Dr. Michael D. Orzolek is currently Professor Emeritus of Vegetable Crops, Department of Horticulture, The Pennsylvania State University. He was hired in 1981 with a three-way appointment - 60% Extension, 22% Research and 18% Teaching. Since his retirement in July, 2012, Dr. Orzolek kept active conducting applied field research and moving his office to the Horticulture Research Farm, Rock Springs, PA. He had conducted extensive research on stand establishment, plastic mulches, high tunnels, plant nutrition, weed management and tillage systems. Dr. Orzolek currently work for Stoller USA, Houston, TX as the Director of Research and Development for Horticultural crops. Dr. Orzolek formerly was Extension Vegetable Specialist at the University of Delaware (1974-81). He received his B.S. in Biology from Alliance College, M.S. in Horticulture from West Virginia University, and Ph.D. in Horticulture/Botany from the University of Maryland.