Lifetime count: Approximately 105 (past three years listed below)   

• 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): e0181774 doi.org/10.1371/journal.pone.0181774 View the Publication​
• Mueller, S., J. Camberato, C. Messina, J. Shanahan and H. Zhang. 2017. Late-split N applications increased maize plant N recovery but not yield under mmoderate to high N rates. Agron. J. (First look sorted 9/18/17) 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: 1-9. 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. * 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​

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