Gregory K. Evanylo



Ph.D., Agronomy, University of Georgia, 1982

M.S., Plant and Soil Sciences, University of Massachusetts, 1978

B.A., Biology, University of Connecticut, 1975


2001 - Present - Professor and Extension Specialist, Crop and Soil Environmental Sciences, Virginia Tech

1992 - 2001 - Associate Professor and Extension Specialist, Crop and Soil Environmental Sciences, Virginia Tech

1989 - 1992 - Assistant Professor and Extension Specialist, Crop and Soil Environmental Sciences, Virginia Tech

1984 - 1989 - Assistant Professor of Agronomy, Eastern Shore Agricultural Research Experiment Station, Virginia Tech

1983 - 1984 - Post-doctoral Research Associate, Department of Agronomy, University of Kentucky, Lexington, Ky.

Link to curriculum vita

Program Focus

The goal of my research program is to investigate the chemistry, transport, and availability of nutrients (esp., nitrogen), inorganic trace elements, and organic matter (esp., carbon) in land-applied by-products derived from agricultural, industrial, and municipal activities. Composted residuals are of particular interest. My colleagues and I research the effects of such by-products on plant health, soil properties, greenhouse gas generation, and water quality in both natural and disturbed soils.

Role of Graduate Students

I expect that graduate students will take an active role in developing their research objectives within the framework of the overall project to which they commit. Students may be expected to provide assistance in the laboratory and field to other students in my program. Students will be expected to present their data at national meetings and may be asked to make presentations at extension workshops and field days. They will also contribute to the preparation of reports to sponsors of research.

Future Research

Climate change is a challenging issue that can be partially addressed by reducing greenhouse gas emissions from and increasing carbon sequestration in managed lands.  Future research to be addressed by my program will include the assessment of and development of strategies for reducing greenhouse gas emissions and increasing carbon sequestration from land receiving organic by-products amendments.

W3170: Beneficial Reuse of Residuals and Reclaimed Water: Impact on Soil Ecosystem and Human Health (formerly W2170)

Extension Program

The topical areas that I address in my extension program are closely aligned with my research areas, i.e. beneficial recycling of agricultural, municipal and industrial by-products for the enhancement of soil, water and air quality; agricultural and urban nutrient management; and composting and compost use. My program has evolved to demonstrate and promote environmentally and economically sound beneficial by-product recycling and the proper composting of organic residuals and subsequent product use.

Extension Philosophy

My extension program is designed to provide research-based information to state regulatory agency staff, local government decision makers, farmers and other agricultural and urban land managers, extension educators, and citizens via written and electronic publications, workshops and field days, regulatory agency technical advisory committee meetings, local and state government public information meetings, written and electronic press outlets, and other electronic communication outlets. The purpose of these activities is to elicit change in practices that will reduce the impairment of our environment, viz. soil, water, and air quality, while improving economic returns.

Composting and compost use

Dr. Greg Evanylo