BIO: Dr. Eileen J. Kladivko is Professor of Agronomy at Purdue University, where she teaches and does research in soil physics, soil biology, and soil management. Her overall research focus has been to identify soil management systems that improve environmental quality and promote agricultural sustainability. Specific research areas have included tile drainage and water quality; the interactions of earthworms, soil management, and soil physical properties; conservation tillage and cover crops for soil quality improvement; and preferential flow of chemicals through soils. She is a founding member of the Midwest Cover Crops Council.