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Nancy N Ragsdale

General Biological Science
Pest Management Chemistry
nnr@ars.usda.gov
Phone: (301) 504-4509
Fax: (301) 504-6191
Room 4-2108
5601 SUNNYSIDE AVENUE
GWCC-BLTSVL
BELTSVILLE, MD, 20705-5139

Projects (Appropriated | All ) 307 projects listed
item Optimizing Irrigation Management for Humid Climates
item Deciduous Fruit Improvement and Protection from Pests
item Biological and Chemical Disease Control and Development of Agronomic Systems for Cacao and Alternative Crops
item Remote Sensing Technology for Management of Irrigation and Potentially Salt-Affected Soils
item Remote Sensing and Precision Irrigation to Improve Water Nutrient and Pesticide Use Efficiency
item Integrated Management and Ecology of Weed Populations in the Southeastern Coastal Plain
item Alternatives to Chemical Control for Stored Product and Quarantine Pests of Fresh/dried Fruits and Nuts
item Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California
item Rearing and Release Technology for Biological Control & Sterile Insect Releases of Fruit Flies
item Postharvest Treatments for Quarantine Security and Quality Maintenance of Tropical Commodities
item Integrated Weed Control and Revegetation of Temperate Desert Rangelands
item Biology, Control, and Areawide Management of Fruit Flies and Other Pests
item Animal Waste Management Research
item Molecular and Genetic Mechanisms of Hessian Fly Resistance in Soft Winter Wheat
item Comprehensive Systems for Managing Nutrient Flows and Gaseous Emissions in Relation to Dairy Manure
item Enhancing Genetic Diversity, Processing Quality, and Root Maggot Resistance in Sugarbeet
item Pathogen Transport and Dissemination from Manure
item Improved Animal Manure Treatment Methods for Enhanced Water Quality
item Soil Erosion Prediction Technology for Improved Conservation Planning and Environmental Protection
item Spectral and Spatial Measurements and Modeling to Improve Nutrient Management and Environmental Quality
item Improving Soil Resource Management for Irrigated Agricultural Systems
item Soil Management Systems for the Responsible Use of Natural Resources
item Sustainable Management of Forage-Livestock Systems in the Southern Plains
item Comprehensive Manure Management for Improved Nutrient Utilization and Environmental Qualtiy
item Improving Soil and Nitrogen Management Systems for Sustaining Land and Water Quality
item Plant and Animal Responses to Environment and Management
item Crop and Soil Management Systems for Water Quality Protection and Agricultural Sustainability
item Managing Microbial Processes of Soil Subsidence in Histosols for Sustainable Sugarcane Yield
item Systems and Technologies for Sustainable Site-Specific Crop Management
item Improving Soil, Water, and Nutrient Management in Cropping and Integrated Crop-Livestock Systems
item Develop and Transfer Irrigated and Non-Irrigated Peanut Management Systems and Technology
item Biological and Management Strategies to Increase Cropping Efficiency in Short-Season and High-Stress Environments
item Irrigated Crop Management Utilizing Remote Sensing
item Genetics, Genetic Resource Evaluation, and Genetic Improvement of Landscape Trees and Shrubs
item Sustainable Potato Cropping Systems for Irrigated Agriculture in the Pacific Northwest
item Factors Contributing to Persistence of Herbicides and Strategies for Reducing off-Target Impacts
item Integrating Remote Sensing, Gps, and GIS for Precision Agriculture and Natural Resources Management
item Development of Models for Water Quality Management and Resource Assessments
item Managing Crop Production in Semi-Arid Climates with Variable Water Sources and Amounts
item Integrated Orchard Management for Deciduous Tree Fruit Crops
item Etiology and Biology of Diseases Affecting Deciduous Fruit/nut Trees, Grapevine, Oak Trees, and Strawberries
item Ginning and Processing Research to Enhance Quality, Profitability, and Textile Utility of Western Cottons
item Assessment of the Physiological Mechanisms Affecting Yield in Peanut Production
item Site and Time-Specific Crop, Tillage, and Nutrient Management for Sustainable Corn-Soybean Agroecosystems
item Integrated Forage, Crop, and Livestock Systems for Northern Great Plains
item Management of Grassland and Pasture in Appalachia for Sustainable Forage and Livestock Production
item Sustaining Rural Economies Through New Water Management Technologies
item Production Systems Affecting Yield and Quality of Vegetable Crops
item Replacement of Herbicides and Methyl Bromide by Microbiological Control of Weeds
item Molecular and Morphological Systematics of Plant Pathogenic Fungi
item Ecologically-Based Management of Selected Insects Associated with Corn
item Identification, Elucidation, and Use of Disease and Nematode Resistances in Vegetable Crops
item Sustainability of Soil Resources in Weed and Crop Management Systems in Mid South Agriculture
item Disinfest Lettuce of Insects Through Postharvest Treatments and Pre-Harvest Ipm
item Integration of Res. Info. into a Decision Support System for Resource Conservation & Water Quality
item Enhancement of Postharvest Quality of Fruits and Vegetables and Evaluation of Commodity Treatments of Quarantined Pests
item Remote Water Pumping and Electric Power Generation with Renewable Energy
item Management of Sustainable Agricultural Systems That Effectively Use Water & Reduce Wind Erosion
item Management and Economics of Integrated Forage and Animal Production Systems
item Atmospheric Impacts of Agricultural Management Practices
item Sustainable Soil and Crop Management Systems for Clay Soils
item Diverse Cropping Systems for the Northern Great Plains
item Cropping Systems and Land Management in Dryland Pacific Northwest
item Improving Crop Protection Technology for Horticulture Crops
item Development of Pesticide Application Technologies for Spray-Drift Management and Targeted Spraying
item Irrigation Systems and Precision Mgmt Strategies to Conserve Water and Protect Water Quality
item Dryland Cropping Systems Management for the Central Great Plains
item Minimizing Air and Water Contamination from Agricultural Pesticides
item Aerial Application Technology for Crop Production and Protection
item Integration of Research Information into a Decision Support System for Resource Conservation Planning and Water Quality Protection
item Atmospheric Processes of Agricultural Pollutants That Affect Air and Water Quality
item Integration of Climate Forecasts into Management and Resources Conservation Tools
item Watershed Management Systems for Improved Water Quality in the Mississippi Delta
item Crop Response to Global Change and Variations in Air Quality
item Development of Ecologically-Sound Pest, Water and Soil Management Strategies for Northern Great Plains Cropping Systems
item Biologically-Based Integrated Management of Invasive Aquatic and Riparian Weeds
item Integration of Research Info into Decision Supportsystem for Resource Conservation & Water Quality
item Genetic Improvement of Insect Pest Resistance in Wheat, Barley, and Sorghum
item Small Fruit and Nursery Research
item Whole Farm Management of Animal Wastes and Other Agricultural Effluents
item Biological, Microclimate, and Transport Processses Affecting Pest Control Application Technology
item Soil Resources in the Coastal Plain: Process Characterization, Management Impacts & Assess. Tools
item Conservation Production Systems for Improved Profitability and Soil Quality
item Rangeland Assessment, Management and Restoration
item Potato Research
item Epidemiology and Control of Xylella Diseases and Their Insect Vectors
item Disease Control Through the Enhancement of Resistant Sugarcane Germplasm
item Improved Quarantine Procedures for Insect and Mite Pest in Temperate Fruits and Vegetables
item Development of Water Management Technology and Efficient Cropping Systems for the Mid South
item Development of Water Management Technology and Efficient Cropping Systems for the Mid South
item Improved Quarantine Procedures for Insect and Mite Pest in Temperate Fruits and Vegetables
item Groundwater Recharge and Wastewater Irrigation to Protect Crops and Groundwater
item Role of Natural Products in Host Resistance and Integrated Weed Management in Vegetable Crops
item Biology and Management of Soilborne Diseases and Soil and Root-Inhabiting Microorganisms
item Integration of Research Info into Decision Supportsystem for Resource Conservation & Water Quality
item Integrating Remote Sensing, Climate and Hydrology for Evaluating Water, Energy and Carbon Cycles
item Quantifying Environmental Hydrology to Mitigate Detrimental Chemical Fluxes
item Biologically-Based Integrated Management of Invasive Aquatic and Riparian Weeds
item Improving Erosion Prediction to Enhance Soil and Water Quality
item Development of Ecologically-Sound Pest, Water and Soil Management Strategies for Northern Great Plains Cropping Systems
item Glassy-Winged Sharpshooter and Pierce's Disease
item Watershed Management Systems for Improved Water Quality in the Mississippi Delta
item Atmospheric Processes of Agricultural Pollutants That Affect Air and Water Quality
item Climate, Watershed and Streamflow Processes in Theintermountain West
item Water Quality Protection in Irrigated Cropping Practices and Systems
item Development of Acoustic and Seismic Technology to Characterize Soils, Assess Water Content, and Otherwise Reduce Production Costs
item Irrigation Systems and Precision Mgmt Strategies to Conserve Water and Protect Water Quality
item Minimizing Air and Water Contamination from Agricultural Pesticides
item Integration of Research Information into a Decision Support System for Resource Conservation Planning and Water Quality Protection
item Processes, Control, and Prediction of Erosion and Runoff on Upland Areas in Agricultural Watersheds
item Cropping Systems and Land Management in Dryland Pacific Northwest
item Integrated Soil, Crop and Pest Management for Sustainable Agriculture
item Reducing Nitrate Contamination to Surface Waters from Artificially Drained Soils
item Integration of Res. Info. into a Decision Support System for Resource Conservation & Water Quality
item Disinfest Lettuce of Insects Through Postharvest Treatments and Pre-Harvest Ipm
item Improving Salt Tolerance in Small Grain Crops Using Physiological Approaches
item Management Practices to Reduce Movement of Agro-Chemicals to Surface and Ground Waters in Nc U.S.
item Improved Forages and Management Strategies for Phytoremediation and Water Quality Protection
item Integration of Alternative Pest Management Strategies for Management of Insects and Aflatoxin Contamination
item Sustaining Rural Economies Through New Water Management Technologies
item Resistance Monitoring and Resistance Management of Lepidoptern Spp. Infesting Bt Cotton
item Replacement of Herbicides and Methyl Bromide by Microbiological Control of Weeds
item Ecologically-Based Management of Selected Insects Associated with Corn
item Weed Biology and Ecology and Development of Sustainable Integrated Weed Management Systems for Cotton, Soybean, and Corn
item Insect Cold Storage: Using Cryopreservation and Dormancy As Aids to Mass-Rearing of Insects
item Impact of Land Use on Hydrologic and Environmental Processes for Watersheds in the Coastal Plain
item Cotton Integrated Pest Management and Crop Improvement for the Western U.S.
item Biological Buffers for Improving Water Quality in Agricultural Landscapes
item Site and Time-Specific Crop, Tillage, and Nutrient Management for Sustainable Corn-Soybean Agroecosystems
item Integrated Effects of Management, Land Use and Climate on Regional Water Resources
item Managing Crop Production in Semi-Arid Climates with Variable Water Sources and Amounts
item Integrated Drainage Management and Flood-Tolerant Cropping Systems for Humid Areas
item Particulate Emissions from Wind Erosion: Processes, Assessment, and Control
item Biologically Based Weed Management: Developing Experimental Systems for Fundamental Research on Dormancy
item Production and Stabilization of Living Microbial Agents
item Develop Systems Technology for Economic Peanut Producti0n
item Air Quality Associated with Agricultural Operations (Sdl)
item Development of Models for Water Quality Management and Resource Assessments
item Integrating Production and Conservation Practices to Maintain Grass Seed Farm Profits
item Host-Plant Resistance, Biological and Ecological Studies of Insect Pests of Corn
item Insect-Plant-Microorganism Interations Affecting Corn Quality and Safety
item Integrating Remote Sensing, Gps, and GIS for Precision Agriculture and Natural Resources Management
item Developing Sustainable Crop and Animal Production Systems Suitable for the Southeast
item Biological Control of Rangeland Weeds
item Long-Term Field Experiment to Evaluate Sustainability of Organic and Conventional Cropping Systems
item Cover Cropping Practices to Improve Weed and Fertility Management in Organic Production Systems
item Functional Genomics-Based Management of Stored-Product Insect Pests
item Soil Erosion Prediction Technology for Improved Conservation Planning and Environmental Protection
item Soil Erosion and Water Quality Management
item Integrated Crop, Pasture, Feed, and Manure Management Systems for Dairy Farms
item Sustainable Cropping Systems for the Northeast
item Sustainable Potato Cropping Systems for Irrigated Agriculture in the Pacific Northwest
item Systems and Technologies for Sustainable Site-Specific Crop Management
item Soil Erosion, Sediment Yield and Decision Support Systems for Sustainable Water Management on Semiarid Rangeland Watersheds
item Development of Alternative Practices for Improved Watershed Management
item Mechanistic Process-Level Crop Simulation Models for Research and on-Farm Decision Support
item Meat Goat Finishing Systems for Appalachian Small Farms
item Management of Cover Crops for Enhancement of High Value Cropping Systems
item Optimizing Nutrient Management to Sustain Agricultural Ecosystems and Protect Water Quality
item Crop and Soil Management Systems for Water Quality Protection and Agricultural Sustainability
item Crop Plant Tolerance to Ozone/drought-Induced Stress Vs. Antioxidant Synthesis and Redox Turnover
item Hydrologic Processes, Scale, Water Resources, and Global Change for Semiarid Watershed Management
item Scaling & Modeling Space-Time Variability of Landscape Processes to Enhance Management
item Generation and Mitigation of Particulate Emissions from Wind Erosion
item Integrated Farm and Ranch Management Decision Support System (Ifarm Dss)
item Air Quality and Wind Erosion Management and Technology
item Integrated Pest Management Strategies for Alaskan Agriculture
item Irrigated Crop Management Utilizing Remote Sensing
item Rearing and Release Technology for Biological Control & Sterile Insect Releases of Fruit Flies
item Postharvest Treatments for Quarantine Security and Quality Maintenance of Tropical Commodities
item Ecologically-Based Management of Field Crop Pests and Pests of Man and Animals
item Integrated Management and Ecology of Weed Populations in the Southeastern Coastal Plain
item Insect Genomic Biodiversity and Molecular Regulation of Diapause
item Biology, Control, and Areawide Management of Fruit Flies and Other Pests
item Biocontrol Organisms Databases and Assessments
item Biology and Control of Invasive Weeds in the Western Us
item Biologically-Based Technologies for Management Crop Insect Pests in Local and Areawide Programs
item Nutrient, Pesticide, and Water Management for Horticulture Crop and Water Quality Protection
item Irrigation and Drainage Water Management to Sustain Productivity and Protect Water Quality
item Weed Impacts and Other Physiological Stresses in Rice
item Area-Wide Management of Agricultural Pests
item Area-Wide Suppression of Fire Ant Populations in Pastures
item Areawide Pest Management Program for Russian Wheat Aphid and Greenbug
item Remote Sensing and Precision Irrigation to Improve Water Nutrient and Pesticide Use Efficiency
item Decision Support Tools and Databases for Optimal Management of Chemically-Affected Soils
item Salt and Trace Elements in Irrigated Systems: Processes, Predictions and Management
item The Ecological Areawide Management of Leafy Spurge
item Salinity and Trace Element Management in Irrigated Agricultural Systems
item Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California
item Alternatives to Chemical Control for Stored Product and Quarantine Pests of Fresh/dried Fruits and Nuts
item Sustainable Systems for Integrated Pest Management and Conservation & Enhancement of Natural Enemies
item Sustainable and Organic Management of Selected Fruits and Vegetables
item Risk Analysis and Post-Release Monitoring of Biological Control Agents of Saltcedar
item Integrated Water, Agrochemical and Crop Management Systems to Sustain Water and Soil Quality
item Biology, Ecology, and Management of Problem Weeds in Pacific Northwest Agro-Ecosystems
item Developing Integrated Weed and Insect Pest Management Systems for Efficient and Sustainable Sugarcane Production
item Developing Biological/ecological Knowledge for Enhancing Weed Management Systems
item Control of Perennial and Annual Weeds Umbrella Project
item Optimizing Irrigation Management for Humid Climates
item Classical Biological Control for Invasive Eurasian Weeds in Grazing Lands and Natural Areas
item Biorational Cereal Aphid Management
item Chemistry and Biochemistry of Insect Behavior, Physiology, and Ecology
item Entomopathogenic Fungi for Microbial Control of Greenhouse and Vegetable Pests
item Biorational Technologies for Colorado Potato Beetle and Corn Rootworm Control
item Improved Rearing Techniques for Insects Used in Biological Control of Insect and Weed Pests
item Minor Use Pesticides Umbrella Project
item Minor Use Weed Management
item Minor Use Pesticides - Food/ornamentals
item Herbicide Efficacy and Residue Studies in Pacific Northwest Minor Acreage Crops
item Pesticide Trials in Vegetable and Ornamental Cropsto Support the Ir-4 Program
item Foreign Exploration for Natural Enemies of Insects, Weeds, and Plant Pathogens
item Discovery, Biology & Ecology of Natural Enemies of Insect Pest of Crops, Urban & Natural Areas
item Continued Development of the Famu Science Center
item Population Biology of Agents Introduced for Biocontrol of Arthropod Pests and Weeds
item Management of Japanese Beetle and Other Beetles of Quarantine Significance in Nursery Crops
item Biological Control of Gypsy Moth and Other Tree Pests and Quarantine Service for Beneficial Insects
item Enhancement of the Activity of Microbial Agents for Biological Control of Insect Pests
item The Control and Biology of Insect Pests of Horticultural Crops
item Risk Assessment Associated with the Introduced Natural Enemies of Purple Loosestrife
item Discovery & Development of Biological Control Agents for Melaleuca, Lygodium & Other Weeds
item Classical Biological Control Insect Pests of Crops
item Magnitude of the Residue Analyses in Minor Crops from Experimental Applications of Pesticides
item Augmentation Biological Control of Insects and Weeds
item South American Biological Control Agents to Suppress Invasive Pests in the U.S.
item Evaluation and Characterization of Plant Pathogens for Biological Control of Weeds
item Water Quality Impacts of Best MGMT.PRACTICES and Conservation Buffers on Fields, Farms & Watersheds
item Area-Wide Pest Management of the Tarnished Plant Bug in Cotton in Absence of the Boll Weevil
item The Areawide Pest Management and Evaluation of Melaleuca Quinquenervia
item Areawide Integrated Pest Management of Fruit Flies in Hawaiian Fruits and Vegetables
item Combined Water Quality Initiative
item Biological Control of Exotic and Invasive Pests
item New Approaches for Insect Pest Management in Vegetable Crops
item Development of Biological Control and Ipm Technology for Exotic Insect Pests
item Biologically-Based Pest Management for Field, Greenhouse, and Orchard Crops
item Biochemistry of Insect Pests/predators/parasitoids to Enhance Biological Control
item Development of Precision Agricultural Systems for Cotton Production
item Biocontrol Through Artificial Rearing of Natural Enemies and Manipulation of Host Plant Resistance
item Management of Insect Pests of Ornamental Trees and Shrubs
item Internet-Based Information Resources for Invasive Species
item Analysis of Pest Control Residues in Crops for Ir-4 Minor Use Registration
item Development of Biologically Based Mechanisms of Control of Insect Pests of Fruit, Vegetable and Field Crops
item Surface Irrigation Water Quality and Management
item Management of Water Supplies for Irrigation
item Evaluating Water Quality Processes for Development of Risk Assessment and Decision Support Tools
item Field Testing of Minor Use Pesticides
item Minor Use Pesticide Testing on Vegetables and Sugar Crops
item Biology, Ecology, Sampling and Control of Whiteflies
item Ecologically-Based Pest Management Strategies for Western Cotton
item Residue Analysis of Minor Use Pesticides
item Control of Pathogens in Strawberry and Vegetable Production Systems
item Water Quality Improvement from Management Practices in Agricultural Watersheds
item Identification and Characterization of Pest Insect Immune Responses to Biological Control Agents
item Water Management and Quality for Improved Agricultural Ecosystems in Humid Regions
item Field Trials to Develop Data on Crop Protection Chemicals for Vegetable and Specialty Crops
item Agricultural Watershed Characterization and Evaluation
item Insect Viruses and Cell Culture: Biology and Technologies for Pest Control
item Biologically-Based Strategies for the Management of Sunflower Insect Pests
item Irrigation Management to Reduce Erosion and Improve Water Use Efficiency
item Narcotic Crop Control Strategies
item Biological Control of the Coffee Berry Borer
item Environmentally Sound Stream Corridor Rehabilitation and Management in Agricultural Watersheds
item Physiological Contributions of Augmentative Biocontrol of Whiteflies
item Sustainable Management Systems for Insect Pests of Shade Trees in the Mid-Atlantic Region
item Agroforestry Practices and Systems for Family Farms
item Integrated Analysis of Landscape Processes for the Management of Agricultural Watersheds
item Protection of Subtropical & Tropical Agriculture Commodities & Ornamentals from Exotic Insects
item Cropping Systems Management to Promote Economic and Environmental Sustainability
item Validation and Application of Erosion and Sediment Transport Models & Development of Water Quality Models in Support of Dec & USDA Agencies
item Develop Biological Control Techniques and Mass Rearing Technology for Beneficial and Pest Insects
item Prevention and Control Strategies for Stored-Product Insects
item Decision-Making Tools for Integrated Management of Stored-Product Insects
item Chemical Signals for Managing Insects
item Ecologically Based Management of Grasshoppers and Other Insect Pests in the Northern Great Plains
item Biological Control of Saltcedar and Other Exotic Rangeland Pests
item Management and Recycling of Drainage Waters for Water Quality Protection in the Midwest
item Alternatives to Methyl Bromide Soil Fumigation for Vegetable and Floriculture Production
item Improve Formulation Technology for Biocontrol Agents of Agricultural Pests
item Minor Use Pesticide Testing on Floral and Nursery Crops
item Coordination Activities for Research to Register Minor Use of Pesticides
item Irrigation Methods, Technology and Management for Increased Water Use Efficiency
item Engineering Measures for Rehabilitation of Flood Control Structures and Channels
item Weed Management and Revegetation in the Great Basin
item Water Management Evaluation in Regions with High Water Table
item Pest Biology, Ecology, and Integrated Pest Management for Sustainable Agriculture
item Development of Biological Control Agents for Weeds
item Alternatives to Methyl Bromide for Management of Soilborne Pathogens in Ornamental Crops
item Communications and Insect and Mite Taxonomic Services
item Systematics & Biology of Moths, Leafhoppers & Truebugs of Importance to Agriculture & Silviculture
item Systematics of Flies of Importance in Biological Control, Agricultural Crops and Forests
item Biology and Ecology of Crop Pests Emphasizing Areawide Suppression of Boll Weevil and Corn Earworm
item Beetle Systematics in Support of Agriculture Biological Control Urban and Forest Pest Mgmt.
item Systematics of Mites, Scales, Aphids, Thrips, Termites & Whiteflies of Agricultural Importance
item Systematics of Parasitic and Plant-Feeding Wasps of Agricultural Importance
item Nematode, Disease, Weed, Insect and Mite Control on Minor Food Crops and Ornamentals
item Develop Postharvest Chemical and Non-Chemical Mb Alternatives for Quality Maintenance of Fresh California Grown Commodities
item Sustainable Systems for Control of Soilborne Diseases in Tree Fruit Agro-Ecosystems
item Biological Technologies As Alternatives to Chemicals for Control of Soilborne Plant Pathogens
item Biology and Management of Secondary Pests of Cotton after Boll Weevil Eradication
item Management of Subtropical Fruit and Vegetable Pests Using Quarantine Alternatives
item Biological Control of Fusarium Wilt and Other Soilborne Plant Pathogenic Fungi
item Improving Efficacy of Fumigants by Promoting Uniform Dispersion in Soil and Minimizing Emissions to the Atmosphere
item Integrated Pest Management of Insects Affecting Corn, Cotton, Soybean, and Sweetpotato
item Chemically Based Methods As Alternatives to Methyl Bromide for Postharvest and Quarantine Pests
item Research/management of Insects and Tree Fruit
item Nonchemical Control of Insect Pests of Potatoes
item Control of Pecan Arthropod Pests
item Development of Biological Control and Related Technologies for Invasive Insect Pests with Emphasis on the Asian Longhorn Beetle
Program Teams
   Water Quality & Management (201)
   Air Quality (203)
   Integrated Farming Systems (207)
   Crop Protection & Quarantine (304)
   Methyl Bromide Alternatives (308) (co-leader)
   
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