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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 Soil A Method for Disaggregating Nass State Yield Estimates to County and Agriculture Statistics District Yields Using Modis Imagery A Practical Study on Foundry Sand: Literature Review, Inventory, Blending Guidelines, and Interaction with Nursery Industry Representatives 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 Air and Water Quality Assessment in Coastal Ecosystems Air Quality and Wind Erosion Management and Technology Air Quality Associated with Agricultural Operations (Sdl) Alternatives to Methyl Bromide for Strawberry Ornamental, Vine, and Tree Crop Systems in California Amount, Timing, and Quality of Water Coming from Managed (Controlled) and Unmanaged Drainage Systems in Illinois Animal Waste Management Research Application of Computer-Aided Farm Decision Support Sytems at the Farm-Level Application of Geographic Information Systems to Agricultural Management Application of Municipal Solid Waste & Effects on Soil & Vegetation Characteristics Apply and Enhance the Object Modeling System (Oms) for Building New Models for Field, Farm, and Watershed Scales Assessing and Using Soil Quality to Guide Sustainable Land Management 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. Assessment of the Effectiveness of Conservation Practices in Selected Subwatersheds in the Yazoo River Basin Assessment of the Emission and Dispersion of Gases and Particulates from Agricultural Operations Atmospheric Processes of Agricultural Pollutants That Affect Air and Water Quality Bioavailability and Geographic Distribution of Nutritionally Important Elements in Crops & Soils Biogeochemical Processes Influencing Soil Structure and Organic Carbon Sequestration Biological and Chemical Disease Control and Development of Agronomic Systems for Cacao and Alternative Crops Biological Buffers for Improving Water Quality in Agricultural Landscapes Bioremediation Systems to Treat Nursery Runoff Carbon Dioxide Exchanges in Midwest Cropping Systems Carbon Dioxide Fluxes on Grasslands Carbon from Communities: a Satellite View Carbon Management Policy at the State Level: Carbon Dynamics at Site, Landscape, and Regional Scales for Arizona State Lands Carbon Storage in Co2-Enriched Plant Systems: below Ground Processes Carbon Storage in Terrestrial Ecosystems Ceap Special Emphasis Watershed - Idaho Upper Snake Rock Watershed Assessment Study Changes in Nutrient Transformation and Utilization, and Sugarbeet Yield and Quality Following Manure and Composted Manure Application Characterization & Remediation of Potential Trace Element & Phosphate Risks from Contaminated Soils Characterization of Toxic Impacts on Living Resources in Tidal River of the Chesapeake Bay Characterization, Management and Monitoring of the Shortgrass Steppe Rangeland Ecosystem Charge Carriers in Frequency-Dependent Electrical Conductivity of Smectites Chemistry and Gaseous Loss of Nitrogen in Different Soils and Production Systems Chief Editor for Ams Journal of Hydrometeorology Collaborative Work with Iita for Subsaharan Africa Crop Improvement Colorado Crp Research Project: Carbon, Water and Land-Use in Conservation Reserve Program Lands of the Shortgrass Prairie Column Studies of Effect of Irrigation with Sewageeffluent on Groundwater Combined Water Quality Initiative Comparison of Surface Irrigation Measurement-Based Infiltration Parameter Estimation Methods Comprehensive Systems for Managing Nutrient Flows and Gaseous Emissions in Relation to Dairy Manure Conversion of Animal Biosolids to Value-Added Products Cooperative Ecosystem Studies Between Uga, NRCS and USDA-ARS Cotton and Corn Growth and Yield As Affected by Soil Nutrient Balance Strategies Cover Cropping Practices to Improve Weed and Fertility Management in Organic Production Systems Crop and Livestock Production Systems for Improved Stewardship and Profitability Crop and Soil Management Systems for Water Quality Protection and Agricultural Sustainability Crop Improvement for Use in Sub-Saharan Africa Crop Sensor-Based Nitrogen Management to Protect Water Quality Cropping Systems and Land Management in Dryland Pacific Northwest Cropping Systems Management to Promote Economic and Environmental Sustainability Cultural and Biological Alternatives to Methyl Bromide Fumigation of Strawberries Decision Support System for Potato Production/management Prescriptions under Irrigated Production Conditions Decision Support Tools and Databases for Optimal Management of Chemically-Affected Soils Determining Atmospheric Deposition Fluxes of Pesticides to the Northern Delmarva Peninsula Determining Atmospheric Loadings of Agrochemicals and Other Organic Pollutants to the Everglades and the Greater South Florida Basin Determining Evapotranspiration of Crops on Saline Soil in the Presence of Shallow Saline Groundwater Determining Spatial Soil Properties by Objective Parameterization of the Ceres-Maize Model Develop a Library of Computer Software Routines for Spatial Visualization and Geodata Processing Develop Improved Conservation Production Systems Develop Sustainable and Flexible Dryland Cropping Systems and Management - Decision Support Technology for the Great Plains Developing and Transferring Science in Support of Agroforestry Practices 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 Developing Sustainable Crop and Animal Production Systems Suitable for the Southeast Development and Evaluation of a Producer Decision-Aid for Delineating Productivity Management Zones for Precision Agriculture Development and Evaluation of Biological Treatment Systems for Animal Manure Development and Testing of Software to Predict the Subsurface Transport of Agricultural Chemicals Development and Testing of Watershed Scale Drainage Water Management Models Development and Validation of Soil Measurement Devices 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 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 Internet-Based Java Client GIS Interface and Related Nleap Server 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 Diverse Cropping Systems for the Northern Great Plains Dryland Cropping Systems Management for the Central Great Plains Ecological and Management Research on the Shortgrass Steppe Economic Growth and Agricultural Development with the African Bureau Effective Management and Safe Use of Waste from Poultry and Swine Production Effects of Burning on Plant Species Comp. after Aphthona Spp Colonization & Control of Leafy Spurge Effects of Humic Substances on Germination and Growth of Native and Introduced Grass Varieties 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 Embrapa/usda-Ars Cooperation in Agricultural Research and Scientific Exchanges. Enhancement of Agricultural System Models in Agronomic Research and Technology Transfer Enhancing Precision Agriculture's Utility and Profitability Enhancing Soil-Water-Nutrient Processes in Southern Piedmont Pasture and Crop Systems Enhancing Sustainability Through Conservation Cropping Systems for Pnw Agroecosystems Eo-1 and Landsat Inter-Satellite Comparison at Two Established Arizona Field Sites Establish a General Framework for Cooperation and Coordination of Rangeland Research Having Regional Or National Application Estimation of Particulate Emission by Wind Erosion from the Indiana Harbor Confined Disposal Facility(cdf) Evaluate the Feasibility of Adopting Precision Farming Technology Evaluating Gpfarm Usage by Members of the Colorado Association of Wheat Growers 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 Nitrogen Response in Production Fields Across Soil Management Zones Evaluation of Organic Amendments and Forage Systems to Reduce High Soil P Evaluation of Soil Microbiological Response to Removal of Corn Stalks As a Biofuel Evaluation of Tillage-Crop Production Interactions on Corn-Soybeans and Environmental Quality Factors Contributing to Persistence of Herbicides and Strategies for Reducing off-Target Impacts Fate & Transport of Nutrients in Agricultural Systems As Affected by Soil & Nurtient Management Feasibility of Establishing Mixed Tropical Tree Crops and Cropping Systems Feed and Manure Management on Dairy Farms 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 Gaseous Emissions from Animal Feeding Operations Generation and Mitigation of Particulate Emissions from Wind Erosion Global Change and Belowground Processes in Agricultural Systems Global Change Research Grazing Management Strategies for Sustainable Rangelands Green Manure Effects on Soil-Borne Diseases in Sugarbeet Cropping Systems Headquarters Cooperative Programs - Natural Resources and Sustainable Agricultural Systems (Nr&sas;) High Plains Free Air Co2 Enrichment Project Hydrologic Implications for Management of Phosphorous in the Town Brook Watershed Hydrologic Processes, Scale, Water Resources, and Global Change for Semiarid Watershed Management Identification of Critical Source Areas of Flow and Contaminants in Agricultural Watershed Identifying Physical Parameters and Processes Causing Variability of Crop and Forest Reflectance Ifarm Dss Risk Analysis Module Development Impact of Field-Scale Heterogeneity in Surface MOISTURE..MODELING and Remote Sensing Perspectives Impact of Msea on the Ecology of Mississippi Delta Watersheds and Oxbow Lakes Impacts of Water Use and Plant Stress on Wild Blueberry Production Implications of Global Change for Rangeland Management Implications of Using Corn Stalks As a Biofuel Source Implications of Using Corn Stalks As a Biofuel Source in Northern Climate Implications of Using Corn Stalks As Biofuel Source Improved Forages and Management Strategies for Phytoremediation and Water Quality Protection Improved Nutrient Cycling with Perennial Forage Crops Improved Soil Management Technologies for Southern Production Systems Improving Carbon Sequestration & Soil Quality in Cotton Production Systems in the Tennessee Valley Improving Dispersion and Decreasing Emissions of Preplant Soil Fumigants Improving Efficacy of Fumigants by Promoting Uniform Dispersion in Soil and Minimizing Emissions to the Atmosphere 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 Irrigated Crop Production in Southeast Missouri 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 Resource Management for Irrigated Agricultural Systems Improving Soil, Water, and Nutrient Management in Cropping and Integrated Crop-Livestock Systems Induced Plant Defense Responses of Cacao Induced Plant Defense Responses of Cacao Information Exchange and Assessment of Agricultural Practices in the United States 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 Crop, Pasture, Feed, and Manure Management Systems for Dairy Farms Integrated Drainage Management and Flood-Tolerant Cropping Systems for Humid Areas Integrated Farm and Ranch Management Decision Support System (Ifarm Dss) Integrated Management Regimens That Minimize the Environmental Impact of Livestock Manure Integrated Soil, Crop and Pest Management for Sustainable Agriculture 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 Integrating Remote Sensing, Gps, and GIS for Precision Agriculture and Natural Resources Management 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 Integration of Research Information into a Decision Support System for Resource Conservation Planning and Water Quality Protection 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 Investigating the Environmental Chemistry Fate and Transport of Agrochemicals and Other Pollutants Investigating the Factors Affecting the Fate and Transport of Agricultural Fumigants Investigation of Nutrient Loss Mechanisms from Land-Applied Poultry Litter 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 Irrigation Water Use in Wild Blueberry Production Laboratory & Field Investigations of the Processes Affecting Phosphorus Speciation & Dynamics in Grasslands Fertilized with Animal Manures Land Management Effects on Runoff, Erosion, and Water Quality under Winter Conditions Land Management Practices to Enhance the Physical, Chemical and Biological Traits of Cold, Wet Soil Landscape Indicator Interface with Hydrologic and Ecologic Models Liaison, Coordination, and Data Transfer Between Foundry Sand Industry and the Agricultural Research Service Long Term Phytoavailability and Bioavailability of Soil Metals Long-Term Ecological Research on the Shortgrass Steppe Long-Term Field Experiment to Evaluate Sustainability of Organic and Conventional Cropping Systems Management of Appalachian Soil Resources Management of Cover Crops for Enhancement of High Value Cropping Systems Management of Irrigated Desert Environments in Imperial Valley California Management of Southeastern Grazinglands and Livestock to Optimize Small Farm Sustainability Management of Sustainable Agricultural Systems That Effectively Use Water & Reduce Wind Erosion Managing Microbial Processes of Soil Subsidence in Histosols for Sustainable Sugarcane Yield Manure Treatments and Uses to Protect Soil-Water-Air Quality, Food Safety, and Improve Manure Value Mapping Consistent Within-Field Patterns of Variability Using Multitemporal Satellite Images Meat Goat Finishing Systems for Appalachian Small Farms Mechanisms and Forces Controlling Pesticide Retention by Soil Clay Minerals 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 Medicinal Botanical Production and Processing Metrics for Nitrate Contamination of Ground Water at Cafo Land Application Sites Microbial Approaches to Enhance Biological, Chemical, and Physical Properties of Soil 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 Model Abstraction Techniques for Soil Water Flow and Transport Model Prediction of Soil Carbon and Nitrogen Transformations in the Soil/plant/air Biosystem Molecular Regulation of Heavy Metal and Micronutrient Homeostasis and Hyperaccumulation Monitoring Rangeland Watersheds with Very-Large Scale Aerial Photography Monitoring, Assessment and Modeling of Forage production under Matric and Osmotic Stress Monoxenic and Axenic Cultivation of Arbuscular Mycorrhizal (Am) Fungi 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 Nleap Computer Modeling Novel Chemical and Analytical Approaches to Odor Control for Waste Treatment Systems Nutrient, Pesticide, and Water Management for Horticulture Crop and Water Quality Protection Observations by Algona High School Ffa Chapter of Crop Parameters at Producer-Oriented Tillage Demonstration Sites Observations by Bedford Ffa Chapter of Crop Parameters at Producer-Oriented Tillage Demonstration Sites Observations by Jefferson-Scranton High School Ffa Chapter of Crop Parameters at Producer-Oriented Tillage Demonstration Sites Observations by Laurens-Marathon Ffa Chapter of Crop Parameters at Producer-Oriented Tillage Demonstration Sites Observations by Manning Ffa Chapter of Crop Parameters at Producer-Oriented Tillage Demonstration Sites On-Farm Production of Mycorrhizal Fungus Inoculum On-Farm Production of Mycorrhizal Fungus Inoculum 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 Optimizing Irrigation Management for Humid Climates 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 Pacific Northwest Wind Modeling Particulate Emissions from Wind Erosion: Processes, Assessment, and Control Pasture Management Strategies for Sequestering Soil Carbon Pasture-Based Beef Systems for Appalachia Pasture-Based Beef Systems for Appalachia (Wvu) Pathogen Transport and Dissemination from Manure Pathogenic and Indicator Bacteria in Agricultural Watersheds 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 Physical Properties of Appalachian Grazing Land Soils Plant and Animal Responses to Environment and Management Precision Farming and Site-Specific Management to Protect Water Quality Precision Irrigation Technologies for the Agricultural Industry Predicting and Validating Rain Infiltration and Subsurface Flow for "real World" Soil and Slope Conditions Predicting the Effect of Water Chemistry and Soil Management on Hydraulic Conductivity Preparation of a Review Which Synthesizes and Interprets Scientific Research Surrounding Cadmium in Agricultural Systems Processes Controlling Phosphorus Transport in Riverine Systems Processes, Control, and Prediction of Erosion and Runoff on Upland Areas in Agricultural Watersheds Producer-Oriented Tillage Demonstration Sites for Production Efficiency and Environmental Quality Prototyping Value-Added Eos Data for Rangeland Management and Assessment Providing Support to Small-Scale Farmers in the Development of Sustainable and Profitable Cropping Systems Quantification of Amorphous Silica Contributions to Soil Cementation 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 Re-Integrating Crop and Livestock Enterprises in Three Northern States Reducing Massively Structured Subsoil Strength Through Pam Amendment and Aggregate Formation Reducing Nitrate Contamination to Surface Waters from Artificially Drained Soils Reducing Nitrate Levels in Subsurface Drain Water with Organic Matter Incorporation 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 Technologies to Identify Diseases Earlier Within Cropping Cycles Remote Sensing Technology for Management of Irrigation and Potentially Salt-Affected Soils Remote Sensing to Determine Need for in-Season Appliation of Nitrogen on Sugarbeets Research and Management of Locusts and Other Emergency Pest Outbreaks in Sub-Saharan Africa Research Internships for Early Career South African Agricultural Scientists Research to Address Environmental Problems Faced by the U.S. Dairy Industry Review of Carbon Sequestration in Cotton Systems Role of Soil Nematodes in Vectoring Pathogenic Bacteria to Fruits and Vegetables Rotation of Pastures with Crops to Achieve Productivity and Environmental Quality Rotation of Pastures with Crops to Achieve Productivity and Environmental Quality Safe Production of Vegetables Using Manure 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 San Pedro Riparian Evapotranspiration Scaling & Modeling Space-Time Variability of Landscape Processes to Enhance Management Scaling Bowen Ratio Co2 Fluxes to Landscapes/regions Sediment Transport by Fluid Wave Power Action in Shallow Flow Simulation and Validation of Phosphorus Loading in Furrow Irrigation Tailwater Site-Specific Farm Management Snow Remote Sensing Soci-Economic Assessment of Conservation Effects in the St. Joseph River Watershed 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 Water Management to Enhance Natural Resources and Optimize Production Soil and Yield Variability Soil Carbon Cycling, Tillage and Crop Residue Management Soil Drainage Research Soil Erosion and Soil Resource Management Soil Erosion and Water Quality Management Soil Erosion Prediction Technology for Improved Conservation Planning and Environmental Protection Soil Erosion Processes, Measurements, and Models Soil Erosion, Sediment Yield and Decision Support Systems for Sustainable Water Management on Semiarid Rangeland Watersheds Soil Health As An Indicator of Sustainable Management Soil Management Systems for the Responsible Use of Natural Resources Soil Moisture Experiment 2004 and the North American Monsoon Experiment Soil Moisture Modeling Soil Moisture Modeling II Soil Resources in the Coastal Plain: Process Characterization, Management Impacts & Assess. Tools Soil Surface Property and Polyacrylamide (Pam) Application Effects on Runoff Components Soil/site Stability and Sustainable Rangeland Ecosystems Source Water Protection Initiative Spatial GIS Hydrologic Modeling, Riparian Water Use and Decision Support Tools Supplemental Se Supplied As High Se Broccoli Grownunder Field and Greenhouse Conditions Surface and Subsurface Conditions and Processes Controlling the Formation and Growth of Rills Surface Irrigation Water Quality and Management Sustainability of Soil Resources in Weed and Crop Management Systems in Mid South Agriculture Sustainable and Organic Management of Selected Fruits and Vegetables Sustainable Crop and Soil Management Systems for Dryland Pacific Northwest Agriculture Sustainable Cropping Systems for the Northeast 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 Technologies for Determining Gene Expression in Acidic Soil-Stressed Root-Colonizing Bacteria Technology Transfer of Computer Software for Modeling Subsurface Contaminant Transport Testing Decision Support Systems at the Small Farm Level The Effect of Plant Genetics and Soil Constituents on Concentrations and Bioavailability of Cadmium The Effects of Landscape and Carbon on Denitrification in the Mississippi Delta The Impact of Soil Spatial Variation on Field-Scale Measurements of Crop Water Use and Carbon Balance The Impact of Wetland Respiration on Phosphorus Release and Water Quality The Object Modeling System (Oms): An Advanced, Object Modeling Computer Technology Framework for Natural Resources Conservation Planning The Role and Utilization of Mycorrhizal Fungi in Agriculture The Wind Erosion Prediction System (Weps) User Documentation, Tutorials and Training Materials The Wind Erosion Prediction System (Weps) User Documentation, Tutorials and Training Materials Toxic Anion Chemical Transport and Management Understanding Soil-Plant-Human/animal Food Systems and Nutrient Bioavailability to Improve Human Health Use of Spent Foundry Sand: Assessment of Transport and Availability of Trace Metal and Organic Contaminants and Nutrient Dynamics in Topsoil Use of Wetland Systems to Treat Nursery Runoff Using Genomic/proteomic Technologies to Improve Quality and Stress Tolerance of Crop Species Using Laser Imaging Data and Ranging (Lidar) to Delineate Watershed Characteristics Utilization of Forage and Browse for Meat Goat Production Utilization of Organic Waste to Improve Agricultural Systems and Environmental Quality 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 Satellite Estimates of Soil Moisture in the Southern Great Plains 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 Improvement from Management Practices in Agricultural 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 Whole Farm Management of Animal Wastes and Other Agricultural Effluents Willow Slough Watershed Rangeland Stewardship Program Wind Erosion Model for Military Lands Wind Erosion Model for Military Lands 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