HANNA JANE POFFENBARGER

Transcription

1 HANNA JANE POFFENBARGER N122K Ag. North Building University of Kentucky Phone: Lexington, KY EDUCATION Ph.D. in Soil Science Minor in Sustainable Agriculture Iowa State University, Ames, IA M.S. in Soil and Watershed Science University of Maryland, College Park, MD B.S. in Environmental Science and Policy Concentration in Environment and Agriculture Minor in Soil Science High Honors for excellence in undergraduate research Summa Cum Laude PROFESSIONAL EXPERIENCE 2018-present Assistant Professor of Soil Nutrient Management Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY Graduate Research Fellow (Ph.D.) Department of Agronomy, Iowa State University, Ames, IA Advisors: Michael Castellano and Matthew Liebman Dissertation title: Nitrogen fertilization and crop diversity effects on soil carbon and nitrogen cycling in Iowa cropland Graduate Research Fellow (M.S.) Department of Environmental Science and Technology University of Maryland, College Park, MD Advisors: Steven Mirsky and Ray Weil Thesis title: Nitrogen dynamics in cover crop-based no-till corn production Biological Science Technician USDA-ARS Sustainable Agricultural Systems Lab, Beltsville, MD Mentors: Steven Mirsky and John Teasdale 2009 Student Intern Lock Farm (Community Supported Agriculture), Woodsboro, MD Page 1 of 9

2 Undergraduate Research Assistant Department of Environmental Science and Technology University of Maryland, College Park, MD Mentor: Brian Needelman TEACHING EXPERIENCE Courses 2017 Guest Lecturer, Nutrient Cycling in Agroecosystems, Iowa State University 2017 Instructor, Soils and Plant Analysis Laboratory, Iowa State University 2016 Guest Lecturer, Introduction to Ecosystems, Iowa State University 2013 Graduate Teaching Assistant, Introductory Soil Science Laboratory (two sections), University of Maryland 2009, 2010 Undergraduate Teaching Assistant, Introductory Soil Science Laboratory, University of Maryland Mentoring Mentor to Jordan Kersey (Iowa State University) for her undergraduate research project. Jordan investigated the impact of crop rotation on the biochemical composition of soil organic matter in surface and subsoils. GRANTS AND FELLOWSHIPS Kentucky Corn Grower s Association Research Grant. Nitrogen rate decision support for Kentucky corn grain production. J. McGrath (PI) with H.J. Poffenbarger, J. Shockley, M. Sama, and E. Ritchey (co-pis). ($88,366) Iowa State University Women s and Diversity Grant. Building gender parity in agricultural leadership roles through tailored professional development. K. Taylor (PI) with E.A. Heaton, H.J. Poffenbarger, S.C. Cordova, D.M. Aller, and L.A. Puntel (co-pis). ($5,000) Leopold Center for Sustainable Agriculture Research Grant. Crop diversity effects on soil organic matter and nitrate retention in surface and subsoils. H.J. Poffenbarger (PI) with M.J. Castellano and M. Liebman (co-pis). ($18,709) Page 2 of 9

3 2014 Graduate Research Fellowship. Department of Agronomy, Iowa State University. ($97,200) Northeast SARE Graduate Student Research Grant. Cover crop selection and manure placement for weed suppression and nitrogen use efficiency in a no-till organic corn system. H.J. Poffenbarger (PI) with R. Weil (co-pi). ($14,986) 2011 Dean s Graduate Research Fellowship. Department of Environmental Science and Technology, University of Maryland. ($5,000) PROPOSALS SUBMITTED 2017 USDA NIFA Postdoctoral Fellowship. H.J. Poffenbarger (PI) with S. Archontoulis (Mentor). ($164,606). Recommended for award. AWARDS AND SCHOLARSHIPS 2017 Research Excellence Award. Iowa State University Department of Agronomy 2016 Student Oral Presentation Competition Second Place. Soil and Water Management and Conservation Division, Soil Science Society of America ($200) 2015 Student Poster Competition Second Place. Soil Fertility and Plant Nutrition Division, Soil Science Society of America ($300) 2013 Organic Crop Improvement Association Research and Education Scholarship. ($1,000) 2012 Association of Women Soil Scientists Travel Award to Soil Science Society of America Meeting. ($500) 2011 National Student Recognition Award. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Roy W. Simonson Memorial Scholarship Award. Mid-Atlantic Association of Professional Soil Scientists. ($1,000) 2010 Green Scholarship. Environmental Science and Policy Program, University of Maryland. ($915) 2009 Darrel S. Metcalfe Student Manuscript Contest Third Place. Students of Agronomy, Soils and Environmental Sciences. Page 3 of 9

4 PEER-REVIEWED PUBLICATIONS In review Mahal, N.K., S.V. Archontoulis, F.E. Miguez, D.C. Olk, W.R. Osterholz, H.J. Poffenbarger, J.E. Sawyer, and M.J. Castellano. Nitrogen fertilizer suppresses microbial mineralization of soil organic matter in maize agroecosystems. Submitted to Agriculture, Ecosystems, and Environment. Poffenbarger, H.J., J.E. Sawyer, D.W. Barker, D.C. Olk, J. Six, and M.J. Castellano. Legacy effects of long-term nitrogen fertilizer application on nitrogen use efficiency in continuous maize. Submitted to Agriculture, Ecosystems, and Environment. Thapa, R., H.J. Poffenbarger, K.L. Tully, V.J. Ackroyd, M.H. Kramer, and S.B. Mirsky. Biomass production and nitrogen accumulation by hairy vetch/cereal rye mixtures: A meta-analysis. Submitted to Agronomy Journal. Bowen, H., J.E. Maul, H.J. Poffenbarger, S.B. Mirsky, M.A. Cavigelli, and S.A. Yarwood. Spatial patterns of denitrification genes change in agricultural soils in response to fertilizer placement and cover crop species. Submitted to ISME Journal. Published or accepted for publication Poffenbarger, H.J., G.M. Artz, G.R. Dahlke, W.M. Edwards, H.M. Hanna, J.R. Russell, H.J. Sellers and M. Liebman An economic analysis of integrated crop-livestock systems in Iowa, U.S.A. Agricultural Systems 157: Melkonian, J. H.J. Poffenbarger, S.B. Mirsky, M.R. Ryan, and B.N. Moebius-Clune Estimating nitrogen mineralization from cover crop mixtures using the Precision Nitrogen Management model. Agronomy Journal 109: Vann, R.A., S.C. Reberg-Horton, H.J. Poffenbarger, G.M. Zinati, J.B. Moyer, and S.B. Mirsky Starter fertilizer for managing cover crop-based organic corn. Agronomy Journal 109: 1-9. Poffenbarger, H.J., D.W. Barker, M.J. Helmers, F.E. Miguez, D.C. Olk, J.E. Sawyer, J. Six, and M.J. Castellano Maximum soil organic C storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized. PLOS ONE 12: e Puntel, L.A., J.E. Sawyer, D.W. Barker, R. Dietzel, H.J. Poffenbarger, M.J. Castellano, K.J. Moore, P. Thorburn, and S.V. Archontoulis Modeling long-term corn yield response to nitrogen rate and crop rotation. Frontiers in Plant Science 7: Page 4 of 9

5 Poffenbarger, H.J., S.B. Mirsky, M. Kramer, R.R. Weil, J.J. Meisinger, M.A. Cavigelli, and J.T. Spargo Cover crop and poultry litter management influence spatiotemporal availability of topsoil nitrogen. Soil Science Society of America Journal 79: Poffenbarger, H.J., S.B. Mirsky, R.R. Weil, M. Kramer, J.T. Spargo, and M.A. Cavigelli Legume proportion, poultry litter, and tillage effects on cover crop decomposition. Agronomy Journal 107: Poffenbarger, H.J., S.B. Mirsky, R.R. Weil, J.E. Maul, M. Kramer, J.T. Spargo, and M.A. Cavigelli Biomass and nitrogen content of hairy vetch cereal rye cover crop mixtures as influenced by species proportions. Agronomy Journal 107: Poffenbarger, H.J., S.B. Mirsky, J.R. Teasdale, J.T. Spargo, M.A. Cavigelli, and M. Kramer Nitrogen competition between corn and weeds in soils under organic and conventional management. Weed Science 63: Poffenbarger, H.J., B.A. Needelman and J.P. Megonigal Salinity influence on methane emissions from tidal marshes. Wetlands 31: EXTENSION AND EDUCATION PUBLICATIONS Poffenbarger, H.J Teaching tips based on Cognitive Load Theory. NACTA Journal Teaching Tips/Notes. Atwell, R.A., S.C. Reberg-Horton, H.J. Poffenbarger, S.B. Mirsky, G.M. Zinati, and J.W. Moyer Organic no-till corn production: Cover crop and starter fertilizer considerations. North Carolina State University Cooperative Extension. Poffenbarger, H.J Ruminant grazing of cover crops: effects on soil properties and agricultural production. Journal of Natural Resources and Life Sciences Education 39: PRESENTATIONS Invited presentations at scientific meetings Poffenbarger, H.J. and M. Filbert Economic analysis of integrated crop-livestock systems. Oral presentation. America Forage and Grassland Council Meeting, Louisville, KY. Contributed presentations at scientific meetings * Designates student mentee Thapa, R., H.J. Poffenbarger, K. Tully, V.J. Ackroyd, M.H. Kramer, and S.B. Mirsky Biomass production and nitrogen accumulation by hairy vetch-cereal rye mixtures: A metaanalysis. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Tampa, FL. Page 5 of 9

6 Kersey, J.*, H.J. Poffenbarger, D.C. Olk, A.P. Mallarino, M.J. Castellano, and M. Liebman Effects of crop rotation and depth on biochemical composition of soil organic matter. Poster. ASA-CSSA-SSSA Annual Meeting, Tampa, FL. Poffenbarger, H.J., G. Artz, G. Dalhke, W. Edwards, H. Hanna, J.R. Russell, H. Sellers, and M. Liebman An economic analysis of integrated crop-livestock systems in Iowa, USA. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Tampa, FL. Poffenbarger, H.J., J.E. Sawyer, D.C. Olk, J. Six, and M.J. Castellano Legacy effects of long-term nitrogen fertilizer rate on nitrogen use efficiency in continuous corn production. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Tampa, FL. Castellano, M.J., H.J. Poffenbarger, C.A. Cambardella, M. Liebman, A.P. Mallarino, D.C. Olk, A.E. Russell, and J. Six Evaluation of soil carbon pools across gradients of cropping systems diversity and soil depth. Poster. European Geophysical Union General Assembly, Vienna, Austria. Kersey, J.*, H.J. Poffenbarger, D.C. Olk, A.P. Mallarino, and M.J. Castellano Crop rotation diversity to improve water quality and increase soil health. Oral presentation. Iowa State University Undergraduate Research Symposium, Ames, IA. Kersey, J.*, H.J. Poffenbarger, D.C. Olk, A.P. Mallarino, and M.J. Castellano Crop rotation diversity to improve water quality and increase soil health. Poster. Research in the Capitol, Des Moines, IA. Poffenbarger, H.J., C.A. Cambardella, M. Liebman, A.P. Mallarino, D.C. Olk, A.E. Russell, J. Six, and M.J. Castellano Cropping system effects on soil organic C storage in surface and subsoils. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Phoenix, AZ. Mirsky, S.B., H.J. Poffenbarger, B. Davis, M.A. Cavigelli, J. Spargo, B.A. Needelman, J. Maul and S.A. Yarwood Managing both agronomic and environmental objectives with grass: legume cover crop mixtures. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Phoenix, AZ. Poffenbarger, H.J., D.W. Barker, M.J. Helmers, F.E. Miguez, J.E. Sawyer, J. Six, and M.J. Castellano Nitrogen fertilizer rate effects on soil organic carbon in Iowa continuous corn and corn-soybean systems. Poster. ASA-CSSA-SSSA Annual Meeting, Minneapolis, MN. Davis, B., S.B. Mirsky, B.A. Needelman, M.A. Cavigelli, J. Spargo, and H.J. Poffenbarger Nitrogen use efficiency and stress in corn in a cover crop-based cropping system. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Minneapolis, MN. Page 6 of 9

7 Atwell, R.A., S.B. Mirsky, H.J. Poffenbarger, and S.C. Reberg-Horton Cover crop mixture proportion and starter fertilizer effects on weed competition and yield in organic rotational no-till maize production. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Minneapolis, MN. Bowen, H., H.J. Poffenbarger, J.E. Maul, S.B. Mirsky, M.A. Cavigelli, and S.A. Yarwood The impact of cover crop and fertilizer application on the spatial patterns of denitrification genes nirk, nirs, and nosz in soil. Poster. Ecological Society of America Annual Meeting, Baltimore, MD. Poffenbarger, H.J. and S.B. Mirsky Biomass and nitrogen accumulation of hairy vetch cereal rye cover crop mixtures: A meta-analysis. Poster. ASA-CSSA-SSSA Annual Meeting, Long Beach, CA. Atwell, R.A., S.C. Reberg-Horton, H.J. Poffenbarger, S.B. Mirsky, J.W. Moyer, and G.M. Zinati Evaluating start fertilizer sources in organic no-till maize production. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Long Beach, CA. Poffenbarger, H.J., S.B. Mirsky, R.R. Weil, M. Kramer, J.T. Spargo, M.A. Cavigelli, J.E. Maul and J.J. Meisinger Spatiotemporal distribution of topsoil N as influenced by manure and cover crop surface mulches in no-till corn. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Tampa, FL. Poffenbarger, H.J., S.B. Mirsky, J.R. Teasdale, J.T. Spargo, D.J. Timlin, J.E. Maul and M.A. Cavigelli Weed crop competition in soils under long-term organic and conventional management. Oral presentation. Weed Science Society of America Annual Meeting, Baltimore, MD. Poffenbarger, H.J., S.B. Mirsky, R.R. Weil, J.J. Meisinger, J.E. Maul, M.A. Cavigelli and J.T. Spargo Nitrogen release and residue persistence of legume grass cover crop mixtures in reduced-tillage corn production. Oral presentation. ASA-CSSA-SSSA Annual Meeting, Cincinnati, OH. Poffenbarger, H.J., S.B. Mirsky, J.R. Teasdale, J.T. Spargo, D.J. Timlin, J. Maul and M.A. Cavigelli Effects of soil management legacy on weed crop competition. Oral presentation. Northeastern Weed Science Society Annual Meeting, Philadelphia, PA. Poffenbarger, H.J., S.B. Mirsky, J.R. Teasdale, J.T. Spargo, D.J. Timlin, J. Maul and M.A. Cavigelli Species-specific functional densities: defining nitrogen utilization equivalence for weed crop interference experiments. Oral presentation. Northeastern Weed Science Society Annual Meeting, Baltimore, MD. Extension and outreach presentations Page 7 of 9

8 Poffenbarger, H.J Soil nutrient cycling and water quality. Practical Farmers of Iowa Field Day, Rosmann Family Farms, Harlan, IA. Poffenbarger, H.J. and M.J. Castellano Nitrogen dynamics in corn and soybean production: Lessons from the FACTS project in Agricultural Engineering and Agronomy Farm Field Day, Ames, IA. Poffenbarger, H.J., and M. Liebman Diversified crop rotations balance productivity, profitability, and environmental quality. Prairie Lakes Conference, Okoboji, IA. Poffenbarger, H.J. and S.C. Cordova Soil carbon and nitrogen cycling in Iowa cropping systems. 4R Technology Review and Summer Field Day. Field Extension and Education Laboratory, Ames, IA. Poffenbarger, H.J., G.M. Artz, G.R. Dahlke, W.M. Edwards, H.M. Hanna, J.R. Russell, H.J. Sellers, and M. Liebman An economic analysis of integrated crop-livestock systems in Iowa, U.S.A. Practical Farmers of Iowa Short Course, Ames, IA. Castellano, M.J., S.V. Archontoulis, S.C. Cordova, R. Dietzel, and H.J. Poffenbarger Nitrogen myths and realities. Integrated Crop Management Conference, Ames, IA. Poffenbarger, H.J An economic analysis of integrated crop-livestock systems in Iowa. Iowa Beef Center Grassroots Grazing Series, Ames, IA. Mirsky, S.B. and H.J. Poffenbarger Optimizing weed suppression and nutrient use efficiency in cover crop-based no-till organic corn. Penn State Cover Crop Innovations Webinar Series. Poffenbarger, H.J., S.B. Mirsky, R.R. Weil, J.J. Meisinger, J.E. Maul, M.A. Cavigelli, and J.T. Spargo Nutrient dynamics in organic reduced-till corn. Sustainable Agricultural Systems Laboratory Field Day, Beltsville, MD. LEADERSHIP AND SERVICE ACTIVITIES 2017 Organizer, Women s Professional Development Workshop Series, Ames, IA 2017 Judge, Iowa State University Undergraduate Research Symposium, Ames, IA 2016 Treasurer, Iowa State University Agronomy Graduate Student Club 2015 Presenter, Iowa State University Agronomy Freshmen Orientation 2012 Poster judge, FFA Agricultural Science Fair, College Park, MD 2011 Volunteer, 4-H Adventures in Science, College Park, MD 2009 Student leader, Girls in Engineering, Math and Science, Riverdale, MD 2007 Presenter, The Climate Reality Project, Frederick, MD Page 8 of 9

9 Journal reviews: Soil Science Society of America Journal, Agronomy Journal, Scientific Reports, Plant and Soil, Journal of Agricultural Science, Archives of Agronomy and Soil Science Member: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Page 9 of 9