College of Agriculture & Natural Resources
AGNR Research

Research Programs

On-site Faculty Research Focus:

Agricultural Experiment Station

Burton, Dennis - Aquatic Toxicology
Fisher, Daniel - Aquatic Toxicology
Hall, Lenwood - Aquatic Toxicology
Harrell, Reginal -Fisheries Science/Envir Ethics
Ristvey, Andrew - Commercial Horticulture
Staver, Ken - Hydrology/Nutrient Cycling/Biofuels

Fact Sheet, FS-1017 - Poultry Litter Tillage Practices Effects on Nutrient and Estrogenicity Runoff

Animal and Avian Sciences

Vacant - Extension Beef Specialist


Dively, Galen - Integrated Pest Management
Embrey, Michael - Apiary Program
Hooks, Cerrutti - Integrated Pest Management

Environmental Science and Technology

Coale, Frank - Soil Fertility/Nutrient Management
Hill, Robert - Soil and Water Management
McGrath, Josh - Soil Fertility/Envir Sustainability
Weil, Ray - Soil Science

Plant Sciences and Landscape Architecture

Everts, Kate - Pathology, Extension Specialist
Grybauskas, Arvydas - Disease of Field Crops
Kenworthy, William - Soybean Breeding
Kratochvil, Robert - Soil and Grain Crops
Lea-Cox, John - Nursery Research
Micallef, Shirley - Vegetables
Ritter, Ronald - Agronomic Weed Control

Other MCE Faculty with Research at Wye REC

Brust, Jerry - Vegetables
Fiola, Joseph - Viticulture & Small Fruits
Kays, Jonathan - Natural Resources
Lewis, James - Agronomy

On-site Faculty Expertise:

Burton, Dennis T. - Aquatic Toxicology

Dr. Burton's primary research interests are the toxicological effects to aquatic organisms of surface and subsurface water quality changes induced by municipal, utility, and industrial facilities as well as the effects of various inorganic and organic contaminants to soil and wetland sediment communities.  He is currently conducting 1) a Superfund long-term post-remediation monitoring program at the U.S. Army Aberdeen Proving Group; 2) an evaluation of the potential aquatic toxicity of various dust palliative materials used for dirt and gravel road maintenance; 3) an evaluation of the potential aquatic toxicity of several bio-based renewable lubricants; and 4) evaluating several wastewater treatment plants for National Pollutant Drainage Elimination System compliance.  Dr. Burton has published more than 100 papers in peer reviewed journals; written three books; 27 book chapters; and over 125 published technical reports.

Fisher, Daniel J. - Aquatic Toxicology

Dr. Fisher is a Senior Research Scientist at the University of Maryland's College of Agriculture and Natural Resources Wye Research and Education Center (WREC) and Deparment of Environmental Science and Technology.  He is also an Extension Specialist for University of Maryland Extension.  He earned his Ph.D. in Marine Science/Aquatic Toxicology in 1986 from the College of William and Mary's Virginia Institute of Marine Science.  He currently teaches courses at the University of Maryland in College Park concerned with Ecosystem Health and Protection and Enviornmental toxicology.  He has over 40 years of experience in aquatic toxicology and the study of environmental impacts of contaminants.  For 17 years, Dr. Fisher directed the Maryland Department of Environment's Bioassay Laboratory located at the Wye Research and Education Center where he conducted acute and chronic whole effluent toxicity testing for NPDES compliance monitoring.  In addition, he established freshwater/estuarine sediment toxicity testing capabilities at WREC that allow for sediment quality assessments. He has been the PI or Co-PI for research grants and contracts in the following areas: laboratory and field aquatic toxicological studies involving sediments, single compounds, mixtures, effluents and storm water runoff; ecological risk assessments; development of water quality criteria for numerous compounds; and continuous versus intermittent toxicity of chemicals.  Dr. Fisher's recent work has been in the assessment of possible endocrine distruptive effects of land applied poultry litter and the development of antibiotic resistance in Eastern Shore streams from poultry litter and biosolids application.  For the last seven years he has been actively conducting ballast water ressearch on the residual toxicity of active substances after invasive species control treatment.  He has written more than 150 refereed journal and technical publications on a wide variety of environmental issues.

Hall, Lenwood W. - Aquatic Toxicology

Lenwood W. Hall, Jr. is a Research Associate at the University of Maryland, Wye Research and Education Center.  Areas of expertise are: aquatic toxicology; ecological risk assessments of pesticides, metals, and organometallics; exposure characterization of pesticides; development of biological/physical habitat indicators and bioassessments.  He has conducted research or consulting for 51 different government, academic and industrial organizations.  He has published the following:  123 peer-reviewed papers; 4 books; 25 book chapters/monographs (some are peer-reviewed) and 145 technical reports.  During 32 years of research, he has generated over $15 million in funding from approximately 95 different research grants or contracts.

Ristvey, Andrew - Commercial Horticulture

Eastern Regional Extension Specialist for Commercial Horticulture at Wye Research and Education Center at Queenstown, MD and affiliate faculty with the Plant Science and Landscape Architecture Department at the Univeristy of Maryland, College Park. Education:  Master of Science degree in 1993 from the University of Maryland, Eastern Shore in the MEES program; Doctorate in Horticulture, University of Maryland College Park.  Present extension and research interests are plant nutrition, sustainable alternative crop production and green roof systems.

Staver, Kenneth W. - Nutrient Cycling/Biofuels

Primary research interest is the development of agricultural production systems that maximize nutrient and energy use efficiency and minimize environmental degradation at the field and system level. His academic training is in systems ecology (B.A.; Cornell), marine science (M.S.; U. MD) and engineering (Ph.D.; U.MD). Dr. Staver has worked at the Wye Research and Education Center since 1984 focusing initially on nutrient transport patterns in Coastal Plain watersheds and the development of practices that reduce nutrient losses from cropland at the field level. More recently his research focus has shifted to development of multi-discipline approaches to regional environmental problems. His current research activities include: 1) assessment of nutrient flow patterns in grain/poultry production systems at field, watershed and regional scales; 2) assessment of changes in subsurface nitrogen storage and transport in Coastal Plain watersheds where nutrient control strategies have been implemented; 3) assessment of the effect of phosphorus management strategies on phosphorus losses in field drainage; 4) development of land placement options for sediment dredged from Chesapeake Bay shipping lanes; and 5) assessment of the nutrient uptake and retention, and biofuel potential of native warm season grasses.

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