Dave is a farm kid from Northfield, MN who chose public education as a career. His education includes a BS in education from Minnesota State Mankato, a Masters in School Administration and Policy, and much advanced graduate work in environmental education at University of Minnesota. He spent 35 years teaching middle school environmental sciences followed by 5 years as Education Director at Eagle Bluff Environmental Learning Center, Lanesboro, MN. He also worked 7 years for the John Deere Company as computer tech and controller. Most recently he served as Executive Director of the Cannon River Watershed Partnership, Northfield, MN. Presently he continues to farm 650 acres of corn and soybeans. He is actively engaged in working with citizen groups and farmers to promote understanding of how 4Rs of fertilizer management can have positive effects on water quality, soil, air, and farmers’ profitability. Dave was selected as one of five 4R Advocates in the US. The Legvold Farm is a Minnesota Agricultural Water Quality Certified farm since 2015. Through a collaboration with St. Olaf College and Carleton College faculty and students, many research projects have succeeded in providing Dave with valuable data as well as furthering the education of students. He lives on the farm with his wife, Ruth and two Golden Retrievers…their only livestock.