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Library     Advanced Search   Research   Research Home   National Programs   International Programs   Research Projects   Scientific Quality Review   Research Themes       Research Research > Find ARS Research Projects Search by Keyword International Subject of Investigation Agave Agricultural supplies, general/other Air Alfalfa Almond Animal research, general Apple Apricot Aquatic plants Arboreta and botanical gardens 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 North Broadleaf forests of the South Butter Canola Carrot Cassava (or manioc) Castor Catfish Cheese Chemurgic Crops Cherry Citrus, general/other Clams and mussels Climate Cocoa Coffee Cole crops (includes cabbage, kale, broccoli, brussels sprouts, cauliflower, 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.) Crambe Cranberry Cross-commodity research--multiple animal species Cross-commodity research--multiple crops Cucumber Cucurbits, other (includes pumpkin, squash, gourd) Cultured aquatic animals, general/other Cuphea 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 Drainage and irrigation facilities and systems Durum wheat Edible tree nuts, general/other Egg-type chicken, live animal Eggplant Eggs Farm structures and related facilities Feed and feed additives Fertilizers Fiber crops, general/other Filbert Finfish Fish habitats Flax Florist crops, other Food (not readily associated with specific plant and animal products) Forage legumes, other 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, . Guayule Gums Hard red spring wheat Hard red winter wheat Hard white wheat Herbaceous perennials and decorative greens Herbs and spices Honey bees Hops Horses, ponies, and mules Houses (human residences), furniture, household equipment, non-textile Individuals (as workers, consumers, members of society) Insects International economy and sectors thereof Kenaf Kiwi Laboratory animals Land Leguminous vegetables, other Lemon Lentil Lesquerella Long fiber cotton Machinery and equipment Mango Marine shrimp Meat, beef cattle Meat, dairy cattle Meat, sheep Meat, swine Meat-type chicken, live animal Medicinal crops, non-narcotic 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 cultured finfish Other cultured shellfish Other dairy cattle products Other Pollinators Other poultry products Other products of the forest Other swine products Oysters Papaya 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 Rape Raspberry Red clover Remote sensing equipment and technology Research equipment and methods, general/other Rhizomes, tubers, bulbs, and root crops, general/other (for potato use 1310) Rice River basins Rubber, gum, and resin plants, other Rye Safflower Salmon Seeds and other plant propagules Sensory evaluation/analysis methods (human senses) 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 Structures, facilities, and equipment, general/other Sugar beet Sugar cane Summer annual grasses (includes forage sorghums, sudangrass, sorghum- Sunflower Sweet potato Sweetcorn Swine, general/other Swine, live animal Table grapes The family and its members Tilapia Tomato Trees, forests, and forest products, general Trefoil Tropical forests Tropical/subtropical fruit, general/other Trout 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 Wildlife and natural fisheries, general/other Wildlife habitats Wine grapes Winter annual grasses (includes annual ryegrass) Winter annual legumes (includes subterranean clover, arrowleaf clover) Wood and wood products Wool fiber Water resources A Decision Support System for on-Farm Composting A Method for Disaggregating Nass State Yield Estimates to County and Agriculture Statistics District Yields Using Modis Imagery A Model of Arundo Donax Growth and Phenology Using the L-System Protocol Accounting for Effects of Subpixel Variability on Regional Atmospheric and Flux Estimate Using Large Eddy Simulations with Terra and Aqua.. Acoustic Techniques in Support of Soil Resource, Stream Flow, and Sediment Transport Management Agricultural Productivity and Water Use: Effects of Global Change Agroforestry Practices and Systems for Family Farms Air and Water Quality Assessment in Coastal Ecosystems Alternate Flooding and Draining to Enhance Nitrification in Marsh-Pond-Marsh Constructed Wetlands to Treat Swine Wastewater Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California Animal Waste Management Research Application of Computer-Aided Farm Decision Support Sytems at the Farm-Level Application of Geographic Information Systems to Agricultural Management Apply and Enhance the Object Modeling System (Oms) for Building New Models for Field, Farm, and Watershed Scales Aquatic Weed Management Assess Levels of Pathogenic E. Coli in the Anacostia and Potomac Rivers Assess the Potential of Acid Mine Drainage (Amd) Treatment Residuals to Reduce Phosphorus (P) Loss from Soils and Manure Assessing Effectiveness of Alum Treatment and Wetland Best Management Practices for Stormwater Management Assessing Nutrient Losses, Emissions, and Pathogen Transport from Manure Application and Animal Production Sites in the Western U.S. Assessing Reservoir Sedimentation Issues in Mississippi Assessing Triscan® for Simultaneously Measuring Soil Water and Salinity under Humid and Intermittent Rainfall Conditions Assessment of Levee Protection Techniques Against Erosion by Wave Action Assessment of Natural Resource Conservation Practice Effectiveness Within the Choptank River Watershed Assessment of the Effectiveness of Conservation Practices in Selected Subwatersheds in the Yazoo River Basin Best Management Practices Research for Enhancements Within Agnps Biocontrol of Melaleuca Quinquenervia in Southern Florida Biological Buffers for Improving Water Quality in Agricultural Landscapes Biological Control for Sustainable Management of Aquatic Weeds and Other Invasive Plants Biological Control of Invasive Species Biological Control of Lygodium Biological Control of Saltcedar and Perennial Pepperweed Biological Control of Salvinia Molesta and S. Minima in the Southeastern United States Biological Control of Skunkvine Biological Control of Waterhyacinth in California Biological Control of Weeds Biological Control of Weeds Research in Nepal Biological Control of Weeds Which Are Endemic to Australia & Southeast Asia, & Invasive to the U.S. Biological Control Research Overseas on Agents of Melaleuca Biologically-Based Integrated Management of Invasive Aquatic and Riparian Weeds Biology and Control of Invasive Weeds in the Western Us Bioremediation Systems to Treat Nursery Runoff Carbon Management Policy at the State Level: Carbon Dynamics at Site, Landscape, and Regional Scales for Arizona State Lands Carbon Storage in Terrestrial Ecosystems Ceap Special Emphasis Watershed - Idaho Upper Snake Rock Watershed Assessment Study Characterization of Stream Morphology and Sediment Yields for Watersheds in Mississippi Characterization of Stream Morphology and Sediment Yields for Watersheds in Mississippi Chemistry and Gaseous Loss of Nitrogen in Different Soils and Production Systems Chief Editor for Ams Journal of Hydrometeorology Climate, Watershed and Streamflow Processes in Theintermountain West Climatological Analysis As a Tool for Agricultural Decision Making in Dry Areas Column Studies of Effect of Irrigation with Sewageeffluent on Groundwater Combined Water Quality Initiative Combining Large Eddy Simulation with Remote Sensing for Evaluating ...on Evapotranspiration Combining Remote Sensing and Energy Flux Measurements for Evaluating the Influence of Land Surface Heterogeneity on Evapotranspiration Comparison of Surface Irrigation Measurement-Based Infiltration Parameter Estimation Methods Comprehensive Systems for Managing Nutrient Flows and Gaseous Emissions in Relation to Dairy Manure Conservation Production Systems for Improved Profitability and Soil Quality Coordination and Cooperation with European Union on Embankment Failure Analysis Cotton and Corn Growth and Yield As Affected by Soil Nutrient Balance Strategies Criteria for Design of Grassed Waterways and Diversions Crop and Soil Management Systems for Water Quality Protection and Agricultural Sustainability Crop Sensor-Based Nitrogen Management to Protect Water Quality Cropping Systems and Land Management in Dryland Pacific Northwest Decision Support System for Potato Production/management Prescriptions under Irrigated Production Conditions Decision Support Tools and Databases for Optimal Management of Chemically-Affected Soils Detailed GIS Land Use Map for Miami-Dade County, Florida Detection of Catfish off-Flavor Compounds by Canine Olfaction Detection, Control and Eradication of Caulerpa Taxifolia Determining Atmospheric Deposition Fluxes of Pesticides to the Northern Delmarva Peninsula Determining Evapotranspiration of Crops on Saline Soil in the Presence of Shallow Saline Groundwater Develop a Library of Computer Software Routines for Spatial Visualization and Geodata Processing Develop Sustainable and Flexible Dryland Cropping Systems and Management - Decision Support Technology for the Great Plains Developing Biofuel and Se-Enriched Forage from Canola Irrigated with Se-Laden Drainage Waters on the Westside of Central California Developing New Methods to Predict the Fate of Agrochemicals in the Chesapeake Bay Watershed Development & Compilation of Conservation & Farming Practices & Landscape Features Data Sets for the Acwf Source Water Protection Res. Proj. Development and Testing of Software to Predict the Subsurface Transport of Agricultural Chemicals Development of Acoustic and Seismic Technology to Characterize Soils, Assess Water Content, and Otherwise Reduce Production Costs Development of Alternative Practices for Improved Watershed Management Development of Cropping Systems for Preplant Methyl Bromide Alternatives for Strawberries in CA Development of Databases for Modeling Corn and Potato Development of Decision Support Modules to Reduce Ammonia Losses and Improve Nitrogen Management on Dairy Farms Development of Documentation Plans for Rusle2 Science Component Development of Ecologically-Sound Pest, Water and Soil Management Strategies for Northern Great Plains Cropping Systems Development of GIS for Environmental Quality Modeling Development of Guidelines for Fertigation in Surface Irrigation Systems Development of Integrated Spartina Alterniflora Control Strategies Development of Integrated Spartina Alterniflora Control Strategies Development of Internet-Based Java Client GIS Interface and Related Nleap Server Development of Levee Embankment Erosion Protection Techniques for Highly Erosive Delta Soils Development of Models for Water Quality Management and Resource Assessments Development of Molecular Diagnostic Tools for Characterization of Fluridone-Degrading Microorganisms Development of Real-Time Sensor-Based Control System for Center Pivot Irrigation Development of Web Pages, Tech. Transfer Materials for the Lower Ms River Valley Iniative, Agr. Drainage MGMT., Watershed Bmp Projects Development of Web Pages, Technology Transfer Materials for the Lower Ms River Valley Initiative, Agr Drainage Mgmt, Watershed Bmp Projects Discovery & Development of Biological Control Agents for Melaleuca, Lygodium & Other Weeds Diverse Cropping Systems for the Northern Great Plains Dryland Cropping Systems Management for the Central Great Plains Effect of Redox, Ph and Microbes on the Survival of Bullrush in a Constructed Wetland Treatment System for Sewage Effluent Effective Management and Safe Use of Waste from Poultry and Swine Production Effects of Snowdepth and Vegetation Density Variability on Stream Flow Generation Efficient Nutrient Use in Manure-Amended Cropping Systems Efficient, Safe Utilization of Poultry Litter Phosphorus Elucidation/environmental Parameters Controlling Vertical and Surface Transport of Pathogens Engineering Measures for Rehabilitation of Flood Control Structures and Channels Enhancement of the USDA Agnps and Concepts Modeling Systems in Support of the NRCS Special Emphasis Ceap Watershed Project in California Enhancing Precision Agriculture's Utility and Profitability Enhancing Soil-Water-Nutrient Processes in Southern Piedmont Pasture and Crop Systems Enhancing Yellow Starthistle Biological Control in the Field Eo-1 and Landsat Inter-Satellite Comparison at Two Established Arizona Field Sites Erosion & Water Quality Evaluations for Watershed Landscape Utilizing Ephemeral Gully Research Estimating Snow Deposition and Melt over Complex Topography Evaluate the Feasibility of Adopting Precision Farming Technology Evaluating Gpfarm Usage by Members of the Colorado Association of Wheat Growers Evaluating the Biological Control of Salvinia Molesta by Cyrtobagous Salviniae Evaluating Water Quality Processes for Development of Risk Assessment and Decision Support Tools Evaluation and Application of Hydrolic Model in South Florida Evaluation and Application of Hydrolic Model in South Florida Evaluation and Management of Phosphorus in the Town Brook Watershed: Bmp Implementation and Evaluation Evaluation of Carbon Sequestration Potential of Prairie Pothole Wetlands Evaluation of Crop Yield Variability Across Crop Production Fields in Central Iowa Evaluation of Crop Yield Variability Across Crop Production Fields in Central Iowa Evaluation of Environmental Superior Technology: Full-Scale Swine Waste Treatment System Evaluation of Management Practices on Water Quality Within Walnut Creek Evaluation of Nitrogen Response in Production Fields Across Soil Management Zones Evaluation of Tillage-Crop Production Interactions on Corn-Soybeans and Environmental Quality Extended Validation of Amsr-E Soil Moisture Products Fate & Transport of Nutrients in Agricultural Systems As Affected by Soil & Nurtient Management Field Evaluation and Improvement of a Range-Livestock Decision Support Model Field Response of Lettuce Yield to Soil Salinity Field Scale Evaluation of Nitrogen, Carbon, Soil Water, and Crop Growth Interactions Field Studies to Confirm Uncertainty Estimates of Groundwater Recharge Fine-Sediment Transport to Lake Tahoe from Stream-Channel Erosion Geochemical Factors Influencing Reservoir Sediment Quality Geostatistical Analysis of Sediment Characteristics in Reservoirs Global Change Research Groundwater Recharge and Wastewater Irrigation to Protect Crops and Groundwater Headquarters Cooperative Programs - Natural Resources and Sustainable Agricultural Systems (Nr&sas;) Hydrologic Implications for Management of Phosphorous in the Town Brook Watershed Hydrologic Processes, Scale, Water Resources, and Global Change for Semiarid Watershed Management Hydrosphere State Satellite Mission Science and Algorithm Development Identification of Critical Source Areas of Flow and Contaminants in Agricultural Watershed Ifarm Dss Risk Analysis Module Development Impact of Field-Scale Heterogeneity in Surface MOISTURE..MODELING and Remote Sensing Perspectives Impact of Land Use on Hydrologic and Environmental Processes for Watersheds in the Coastal Plain Impact of Msea on the Ecology of Mississippi Delta Watersheds and Oxbow Lakes Impacts of Biological Control on Population Dynamics of Melaleuca in Different Habitats: Combining Experimental Data W/population Projection Implications of Using Corn Stalks As a Biofuel Source Implications of Using Corn Stalks As Biofuel Source Improved Animal Manure Treatment Methods for Enhanced Water Quality Improved Forages and Management Strategies for Phytoremediation and Water Quality Protection Improving Erosion Prediction to Enhance Soil and Water Quality Improving Flood Forecasts Through the Integration of Aqua Satellite Observations with a Macro-Scale Hydrologic Model Improving Irrigation Scheduling for Reducing Drainage Water in the San Joaquin Valley Improving Irrigation Scheduling for Reducing Drainage Water in the San Joaquin Valley Improving Salt Tolerance in Small Grain Crops Using Physiological Approaches Improving Soil and Nitrogen Management Systems for Sustaining Land and Water Quality Improving Soil, Water, and Nutrient Management in Cropping and Integrated Crop-Livestock Systems Influence of Protein and Phosphorus Nutrition of Beef Calves on Metabolism and Ammonia Emissions Influence of Sub-Grid Variability on Snow Deposition and Ablation in North American Mountain Environments Influence of Sub-Grid Variability on Snow Deposition and Ablation in North American Mountain Environments Influence of Sub-Grid Variability on Snow Deposition and Ablation in North American Mountain Environments Integrated Analysis of Landscape Processes for the Management of Agricultural Watersheds Integrated Approaches to Sustainable Cropping Systems Integrated Beef Cattle and Cropping Systems for the High Plains Integrated Bmp's for Cotton Production to Meet Tmdl Standards for Water Quality Integrated Drainage Management and Flood-Tolerant Cropping Systems for Humid Areas Integrated Effects of Management, Land Use and Climate on Regional Water Resources Integrated Farm and Ranch Management Decision Support System (Ifarm Dss) Integrated Management Regimens That Minimize the Environmental Impact of Livestock Manure Integrated Manure Management on Dairy Farms for Conservation of Natural Resources and Profitability Integrated Regional Sediment Management: Yalobusha River System Integrated Water, Agrochemical and Crop Management Systems to Sustain Water and Soil Quality Integrating Production and Conservation Practices to Maintain Grass Seed Farm Profits Integrating Remote Sensing, Climate and Hydrology for Evaluating Water, Energy and Carbon Cycles Integration of Climate Forecasts into Management and Resources Conservation Tools Integration of Conservation and Economic Planning Tools Integration of Res. Info. into a Decision Support System for Resource Conservation & Water Quality Integration of Research Info into Decision Supportsystem for Resource Conservation & Water Quality Intergrating Nasa Earth Sciences Enterprise Data into Global Agricultural Decision Support Systems Intergration of Remotely Sensed Snow Coverage Extent Measurements with a Snowmelt Runoff Model Invasion of South Florida Natural Plant Communities by Lygodium Microphyllum Inventory Component of the Areawide Program for Melaleuca Quinquenervia Investigating the Factors Affecting the Fate and Transport of Agricultural Fumigants Investigation of Nutrient Loss Mechanisms from Land-Applied Poultry Litter Investigations for Identification and Development of New Biological Control Organisms for the Aquatic Weed Hydrilla Irrigated Crop Management Utilizing Remote Sensing Irrigated Crop Rotation, Tillage and Nitrogen Impacts on Net Greenhouse Gas Storage Irrigated Desert Research in the Imperial Valley of California Irrigation and Drainage Water Management to Sustain Productivity and Protect Water Quality Irrigation Management Information System (Imis) Program for Efficient Water Use in Israel and the Middle East Irrigation Management Information System (Imis) Program for Efficient Water Use in Palestine and the Middle East Irrigation Management Information System Program in Jordan and the Middle East Irrigation Management Information Systems (Imis) Program for Efficient Water Use in the Middle East Irrigation Management to Reduce Erosion and Improve Water Use Efficiency Irrigation Method and Substrate Composition for Nutrient and Water Use Efficiency for Containerized Nursery Crops Irrigation Methods, Technology and Management for Increased Water Use Efficiency Irrigation Systems and Precision Mgmt Strategies to Conserve Water and Protect Water Quality Laboratory & Field Investigations of the Processes Affecting Phosphorus Speciation & Dynamics in Grasslands Fertilized with Animal Manures Land Management Practices to Enhance the Physical, Chemical and Biological Traits of Cold, Wet Soil Landscape Indicator Interface with Hydrologic and Ecologic Models Linkage of the Usda-Eagh Model with the Regional Simulation Model (Rsm) Lygodium Biological Control Management and Recycling of Drainage Waters for Water Quality Protection in the Midwest Management of Grassland and Pasture in Appalachia for Sustainable Forage and Livestock Production Management of Invasive Aquatic Weeds in the Sacramento Delta Management of Irrigated Desert Environments in Imperial Valley California Management of Local Scour for Stream Rehabilitation in Agricultural Watersheds Management of Vegetated Riparian Stream Corridors Management of Water Supplies for Irrigation Managing Crop Production in Semi-Arid Climates with Variable Water Sources and Amounts Managing Microbial Processes of Soil Subsidence in Histosols for Sustainable Sugarcane Yield Mechanistic Process-Level Crop Simulation Models for Research and on-Farm Decision Support Mechanistic Process-Level Crop Simulation Models for Research and on-Farm Decision Support Middle Eastern Flora Plant Extracts As a Resource of Safe Bio-Acricides for Management of Field Pests in Agriculture Minimizing Air and Water Contamination from Agricultural Pesticides Minimizing Drainage Flow from a Subsurface Drain on the West Side of the San Joaquin Valley Model Abstraction Techniques for Soil Water Flow and Transport Modeling Ephemeral Gully Erosion in Upland Areas Modeling Ephermeral Gully Erosion on Agricultural Landscapes Modeling Surface and Subsurface Water Flow and Soil Water Balance in South Florida Molecular Systematics and Diagnostics for Parasites of Food and Food Animals Monitoring and Evaluating Streamflow in Experimental Watersheds in Central Oklahoma Monitoring and Evaluation of Irrigation Practices in the Mid-Atlantic Region Monitoring Ground Water Quantity and Quality in South Florida Monitoring Ground Water Quantity and Quality in South Florida Monitoring, Assessment and Modeling of Forage production under Matric and Osmotic Stress Multi-Objective Grazing Management in the Southwest United States & Northern Mexico Nat'l Inventory Devel. and Assess, of Soil-Atmos Pheric Exchg of N20,nox & Ch4 Oxid. in Us Ag Soils Natural Science Scholarship Program Nitrogen and Phosphorus Transport under Surface Irrigation Nitrogen Management Associated with Using Corn Stalks As a Biofuel Source Nleap Computer Modeling Nutrient, Pesticide, and Water Management for Horticulture Crop and Water Quality Protection On-Farm Soil Salinity and Groundwater Assessment of the Yuma, AZ Area for Evaluation of Crop Yield Losses On-Field and Edge-of-Field Best Management Practice Efficiency for Water Quality Enhancement Operation and Maintenance of the ARS Micornet Optimizing Nutrient Management to Sustain Agricultural Ecosystems and Protect Water Quality P Feeding Programs for Dairy Cows: Impacts on Manure Composition, P Runoff, Farm Sustainability P Feeding Programs for Dairy Cows: Impacts on Manure Composition, P Runoff, Farm Sustainability Pathogen Transport and Dissemination from Manure Pathogenic Bacteria Breakthrough in Soils As Affected by Physical Meterogeneity Performance Evaluation for Subsurface Drainage Installation Equipment Phosphorus Nutrient Profiles and Speciation on Soils Heavily Fertilized with Poultry Litter Physically-Based Conceptual Enhancements of the USDA Agnps and Concepts Modeling Systems Precision Agricultural Irrigation Systems, Tillage and Residue Management Technologies in the Northern Great Plains Precision Farming and Site-Specific Management to Protect Water Quality Precision Irrigation Technologies for the Agricultural Industry Preliminary Evaluation of Sediment Transport Data for Clean Sediment Tmdl's Processes Controlling Phosphorus Transport in Riverine Systems Processes, Control, and Prediction of Erosion and Runoff on Upland Areas in Agricultural Watersheds Production of Floriculture Crops Using Saline Wastewaters, Run-off and Recycled Greenhouse Effluents Promoting Development of Biological Control Agents for Cape Ivy, a South African Vine Threatening California's Natural Areas Prototyping Value-Added Eos Data for Rangeland Management and Assessment Quantify Management Effects on Water Quality and Crop Production in Midwest Using Rzwqm Quantifying Environmental Hydrology to Mitigate Detrimental Chemical Fluxes Quantifying Field Scale Evapotranspiration Using Adisaggregation Approach with Remote Sensing Quantifying Space-Time Variability in Agricultural Landscapes Quantifying the Water Needs of Vegetation Within the San Pedro Riparian National Conservation Area Rangeland Responses to Management and Global Change Redistribution of Melaleuca Weed Biological Control Agents and Development of New Agents for Lygodium and Various Weed Species Reducing Nitrate Contamination to Surface Waters from Artificially Drained Soils Reducing Nitrate Levels in Subsurface Drain Water with Organic Matter Incorporation Relationship of Water/sediment Quality to Occurrence and Abundance of Harmful Algal Species Relationships Between Cropping Sequences and Irrigation Frequency under Self-Propelled Irrigation Systems in the Northern Great Plains (Ngp) Release, Establishment, and Evaluation of Biological Control Agent to Manage Exotic Salvinia at the Barataria Preserve Remote Sensing & Precision Irrigation Technologies to Improve Water, Fertilizer and Pesticide Use Remote Sensing and GIS for Improved Characterization of Landscapes for Hydrologic Modeling and Estimation of Soil Moisture Remote Sensing and Precision Irrigation to Improve Water Nutrient and Pesticide Use Efficiency Remote Sensing Technology for Management of Irrigation and Potentially Salt-Affected Soils Remote Water Pumping and Electric Power Generation with Renewable Energy Research and Development in Meteorological and Snow Sensing Instrumentation, Snowmelt Hydrology, and Hydrologic Modeling Research to Address Environmental Problems Faced by the U.S. Dairy Industry Restoring Degraded Stream Corridors Using Woody, Riparian Vegetation: An Experimental Study Review of Carbon Sequestration in Cotton Systems Role of Soil Nematodes in Vectoring Pathogenic Bacteria to Fruits and Vegetables Roller-Compacted Concrete Stepped Chute Research Proposal Rotation of Pastures with Crops to Achieve Productivity and Environmental Quality Rotation of Pastures with Crops to Achieve Productivity and Environmental Quality Salinity and Trace Element Management in Irrigated Agricultural Systems Salinity Assessment for Yuma Area, Lower Colorado River Region Salt and Trace Elements in Irrigated Systems: Processes, Predictions and Management Saltcedar Biological Control San Pedro Riparian Evapotranspiration Scaling & Modeling Space-Time Variability of Landscape Processes to Enhance Management Scaling of Hydrologic Processes Screening and Implementation of Melaleuca Biological Control Insects Search and Evaluation of Biological Control Agents and Ecology of Some Invasive Plants in the Southeastern U.S. Sediment Transport Rates and Sources in Reference and Impacted Watersheds for Developing Clean-Sediment Tmdls Simulation and Validation of Phosphorus Loading in Furrow Irrigation Tailwater Small Wind Systems for Water Pumping and Electric Generation Smex 03 Snow Remote Sensing Socio-Economic Component of the Areawide Program for Melaleuca Quinquenervia Socio-Economic Research for the Areawide Program for Melaleuca Quinquenervia Software and Database Development for the Utilization of Agnps 98 Software and Database Development for the Utilization of USDA Watershed Models Software Tool to Delineate Hydrologic Flows into and from Wetlands Soil and Crop Management for Resource Conservation in Mexico and the Southern United States Soil and Crop Management Systems for Efficient Water Use Soil Drainage Research Soil Erosion Processes, Measurements, and Models Soil Erosion, Sediment Yield and Decision Support Systems for Sustainable Water Management on Semiarid Rangeland Watersheds Soil Moisture Algorithm Application and Validation Using Amsr Soil Moisture Experiment 2004 and the North American Monsoon Experiment Soil Moisture Modeling Soil Moisture Modeling II Soil Moisture Remote Sensing Experiments Soil Moisture Retrieval Using Two Dimensional Synthetic Aperture Radiometer Soil Resources in the Coastal Plain: Process Characterization, Management Impacts & Assess. Tools Soil/site Stability and Sustainable Rangeland Ecosystems Spatial GIS Hydrologic Modeling, Riparian Water Use and Decision Support Tools Stream-Bottom Deposits for Large Southwest Rivers in the Context of Developing Protocols for Tmdl's Studies of Combined Passive and Active Soil Moisture Sensing Supplemental Se Supplied As High Se Broccoli Grownunder Field and Greenhouse Conditions Surface Irrigation Water Quality and Management Survival of Bullrush in a Constructed Wetland Treatment System for Sewage Effluent As Affected by Redox, Ph and Microbes Sustainability of Soil Resources in Weed and Crop Management Systems in Mid South Agriculture Sustainable Crop and Soil Management Systems for Dryland Pacific Northwest Agriculture Sustainable Potato Cropping Systems for Irrigated Agriculture in the Pacific Northwest Sustainable Soil and Crop Management Systems for Clay Soils Sustaining Agriculture and Wildlife Beyond the Riparian Corridor Sustaining Rural Economies Through New Water Management Technologies Sustaining Rural Economies Through New Water Management Technologies - Ksu Sustaining Rural Economies Through New Water Management Technologies - Tamu Sustaining Rural Economies Through New Water Management Technologies - Ttu Sustaining Rural Economies Through New Water Management Technologies - Wtamu Systems and Technologies for Sustainable Site-Specific Crop Management Tahoe Framework Stream Erosion Study Taxonomy and Ecology of Cyrtobagous Salviniae Technical Support and Climate Data Evaluation of Rusle2 Technology Transfer Component of the Areawide Program for Melaleuca Quinquenervia Technology Transfer of Computer Software for Modeling Subsurface Contaminant Transport Testing and Improvement of Renewable Energy Technologies for Agricultural Applications Testing Decision Support Systems at the Small Farm Level The Effects of Landscape and Carbon on Denitrification in the Mississippi Delta The Geomorphology of Bank Stability Processes in Incised Channels, and Related Management (Issues) The Object Modeling System (Oms): An Advanced, Object Modeling Computer Technology Framework for Natural Resources Conservation Planning The Production of Educational and Extension Materials for Salvinia Molesta Tmi Soil Moisture Pathfinder Data Study Toxic Anion Chemical Transport and Management Twin Otter Measurements in Smacex (Soil Moisture Atmosphere Coupling Experiment), a Part of Smex02 (Soil Moisture Experiment in 2002) Upper Auglaize Watershed Agnps Modeling Project Use of Wetland Systems to Treat Nursery Runoff Using Laser Imaging Data and Ranging (Lidar) to Delineate Watershed Characteristics Utilization of Annagnps for Ldeq Watershed Implementation Plans Validation & Application of Erosion and Sediment Transport Models & Development of Water Quality Models in Support of Dec and USDA Agencies Validation and Application of Erosion and Sediment Transport Models & Development of Water Quality Models in Support of Dec & USDA Agencies Validation of Estar Soil Moisture Measurements in the Sgp99 Experiment Validation of Satellite Estimates of Soil Moisture in the Southern Great Plains Water Management and Quality for Improved Agricultural Ecosystems in Humid Regions Water Management Evaluation in Regions with High Water Table Water Quality Criteria for Irrigation in a Rain- irrigation Sequence Water Quality Impacts of Best MGMT.PRACTICES and Conservation Buffers on Fields, Farms & Watersheds Water Quality Monitoring from An Intensively Managed Watershed Scale Turfgrass System in Duluth, MN Water Quality Protection in Irrigated Cropping Practices and Systems Watershed Management Systems for Improved Water Quality in the Mississippi Delta Watershed Research, Assessment and Stewardship Project (Wrasp) Whole Farm Management of Animal Wastes and Other Agricultural Effluents Willow Slough Watershed Rangeland Stewardship Program Wind-Biodiesel Hybrid Electric Power Generation Winter Cover Crop and Small Grain-Potato Rotations Practices     Latest News   Revegetating Rangeland With Se   New Issue of ARS Food & Nutrition Research Briefs Posted   Research Aims to Improve Fertigation for Farmers   Plans & Reports   USDA Research, Education, and Economics Task Force Report   Moisture in Cotton Bales   Annual Performance Report   Big Picture of ARS Research   Strategic Plan Related Links   Manuscripts (TekTran)   Publications for Sale by GPO   Publications for Sale from National Technical Information Service   See Also: Federal Depository Libraries   Hall of Fame     ARS Home |  USDA |  Home | About Us | Research | Products & Services | People & Places  | News & Events | Partnering | Careers | Contact Us | Help | Site Map |  Freedom of Information Act |  Statements & Disclaimers |  Employee Resources |  FirstGov |  White House