Tony J Vyn

Professor of Agronomy

 
Department: Agronomy
Phone: 765.496.3757
Fax: 765.496.2926
Office: Lilly 3-450B
Area of Expertise: Cropping Systems, Tillage
 


 


 







Recent Journal Publications:

Lifetime count: Approximately 80 (past three years listed below)                                                                                   

  • Kovacs, P., Van Scoyoc, G.E., Doerge, T.A., Camberato, J.J., and Vyn, T.J*. 2015. Anhydrous ammonia timing and rate effects on maize N use efficiencies. Agronomy Journal. doi:10.2134/agronj14.0350. Published online Feb. 10 2015.  PDF​

  • Omonode*, R.A., Kovacs, P., and T.J. Vyn*. 2015. Tillage and nitrogen rate effects on area- and yield-scaled nitrous oxide emmisions from pre-plant anhydrous ammonia. Agronomy Journal 107:605-614. doi:10.2134/agronj14.0440. First look publisheDec. 30, 2014: pages 1-32. PDF​​

  • Ciampitti*, I. A., and T.J. Vyn. 2014. Understanding global and historical nutrient use efficiencies for closing maize yield gaps. Agronomy Journal 106:634-644. doi:10.2134/agronj14.0025. Just Published version online Sept. 15, 2014.  PDF​

  • Kovacs, P., Doerge, T.A., Van Scoyoc, G.E., Camberato, J.J., and Vyn, T.J.* 2014. Pre-plant anhydrous ammonia placement consequences on no-till versus conventional maize growth and nitrogen responses. Agronomy Journal 106:634-644. doi:10.2134/agronj14.0173. ​PDF​

  • Kovacs, P., and T.J. Vyn. 2014. Full-season retrospectives on causes of plant-to-plant variability in maize grain yield response to nitrogen and tillage. Agronomy Journal 2014 106 (5):1746-1757. doi:10.2134/agronj14.0173. Abstract: https://dl.sciencesocieties.org/publications/aj/abstracts/106/5/1746?search-result=1​​

  • Kumudini,S.,  F. H. Andrade, K. J. Boote, G. A. Brown, K. A. Dzotsi, G. O. Edmeades, T. Gocken, M. Goodwin, A. L. Halter, G. L. Hammer, J. L. Hatfield, J. W. Jones, A. R. Kemanian, S.-H. Kim, J. Kiniry, J. I. Lizaso, C. Nendel, R. L. Nielsen, B. Parent, C. O. Stöckle, F. Tardieu, P. R. Thomison, D. J. Timlin, T. J. Vyn, D. Wallach, H. S. Yang and M. Tollenaar. 2014. Predicting maize phenology: intercomparison of functions for developmental response to temperature. Agronomy Journal 106: 2087-2097. doi: 10.2134/agronj14.0200. Online Sept. 15, 2014. PDF​

  • Ciampitti*, I. A., and T.J. Vyn. 2014. Nutrient sufficiency concepts for modern corn hybrids: Impacts of management practices and yield levels. Crop Management, 13(1), 1-7. doi: 10.2134/CM-2013-0022. First Look Article posted January 30, 2014. PDF

  • Burzaco*, J. P., I. A. Ciampitti, and T. J. Vyn*. 2014. Nitrapyrin impacts on maize yield and nitrogen use efficiency with spring-applied nitrogen: Field studies vs. meta-analysis comparison. Agronomy Journal 106:753-760.  doi:10.2134/agronj2013.0043 (First published online as a “First Look” manuscript in November, 2013). https://www.agronomy.org/publications/aj/abstracts/106/2/753

  • Kovacs*, P., G.E. Van Scoyoc, T. A. Doerge, J.J. Camberato, and T.J. Vyn*. 2014. Pre-plant anhydrous ammonia placement consequences on no-till versus conventional maize growth and nitrogen responses. Agronomy Journal 106:634-644. (First published online as a “First Look” manuscript in November, 2013). doi:10.2134/agronj2013.0356  Open Access https://dl.sciencesocieties.org/publications/aj/abstracts/106/2/634  

  • Boyer, J.S., P. B. Byrne, K.G. Cassman, M. Cooper, D. Delmer, T. Greene, F. Gruis, J. Habben, N. Hausmann, N. Kenny, R. Lafitte, S. Paszkiewicz, D. Porter, A. Schlegel, J. Schussler, T. Setter, J. Shanahan, R.E. Sharp, T.J. Vyn, D. Warner, and J. Gaffney*. 2013. The U.S. drought of 212 in perspective: A call to action. Global Food Security 2:139-143. http://dx.doi.org/10.1016/j.gfs.2013.08.002  

  • Burzaco, J. P., D.R. Smith, and T.J. Vyn*. 2013. Nitrous oxide emissions in Midwest US maize production vary widely with band-injected N fertilizer rates, timing and nitrapyrin presence. Environmental Research Letters 8 (3): 1-11.  doi:10.1088/1748-9326/8/3/035031 Open Access  http://iopscience.iop.org/1748-9326/8/3/035031/  

  • Ciampitti*, I. A., and T.J. Vyn*. 2013. Grain nitrogen sources over time in maize: A review. Crop Science 53(2): 366-377. doi:10.2135/cropsci2012.07.0439 Open Access  https://dl.sciencesocieties.org/publications/cs/abstracts/53/2/366
     
     
  • Ciamptti*, I. A., J. J. Camberato, S. T. Murrell, and T. J. Vyn*. 2013. Maize nutrient accumulation and partitioning in response to plant density and nitrogen rate: 1. Macronutrients. Agronomy Journal 105(3): 783-795. doi:10.2134/agronj2012.0467 Open Access  https://dl.sciencesocieties.org/publications/aj/abstracts/105/3/783  
     
  • Ciampitti*, I. A., and T. J. Vyn*. 2013. Maize nutrient accumulation and partitioning in response to plant density and nitrogen rate: II Calcium, magnesium, and micronutrients. Agronomy Journal 105(6): 1645-1657. doi:10.2134/agronj2013.0126 https://www.agronomy.org/publications/aj/abstracts/105/6/1645 

  • Ciampitti*, I. A., S. T. Murrell, J. J. Camberato, M. Tuinstra, Y. Xia, P. Friedemann, and T. J.  Vyn*. 2013. Physiological dynamics of maize nitrogen uptake and partitioning in response to plant density and nitrogen stress factors: I. Vegetative phase. Crop Science, 53(6): 2588-2602. doi:10.2135/cropsci2013.01.0040 https://dl.sciencesocieties.org/publications/cs/abstracts/53/5/2105   

  • Ciampitti*, I. A., S. T. Murrell, J. J. Camberato, M. Tuinstra, Y. Xia, P. Friedemann, and T. J. Vyn*. 2013. Physiological dynamics of maize nitrogen uptake and partitioning in response to plant density and nitrogen stress factors: II. Reproductive phase. Crop Science, 53(6): 2588-2602. doi:10.2135/cropsci2013.01.0041 https://dl.sciencesocieties.org/publications/cs/abstracts/53/6/2588  

  • Omonode*, R.A., and T.J. Vyn*. 2013. Nitrification kinetics and nitrous oxide emissions when nitrapyrin is coapplied with urea–ammonium nitrate. Agron. J. 105:1475–1486. doi:10.2134/agronj2013.0184 https://dl.sciencesocieties.org/publications/aj/abstracts/105/6/1475  

  • Roth*, J. A., I. A. Ciampitti, and T. J. Vyn*. 2013. Physiological evaluations of recent drought-tolerant maize hybrids at varying stress levels. Agronomy Journal, 105, 1129-1141. doi:10.2134/agronj2013.0066 https://dl.sciencesocieties.org/publications/aj/abstracts/105/4/1129  

  • Seo, J., T.J. Vyn, A. Gal, and D.R. Smith. 2012. Soil greenhouse gas emissions from three decades long-term experimental field of corn-soybean rotation and tillage treatments.Korean J. Crop Science 57(1): 89-97.

  • Robles, M. I.A. Ciampitti, and T.J. Vyn. 2012. Responses of maize hybrids to twin-row spatial arrangement at multiple plant densities. Agron. J. 104:1747-1756.doi:10.2134/agronj2012.0231.

  • Ciampitti, I. A., H. Hao, P. Friedemann, and T.J. Vyn. 2012. Potential physiological frameworks for mid-season field phenotyping of final plant N uptake, N use efficiency and grain yield in maize. Crop Science 52: 2728-2742.

  • Ciampitti, I.A., and T.J. Vyn. 2012. Physiological perspectives of changes over time in maize yield dependency on nitrogen uptake and associated nitrogen efficiencies: A review. Field Crops Res. 133: 48-67. http://www.sciencedirect.com/science/article/pii/S0378429012001013

  

Non-refereed Conference Proceedings

Conference Abstracts

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