​Lifetime count: > 110 (past three years listed below)   

• Mueller, S.M., and T.J. Vyn. 2018. Can late-split nitrogen application increase ear nitrogen accumulation rate during the critical period in maize? Crop Science 58:1-12. doi:10.2135/cropsci2017.0200118 Open Accces. View the Publication​
  
• Chen, Keru, and Tony J. Vyn*. 2017. Post-silking factor consequences for N efficiency changes over 38 years of commercial maize hybrids. Frontiers in Plant Science (8:1737 1-18) View the Publication​
• Li, G., B. Zhao, S., Dong, J. Zhang, P. Liu and T.J. Vyn. 2017. Impact of controlled release on urea on maize yield and nitrogen use efficiency under different water conditions. PLoS ONE 12 (7): doi.org/10.1371/journal.pone.0181774 View the Publication​
• Mueller, S.M., J. Camberato, C. Messina, J. Shanahan, H. Zhang and T.J. Vyn*. 2017. Late-split N applications increased maize plant N recovery but not yield under moderate to high N rates. Agron. J. 109:2589-2699. doi: 10.2134/agronj2017.05.0282 View the Publication​​
• ​​de Oliveira Silva, A., J.J. Camberato, T. Coram, T. Filley, and T.J. Vyn*. 2017. Applicability of ​a "multi-stage pulse labeling" 15N approach to phenotype N dynamics in maize plant components during the growing season. Front. Plant Sci. 8: 1-17. doi: 10.3389/fpls.2017.01360  View the Publication​
  
• Kovacs, P.*, and T.J. Vyn*. 2017. Relationships between ear-leaf nutrient concentrations and silking and corn biomass and grain yields at maturity. Agron. J. 109: 2898-2906. doi: 10.2134/agronj2017.02.0119   View the Publication​
• Omonode.R.A., A.D. Halvorson, B. Gagnon, and T.J. Vyn*. 2017. Achieving lower nitrogen balance and higher nitrogen recovery efficiency reduces nitrous oxide emissions in North America's maize cropping systems. Frontiers in Plant Science 8:1080. doi: 10.3389/fpls.2017.01080 View the Publication
• Chen.K.*, J.J. Camberato, and T.J. Vyn*. 2017. Maize grain yield and kernel component relationships to morphophysiological hybrids separated by four decades. Crop Science 57 (3): 1-17._DOI: 10.3235/cropsci2016.06.0540 View the Publication​
• ​Chen, K.* J.J. Camberato, M.R. Tuinstra, S.V. Kumudini, M. Tollenaar, and T.J. Vyn*. 2016. Genetic improvement in density and nitrogen stress tolerance traits over 38 years of commercial maize hybrid release. Field Crops Res. 196 438-451. doi: 10.1016/j.fer2016 07.025.  View the Publication​​
• Mueller, S.M.* and T.J. Vyn* .2016. Maize plant resilience to N stress and post-silking N capacity changes over time: A review. Frontiers in Plant Science 7:53 1-14 View the Publication
• ​Chen, K., Kumudini, S.V., Tollenar, M., and Vyn, T.J*, 2015. Plant biomass and nitrogen partitioning changes between silking and maturity in newer versus older maize hybrids. Field Crops Research. 183:315-328. View the Publication​​
• Kovacs, P.*, G.E. Van Scoyoc, T.A. Doerge, J.J. Camberato, and T.J. Vyn*. 2015. Anhydrous Ammonia Timing and Rate Effects on Maize N Use Efficiencies. Agronomy Journal 107: 1205-1214. doi:10.2134/agronj14.0350 View the Publication​
• Omonode, R.A.*, Kovacs, P., & Vyn, T.J.* 2015. Tillage and nitrogen rate effects on area-and yield-scaled nitrous oxide emissions from pre-plant anhydrous ammonia. Agronomy Journal 107:605-614, doi: 10.2134/agronj14.0440 View the Publication​
  

 ​Non-refereed Conference Proceedings

•  Kovacs, P., G.E. Van Scoyoc, T.A. Doerge, J.J. Camberato, and T.J. Vyn. 2012. Consequences of shallow NH3 placement and timing on N use efficiencies in corn production. Proceedings, 42nd North Central Extension-Industry Soil Fertility Conference, Des Moines, Iowa. November 14-15, 2012. Pages 183-189. View the Publication​