Ray R. Weil

Ray R. Weil is a Professor at the University of Maryland's Department of Environmental Science and Technology within the College of Agriculture and Natural Resources. Specializing in soil science, nutrient cycling, and sustainable agriculture, he is renowned for developing methods like the POXC test adopted globally. His research focuses on soil health, cover crops, and ecological farming systems, with significant contributions to food security in Africa and other developing regions. Weil has authored the widely used textbook The Nature and Properties of Soils and advised over 42 MS/Ph.D. students.

• Roles: Professor, Soil Quality Lab Director
• Affiliations: University of Maryland, Soil Quality Lab, Cover Crop Innovation Center

His research integrates teaching, extension, and research, emphasizing soil health practices. Key areas include cover crop systems, soil organic matter management, and sustainable farming. International collaborations span China, Uganda, Mexico, and Ethiopia, addressing soil conservation and agricultural development.

Recent work includes studies on nitrogen leaching reduction via cover crops, sulfur fertilization for crop protein quality, and soil management strategies in organic transitions. Awards include the 2022 FoodShot Global Groundbreaker Prize for sulfur research.

Weil's advising and grants focus on soil health's ecological and economic impacts. The Soil Quality Lab explores soil health, nutrient cycling, and sustainable systems, supported by projects like the Cover Crop Innovation Center. His work bridges academic research with practical farming solutions, emphasizing global food security and environmental sustainability.