Raymond Weil

Professor of Soil Science at the University of Maryland

Research Expertise

soil science

Management, Monitoring, Policy and Law

Pollution

Waste Management and Disposal

Water Science and Technology

Environmental Engineering

Nutrition and Dietetics

Agronomy and Crop Science

Food Science

Biotechnology

Economics and Econometrics

Development

Animal Science and Zoology

Ecology

Environmental Chemistry

Earth-Surface Processes

Renewable Energy, Sustainability and the Environment

Bioengineering

Forestry

Geography, Planning and Development

Plant Science

Aquatic Science

Ecology, Evolution, Behavior and Systematics

Microbiology

Legacy Map

Publications

Fall cover crop nitrogen uptake drives reductions in winter‐spring leaching

Journal of Environmental Quality

The joint effects of information and financing constraints on technology adoption: Evidence from a field experiment in rural Tanzania

Journal of Development Economics

Sulfur fertility management to enhance methionine and cysteine in soybeans

Journal of the Science of Food and Agriculture

Can permanganate oxidizable carbon predict soil function responses to soil organic matter management?

Soil Science Society of America Journal

Assessing and understanding non-responsiveness of maize and soybean to fertilizer applications in African smallholder farms

Agriculture, Ecosystems & Environment

Scavenging and recycling deep soil nitrogen using cover crops on mid-Atlantic, USA farms

Agriculture, Ecosystems & Environment

Deep Soil Cores Reveal Large End‐of‐Season Residual Mineral Nitrogen Pool

Agricultural & Environmental Letters

Subsequent nitrogen utilisation and soil water distribution as affected by forage radish cover crop and nitrogen fertiliser in a corn silage production system

Acta Agriculturae Scandinavica, Section B — Soil & Plant Science

Can conservation tillage reduce N2O emissions on cropland transitioning to organic vegetable production?

Science of The Total Environment

Inorganic nitrogen losses to groundwater are minimal from two management-intensive grazing dairy farms in Maryland

Renewable Agriculture and Food Systems

Total and permanganate-oxidizable organic carbon in the corn rooting zone of US Coastal Plain soils as affected by forage radish cover crops and N fertilizer

Soil and Tillage Research

Anaerobic co-digestion of forage radish and dairy manure in complete mix digesters

Bioresource Technology

Biomass and Nitrogen Content of Hairy Vetch–Cereal Rye Cover Crop Mixtures as Influenced by Species Proportions

Agronomy Journal

Cover Crop and Poultry Litter Management Influence Spatiotemporal Availability of Topsoil Nitrogen

Soil Science Society of America Journal

Legume Proportion, Poultry Litter, and Tillage Effects on Cover Crop Decomposition

Agronomy Journal

Methane and hydrogen sulfide production during co-digestion of forage radish and dairy manure

Biomass and Bioenergy

No-till seeded spinach after winterkilled cover crops in an organic production system

Renewable Agriculture and Food Systems

The State of Soil Degradation in Sub-Saharan Africa: Baselines, Trajectories, and Solutions

Effects of compaction and cover crops on soil least limiting water range and air permeability

Soil and Tillage Research

Ion-Selective Electrode Offers Accurate, Inexpensive Method for Analyzing Soil Solution Nitrate in Remote Regions

Communications in Soil Science and Plant Analysis

Organic Amendments to a Wheat Crop Alter Soil Aggregation and Labile Carbon on the Loess Plateau, China

Nutrient Availability and Soil Organic Matter Decomposition Response to Prescribed Burns in Mid-Atlantic Brackish Tidal Marshes

Soil Science Society of America Journal

Can a Labile Carbon Test be Used to Predict Crop Responses to Improve Soil Organic Matter Management?

Agronomy Journal

Canopy disturbance alters competitive outcomes between two brackish marsh plant species

The Mechanism for Weed Suppression by a Forage Radish Cover Crop

Agronomy Journal

Vegetation Response to Prescribed Fire in Mid-Atlantic Brackish Marshes

Estuaries and Coasts

Forage Radish Cover Crop Suppresses Winter Annual Weeds in Fall and Before Corn Planting

Agronomy Journal

Forage Radish Cover Crops Increase Soil Test Phosphorus Surrounding Radish Taproot Holes

Soil Science Society of America Journal

Root growth and yield of maize as affected by soil compaction and cover crops

Soil and Tillage Research

Brassicaceous and rye cover crops altered free-living soil nematode community composition

Applied Soil Ecology

Forage radish and cereal rye cover crop effects on mycorrhizal fungus colonization of maize roots

Penetration of cover crop roots through compacted soils

Brassica Cover Crops for Nitrogen Retention in the Mid‐Atlantic Coastal Plain

Journal of Environmental Quality

Carbon distribution in restored and reference marshes at Blackwater National Wildlife Refuge

Archives of Agronomy and Soil Science

Farmer perceptions of soil quality and their relationship to management-sensitive soil parameters

Renewable Agriculture and Food Systems

Thinking across and beyond disciplines to make cover crops pay

Journal of the Science of Food and Agriculture

Effects of fertilizer placement on solute leaching under ridge tillage and no tillage

Soil and Tillage Research

Preserving soil and crop resources by increasing cropping intensity and decreasing tillage

Renewable Agriculture and Food Systems

Crop Cover Root Channels May Alleviate Soil Compaction Effects on Soybean Crop

Soil Science Society of America Journal

Comments on “Evaluation of the Microwave Irradiation Method for Measuring Soil Microbial Biomass”

Soil Science Society of America Journal

Dairy Manure Effects on Soil Quality Properties and Carbon Sequestration in Alfalfa–Orchardgrass Systems

Communications in Soil Science and Plant Analysis

Estimating active carbon for soil quality assessment: A simplified method for laboratory and field use

American Journal of Alternative Agriculture

Eastern Gamagrass Root Penetration in Adverse Subsoil Conditions

Soil Science Society of America Journal

Land use effects on soil quality in a tropical forest ecosystem of Bangladesh

Agriculture, Ecosystems & Environment

Soil and Plant Influences on Crop Response to Two African Phosphate Rocks

Agronomy Journal

Sulfur Nutrition of Maize in Four Regions of Malawi

Agronomy Journal

A rapid microwave digestion method for colorimetric measurement of soil organic carbon

Communications in Soil Science and Plant Analysis

Microwave irradiation of soil for routine measurement of microbial biomass carbon

Biology and Fertility of Soils

Seasonal trends in soil nitrogen from injected or surface‐incorporated sewage sludge applied to corn

Communications in Soil Science and Plant Analysis

Freeze-dried soil extraction method for the measurement of microbial biomass C

Biology and Fertility of Soils

Influence of Soil Moisture Regimes on Subsequent Soil Manganese Availability and Toxicity in Two Cotton Genotypes

Agronomy Journal

Water Distribution in Soil under Ridge‐Till and No‐Till Corn

Soil Science Society of America Journal

Pyrite Enhancement of Phosphorus Availability from African Phosphate Rocks: A Laboratory Study

Soil Science Society of America Journal

Effects of intensity of agronomic practices on a soil ecosystem

American Journal of Alternative Agriculture

Nitrate Leaching to a Shallow Mid-Atlantic Coastal Plain Aquifer as Influenced by Conventional No-Till and Low-Input Sustainable Grain Production Systems

Water Science and Technology

Dry Matter and Nitrogen Accumulation and Partitioning in Field Grown Winged Bean

Experimental Agriculture

Effects of Winged Bean on a Following Maize Crop

Experimental Agriculture

Nitrate Contamination of Groundwater under Irrigated Coastal Plain Soils

Journal of Environmental Quality

Nitrogen Status of Forest Floor, Soils, and Vegetation following Municipal Wastewater Sludge Application

Journal of Environmental Quality

Effect of submergence on availability of certain plant nutrients in three Ultisol catenas

Phosphorus Renovation of Wastewater by Overland Flow Land Application

Journal of Environmental Quality

Plant Availability of Phosphorus in Sewage Sludge Compost

Journal of Environmental Quality

Effects of manuring on the arthropod community in an arable soil

Soil Biology and Biochemistry

Inorganic Nitrogen and Soluble Salts in a Davidson Clay Loam used for Poultry Manure Disposal

Journal of Environmental Quality

Organic Matter Decomposition in a Soil Heavily Amended with Poultry Manure

Journal of Environmental Quality

Physical Condition of a Davidson Clay Loam after Five Years of Heavy Poultry Manure Applications

Journal of Environmental Quality

Education

Virginia Tech

Experience

University of Maryland

Professor / August, 1979 — Present

Links & Social Media

ResearchGate

ORCID

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