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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 Edible tree nuts, general/other
item Advanced Technologies for Tropical Invasive Pest Management in Hawaii
item Aflatoxin Mitigation in Sudan
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 Application of a Watershed Model to Assess Groundwater Sustainability Under Changing Climatic and Management Scenarios
item Assessing the Fate of Metal Oxide Associated Contaminants During Managed Aquifer Recharge
item Biology, Monitoring, and Management of Native and Invasive Stink Bugs in Almond Orchards
item Characterization of Variation in Phenology and Chill Requirement in the USDA-NCGR Pistacia Collection
item Climate Change Mitigation Outreach and Education: California Climate Hub
item Climate Informed Reforestation Guidance, Resources, Workshops and Extension
item Conservation and Utilization of Genetic Resources and Associated Data for Perennial Crops Adapted to Mediterranean and Subtropical Climates
item Conservation, Management, and Genetic Improvement of Tropical and Subtropical Fruit, Nut, and Beverage Crop Germplasm for the Pacific Region
item Crop Health and Genetic Improvement of Sub-Tropical and Tropical Crops in the Pacific
item Determining Subsurface Hydraulic Properties and Water Content Using Geophysical Methods and Limited Soil/Sediment Datasets
item Developing the Use of X-ray and eBeam as Safe Alternatives for Sterile Insect Technique to Control Key Lepidoptera Pests in Orchards
item Development of Ethyl Formate and Irradiation Combination Treatment and its Application on Spotted Wing Drosophila and Mealybugs
item Development of Host Fruit Odor Based Chemical Lure for Female Oriental Fruit Fly
item Development of Protein Food Odor Based Chemical Lure for Female Oriental Fruit Fly
item Development of Protein Food Odor-based Chemical Lure for Female Oriental Fruit Fly
item Developmental and Environmental Control Mechanisms to Enhance Plant Productivity
item Driving Insect-Microbe Interactions by Natural Immune-Modulators: a Novel Tool for Insect Rearing and Control
item Ethyl Formate as a Methyl Bromide Alternative for the California Walnut Industry
item Evaluating Models of Radiation Transfer and Carbon-Water Exchange in Vineyard and Orchard Canopies
item Examining Perennial Crop Physiology, Evapotranspiration, and Carbon Dynamics Using Surface-based Measurements and Proximal Remote Sensing Techniques
item Generating Developmentally-informed Gene Coexpression Networks for Non-infectious Bud Failure in Almond
item Identification of Giant African Snail Odors to Aid Detector Dog Training
item Improved Agroecosystem Efficiency and Sustainability in a Changing Environment
item Improved Control of Navel Orangeworm: Focus on Adjuvants and Application
item Improved Control of Navel Orangeworm: Focus on Increasing Insecticide Efficacy using Adjuvants and Improved Timing
item Improved Monitoring of Walnut Husk Fly through a New Pheromone Lure
item Improved Systems-based Approaches that Maintain Commodity Quality and Control of Arthropod Pests Important to U.S. Agricultural Production, Trade and Quarantine
item Improvement of the Aflatoxin Biocontrol Technology Based on Aspergillus flavus Population Biology, Genetics, and Crop Management Practices
item Improving Effectiveness and Sustainability of Gill’s Mealybug Management Program in Pistachio
item Improving integrated pest management practices of major hemipteran pests in almond orchards
item Improving Irrigation Efficiencies and Sustainability in Woody Perennial Crops Specific to California
item Improving Soil and Water Productivity and Quality in Irrigated Cropping Systems
item Influence of Pistachio Hull Degradation and Shell Split on NOW Egg Deposition and Infestation
item Integrated Optimization Framework of California Water and Land Use
item Integrating Artificial Intelligence & Computer Learning into the SolaRid Monitoring Device to Create a Comprehensive Decision-Making Support System
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 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 Mass Rearing of the Coffee Berry Borer and its Parasitoid Phymastichus coffea for Release as a Biological Control
item Modifications in Rearing and Transport of Novel Orangeworm for Improved Effectiveness of SIT
item New Technologies and Methodologies for Increasing Quality, Marketability and Value of Food Products and Byproducts
item Nonequilibrium Processes Influencing Contaminant Fate During Managed Aquifer Recharge
item Novel Methods for the Mitigation of Human Pathogens and Mycotoxin Contamination of High Value California Specialty Crops
item Novel Postharvest Treatments Using Propylene Oxide
item Optimization and Expansion of Aflatoxin Biocontrol with Non-Aflatoxigenic Strains of Aspergillus flavus
item Optimizing Phosphine for the Future
item Postharvest Protection of Tropical Commodities for Improved Market Access and Quarantine Security
item Postharvest Treatment Development for California Walnuts
item Prediction of Navel Orangeworm (NOW) Damage Independent of Mating Disruption
item Preserving Sulfuryl Fluoride for Dried Fruit Exports to the European Union
item Preserving Sulfuryl Fluoride for Dried Fruit Exports to the European Union
item Pretreatment Technologies for Managed Aquifer Recharge to Mitigate Clogging and to Remove Contaminants
item Producing Sterile Navel Orangeworm on Demand for Improvement of Pest Management
item Producing Sterile Navel Orangeworm on Demand for Improvement of Pest Management (Dr. Raman Bansal)
item Quantifying Foodborne Pathogen Prevalence in Wild Birds Across Species and Landscape Types
item Rethinking California’s Managed Aquifer Recharge Beyond Flat Terrains: A Multi-Method Assessment of Hillslope Processes
item Sterile Navel Orangeworm Technology and Development of an Area-wide IPM program
item Sterile Navel Orangeworm Technology and Development of an Area-wide IPM Program
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 Systems Approach for the Management of Coffee Berry Borer in Hawaii and Puerto Rico with Emphasis on Biological Control
item Systems Approach for the Management of Coffee Berry Borer in Hawaii and Puerto Rico with Emphasis on Biological Control (Cenicafe, Colombia)
item Systems Approach for the Management of Coffee Berry Borer in Hawaii and Puerto Rico with Emphasis on Biological Control (Puerto Rico)
item Systems Approach for the Management of Coffee Berry Borer in Hawaii and Puerto Rico with Emphasis on Biological Control (UH-Manoa)
item The Detection and Quantification of Residual Sulfuryl Fluoride and Fluoride Ion Resulting From Sulfuryl Fluoride Fumigation
item The USDA Climate Hubs – Supporting Natural and Working Lands Resilience by Co-Developing and Communicating Research-Informed Agro-Climate Practices