato
Potted plants
Poultry meat
Raisin grapes
Rangelands and grasslands, general
Rangelands, other
Raspberry
Remote sensing equipment and technology
Research equipment and methods, general/other
Rice
Rubber, gum, and resin plants, other
Rye
Salmon
Seeds and other plant propagules
Sewage and waste disposal facilities and systems
Sheep, live animal
Shellfish
Soft red wheat
Soft white wheat (includes club, western)
Soil
Soil and land, general
Soybean
Spiders, mites, ticks, and other arthropods
Strawberry
Structures, facilities, and equipment, general/other
Sugar beet
Sweet potato
Swine, general/other
Swine, live animal
Table grapes
Taro
The farm as an enterprise
Tomato
Trees, forests, and forest products, general
Tropical/subtropical fruit, general/other
Trout
Turf (includes bentgrass, bermudagrass, bluegrass, dichondra, fescue)
Upland cotton
Vegetables, general/other
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
Wine grapes
Wood and wood products
Research Projects within Water resources
item A Controlled Environment Agriculture Platform for Cultivation of Salt-Tolerant Crops with Integrated Saline Water Irrigation and Salinity Management
item A Modeling Assessment of Agricultural Land Groundwater Recharge in the Kaweah River Watershed, California
item A Satellite-based Crop Monitoring and Forecasting System to Enhance Food Security in Nepal
item A Water Sensitivity Analysis for Sustaining Irrigated Agriculture in the Southwest
item A Webinar and Workshop Series of Decision Support Resources for Forest Managers in California
item Action Area No. 2 (AA2) – Greenhouse Gas Research Network – Pacific West Area Land Emissions - Pullman
item Action Area No. 2 (AA2)–Greenhouse Gas Research Network - Pacific West Area Land Emissions - Parlier
item Adsorption of PFAS by Biochars and Subsequent Regeneration with Microwave Treatment
item Advancing Applied Climate Science Action for Diverse Agro-ecological Applications Across California
item Advancing Biological Control of Cheatgrass
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 Almond-alfalfa Intercropping in Young Orchards for Profitability and Sustainability
item Almond-Alfalfa Intercropping in Young Orchards for Profitability and Sustainability (CSU)
item Almond-Alfalfa Intercropping in Young Orchards for Profitability and Sustainability (Kearney Ag)
item AmeriFlux Management Project Core Site - Walnut Gulch/Santa Rita
item Analysis and Quantification of G x E x M Interactions for Sustainable Crop Production
item App Validation for Water and Salinity Management of Arizona Farms
item Application of a Watershed Model to Assess Groundwater Sustainability Under Changing Climatic and Management Scenarios
item Areawide Management of Spotted Wing Drosophila in California
item Artificial Intelligence to Increase Sustainability of Water, Nutrient, Salinity, and Pest Management in the Western US
item Assessing Residue Source and Management Practices for Improving Fertilizer Recommendations in Cereal-based Cropping Systems
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 Greenhouse Gas and Air Quality Benefits of Dairy Digester Installation in California
item Biochar-Based Polishing Technology for Treated Municipal Wastewater to Mitigate Antimicrobial Resistance Dissemination in Irrigated Cropping Systems
item Biochar-Based Wastewater Polishing Technology for Risk Mitigation of Antibiotic and Antimicrobial Resistance Dissemination in Agriculture
item Biological Control of Invasive Pests in Agroecosystems and Wetland, Forest and Rangeland Ecosystems in the Far Western U.S.
item Biological Control of Invasive Plants in the Western USA
item CEAP-Grazing Lands Remote Sensing of Woody Vegetation
item Climate Change Mitigation Outreach and Education: California Climate Hub
item Climate Informed Reforestation Guidance, Resources, Workshops and Extension
item Climate-Informed Reforestation Guidance and Support
item Collaborative Critical Zone Experimentation
item Collaborative Institutional Biosafety Committee (IBC) Oversight and Research between UC Riverside and ARS Salinity Lab
item Collection, Evaluation and Importation of Candidate Biological Control Agents for Ice Plants Invasive on San Nicolas Island and San Clemente Island
item Consequences of Uniformly Managing Irrigated Fields with Variable Soil Depths
item Conservation Effects Assessment Project (CEAP) Kaweah River Basin Watershed Assessment Study
item Continuing a General Framework for Cooperation for Research on Crop and Soil Science Projects
item Determining Subsurface Hydraulic Properties and Water Content Using Geophysical Methods and Limited Soil/Sediment Datasets
item Develop a Quantitative, Usable Database of PFAS Concentrations in Agricultural Samples Including Before & After Treatment or Practice Implementation
item Develop a Quantitative, Usable Database of PFAS Concentrations in Agricultural Samples Including Before & After Treatment or Practice Implementation
item Developing Resilient Irrigated Cropping Systems in Concentrated Dairy Production Areas of the Semi-arid West
item Developing Sustainable Turfgrass Systems in the U.S. Southwest
item Development of Cheatgrass Biological Control with Microbes and Integrated Cape-ivy Control to Reduce Populations of Non-native, Invasive Weeds
item Digital and Precision Agriculture for Sustainable Water and Salinity Management in Arid and Semi-Arid Regions
item Discovery and Pre-Release Evaluation of Weed Biocontrol Agents
item Discovery and Pre-Release Evaluation of Weed Biocontrol Agents
item Discovery, Identification, Collection and Shipment of Biological Control Agents of Slenderleaf Ice Plant in South Africa
item Ecohydrology of Sustainable Mountainous Rangeland Ecosystems
item Ecological Forest Management Snow Monitoring Demonstration Site
item Effects of Changing Snow Fraction on Streamflow in a Mountainous Catchment
item Enhancing Vine Productivity and Soil Health Through Sustainable Wood Mulching Strategies
item Enhancing Water Adaptation in the Arid West
item Establish a General Framework for Cooperation for Research on University of Idaho Projects.
item Establishment and Evaluation of Ganaspis brasiliensis to Suppress Spotted Wing Drosophila
item Evaluating Models of Radiation Transfer and Carbon-Water Exchange in Vineyard and Orchard Canopies
item Evaluating New Breeding Material for Salinity Tolerance in Almond Rootstocks and Exploring Novel Sources of Salinity Tolerance in Prunus Germplasm
item Evaluating New Breeding Material for Salinity Tolerance in Almond Rootstocks and Exploring Novel Sources of Salinity Tolerance in Prunus Germplasm
item Examining Perennial Crop Physiology, Evapotranspiration, and Carbon Dynamics Using Surface-based Measurements and Proximal Remote Sensing Techniques
item Fertilize 4 Life Initiative: Group 1 and Group 3 Activities in Riverside, California
item FY 2021 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (On Croplands) - Kimberly
item FY 2022 Conservation Effects Assessment Project (CEAP) - Benchmark Watershed Assessment Studies (on croplands)
item Genetics x Environment x Management interactions affecting crop salt tolerance and drought resistance
item Genetics, Ecology, and Biological Control of Invasive Annual Grasses - Albany
item Identify the Effective Microalgae-Based Strategies to Ensure Food Safety in Reclaimed Water Irrigated Soils
item Identifying Effective Farming Practices to Reduce Risks of Per- and Polyfluoroalkyl Substances (PFAS) in Food Crop Productions
item Impacts of Disturbances, Management Practices, and Climate on Ecohydrology of Water-Limited Lands
item Impacts of Long-Term Management on Surface and Subsurface Transport and Biogeochemical Fluxes within the Cook Agronomy Farm
item Improved Agroecosystem Efficiency and Sustainability in a Changing Environment
item Improving Agricultural Consumptive use Estimates within the Lower CO River Basin using Satellite-Derived Determinations of Crop Growth Stage Lengths
item Improving Agricultural Consumptive use Estimates within the Lower Colorado River
item Improving Irrigation Efficiencies and Sustainability in Woody Perennial Crops Specific to California
item Improving Irrigation Management in Specialty Crop Systems
item Improving Soil and Water Productivity and Quality in Irrigated Cropping Systems
item Improving Water Management for Arid Irrigated Agroecosystems
item Improving Water Productivity and Quality in Irrigated Landscapes of the Northwestern United States
item Improving, Evaluating, and Extending Satellite-Based High Resolution Cropland Carbon Monitoring System
item Increased Water Security through Safe Reuse of Reclaimed Water
item Increasing Water Productivity, Nutrient Efficiency and Soil Health in Rainfed Food Systems of Semi-Arid Southern Great Plains
item Integrated Optimization Framework of California Water and Land Use
item Integrated Weed Management and Restoration Strategies to Protect Water Resources and Aquatic and Wetland Ecosystems of the Far Western U.S.
item Intensified Dryland Production Systems in the Low and Intermediate Precipitation Regions of Eastern Oregon
item Invasive Plant Management Strategies for Endangered Plant Recovery and Tidal Wetland Restoration under Changing Environmental Conditions
item Linking Climate Change Impacts on Forest Health, Fire Risk, and Vegetation and Snow Dynamics in California
item Linking Ground Based and Remotely Sensed Stress Physiology of California Woody Perennial Crops
item Linking Measured Root Zone Dynamics to Atmospheric and Subsurface Fluxes
item Linking Soil Carbon Building Practices to Almond Nutritional Quality
item Linking Soil Carbon Building Practices to Almond Nutritional Quality
item Long-Term Agroecosystem Research (LTAR) for Dryland Cropping Systems of the Northwest
item Long-Term Agroecosystem Research (LTAR) for Dryland Cropping Systems of the Northwest
item LTAR-NEON Collaboration to Quantify Rangeland Vegetation Production - Phase 2
item Machine Learning for Unearthing Environmental Drivers of Soil Moisture Dynamics and Scaling to Hillslope and Remote Sensing Observations
item Managed Aquifer Recharge to Sustain Irrigated Agriculture
item Mapping Irrigation Methods using Artificial Intelligence
item MASTERS (Mentoring Agriculture Students through Training, Experiential Learning, and Research Skills) for the Future Agricultural Workforce
item Memorandum of Understanding on Sustainability of Federal Collaboration on Pharmaceuticals in Drinking Water (FY22)
item Modeling U.S. Farming Systems in Building Sustainable Agricultural Systems
item Multi-site Study of Soil, Sediments and Water for PFASs Analysis in North Carolina
item Multifaceted Pathways to Climate-smart Agriculture Through Integrated Participatory Program Development and Delivery
item Multifaceted Pathways to Climate-smart Agriculture Through Integrated Participatory Program Development and Delivery
item New Remote Sensing Techniques for Ecosystem Water and Carbon Flux Estimation
item New Remote Sensing Techniques for Ecosystem Water and Carbon Flux Estimation - Phase 2
item Nonequilibrium Processes Influencing Contaminant Fate During Managed Aquifer Recharge
item Northwest and Alaska Climate Science to Enable Climate-Smart Decision-Making
item Objective-based Climate Ready Reforestation Workshop
item Operation and Development of iSnobal model for Kings River
item Optimizing and Enhancing Sustainable and Profitable Dryland Wheat Production in the Face of Climate and Economic Challenges
item PFAS Fate and Remediation in Agricultural Systems: Developing Conservation Assistance for Landowners
item Plant-Soil Feedbacks Driving Cheatgrass Invasion
item PNW Herbicide Resistant Weeds Intiative: Community Engagement and Integrated Management of Herbicide Resistant Weeds
item Precision Nitrogen Mapping Proof of Concept
item Pretreatment Technologies for Managed Aquifer Recharge to Mitigate Clogging and to Remove Contaminants
item Prioritizing Weed Targets for Biological Control: Testing a South African Model for Western USA
item Production and Characterization of a New N-containing Fertilizer Recovered from Waste for Turf Grass Production
item Purchase of Dedicated Instrument to Increase USDA Analytical and Research Capacity Related to PFAS in Food Production Systems
item Quantifying Dynamic Soil Properties for Soil health in the Central Valley of California
item Quantifying Dynamic Soil Properties for Soil health in the Central Valley of California
item Quantifying Dynamic Soil Properties for Soil Health in the Central Valley of California
item Quantifying Ecosystem Services in Turfgrass Systems
item Quantifying Factors that Contribute to the Enemy Release in Weed of Urban Versus Natural Ecosystems
item RaBET Development for Rangelands in the Western U.S.
item Remote Sensing Unique Species Identification
item Remote Sensing Unique Species Identification & Process Publication(s)
item Rethinking California’s Managed Aquifer Recharge Beyond Flat Terrains: A Multi-Method Assessment of Hillslope Processes
item Roles of Microplastics in Reclaimed Water - Enhancing Persistence and Bioavailability of Antimicrobials in Agricultural Soils
item Satellite and sUAS-based Irrigation Management Technologies for Arizona Crop Production
item Science Advisory Panel Support to the Wildfire and Forest Resilience Task Force
item Science Applications for Advancing Federal and State Forest Management Pace and Scale
item Skutumpah Terrace Sagebrush Steppe Enhancement Hydrology/Erosion Study
item Slow Filtration of Pharmaceuticals from Wastewater Using Biochar Fixed-Bed Columns
item Snow Water Supply Forecasting
item Supporting Climate Literacy for United States Forest Service (USFS)
item Synergies in Aquatic Plant Biological Control: Translating Research Between the Southern and Western USA
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 The USDA Climate Hubs – Supporting Natural and Working Lands Resilience by Co-Developing and Communicating Research-Informed Agro-Climate Practices
item Treatment of Wastewater with Nanobubbles for Safe Reuse
item U.S. Dairy Net Zero Initiative: Improving Dairy On-Farm Sustainability Through Improved Soil Health and Manure Management
item Understanding and Improving Salinity Tolerance in Specialty Crops
item Understanding Ecological, Hydrological, and Erosion Processes in the Semiarid Southwest to Improve Watershed Management
item Water Management for Crop Production in Arid and Semi-Arid Regions and the Safe Use of Alternative Water Resources
item Workman Creek Snowtography