Douglas Karlen
Douglas Karlen B.S., 1973, University of Wisconsin‑Madison, Soil Science; M.S., 1975, Michigan State University, Soil Science; Ph.D., 1978, Kansas State University, Agronomy. Author or co-author for 230 refereed journal publications and 154 peer-reviewed book chapter or proceedings papers. Co-editor for “Sustainable Agriculture Systems,” “Agricultural Utilization of Urban and Industrial By-Products,” “Sustainable Alternative Fuel Feedstock Opportunities, Challenges and Roadmaps…