• Acting Head, Audubon Sugar Institute (December, 2016 – June, 2018)
• Professor of Agronomy (2015 – present), Sugar Research Station
• Professor and Resident Coordinator (1984-2015), Iberia Research Station
• Associate Professor of Agronomy (1979-1984), Louisiana State University Agronomy Department
• Assistant Professor of Agronomy (1976-1979), Louisiana State University Agronomy Department

Selected Publications

Viator H., Aita G., Aragon D., Ehrenhauser F., Salassi, M., Birkett H. (2019) Sugarcane Biofuel Production in the USA. In: Khan M., Khan I. (eds) Sugarcane Biofuels. Springer, Cham DOI 10.1007/978-3-030-18597-8_14

Dattamudi, S., J.J. Wang, S. Dodla, H. Viator, R. DeLaune, A. Hiscox, M. Darapuneni, C. Jeong, and P. Colyer. 2019. Greenhouse Gas Emissions as Influenced by Nitrogen Fertilization and Harvest Residue Management in Sugarcane Production. Agrosyst. Geosci. Environ. 2:190014. DOI:10.2134/age2019.03.0014

Tobias, E., C. Gaudet, H. Viator, D. Aragon, and F. Ehrenhauser. 2018. Leaf and panicle separator for sweet sorghum. Sugar Tech. DOI:10.1007/s12355-017-0583-x

Howard Viator, Daira Aragon, Harold Birkett and Jeanie Stein. 2017. Partitioning the Effects of Plant Trach on Sweet Sorghum Biomass Yield, Fiber Content and Juice Quality Parameters. Sugar Tech. DOI: 10.1007/s12355-017-0549-z.

Salassi, M. E. ……………….. Howard P. Viator. 2017. Feedstock Crop Production Costs and Biofuel Feedstock Input Costs Associated with the Production of Energy Cane and Sweet Sorghum in the Southeastern USA. BioEnergy Research. DOI 10.1007/s12155-017-9838-3.

Aragon, Daira, Howard P. Viator, and Franz S. Ehrenhauser. 2017. Assessment of Sugarcane Billet Harvester on Recovery of Sweet Sorghum Biomass for Ethanol Production. BioEnergy Research. DOI 10.1007/s12155-017-9839-2.

Johnson, R.M., H.P. Viator, J.C. Stevens, and B.S. Tubana. 2017. Sugarcane Yields Do Not Respond to Phosphorus Fertilizer in Ratoon Crops of LCP 85-384 in Louisiana. J. Amer. Soc. Sugar Cane Technol. 37:1-12.

Dattamudi, S., J.J. Wang, S.K Dodla, A. Arceneaux, and H. P Viator. 2016. Effect of Nitrogen Fertilization and Residue Management Practices on Ammonia Emissions from Subtropical Sugarcane Production. Atmospheric Environ. 139:122-130.

Kanke, Yumiko, Brenda Tubana, Marilyn Dalen, Joshua Lofton and Howard Viator. 2016. Relation between early season-measured agronomic variables and sugar yield responses to nitrogen. Agronomy J. 108:794-804.

Viator, H.P., S. Lu, and D. Aragon. 2015. Influence of Panicles and Leafy Material on Sweet Sorghum Juice Quality. J. Amer. Soc. Sugar Cane Technol. 35:21-30.

Hiscox, A.L., S. Flecher, J.J. Wang, and H.P. Viator. 2015. A Comparative Analysis of Potential Impact Area of Common Sugar Cane Burning Methods. Atmospheric Environment. 106:154-164.

Burks, P. S., T.J. Felderhoff, H.P. Viator, and W.L. Rooney. 2013. The Influence of Hybrid Maturity and Planting Date on Sweet Sorghum Productivity During a Harvest Season. Agronomy Journal.105(1):263-267.

Viator, H.P. and Brenda Tubana. 2012. Evaluation of the Use of Green Manure Soybean Grown in Rotation with Sugar Cane in a Sub-tropical Environment. J. Amer. Soc. Sugar Cane Tech. 32:51-60.

Lofton, J., B. Tubana, Y. Kanke, J. Teboh, H. Viator, and M. Dalen. 2012. Estimating sugarcane yield potential using an in-season determination of normalized difference vegetative index. Sensor 12:7529-7547.

Lofton, J., B.S. Tubana, Y. Kanke, J. Teboh and H. Viator. 2012. Predicting sugarcane response to nitrogen using a canopy reflectance-based response index value. Agron. J. 104(1):106-113.

Han, K.J., W.D. Pitman, W.M. Alison, M. Kim, D.L. Harrell, S. Viator, M.E. McCormick, K. Gravois, D.F. Day. 2012. Agronomic considerations for sweet sorghum biofuel production in the south-central USA. BioEnergy Research. DOI 10.1007/s12155-012-9185-3.

Viator, H.P. and J.J. Wang. 2011. Effects of residue management on yield after three production cycles of a long-term sugarcane field trial in Louisiana. J. Amer. Soc. Sugar Cane Tech. 31:15-25.

Viator, H.P., et. al. 2009. The Influence of post-harvest residue management on water quality and sugarcane yield in Louisiana. J. Amer. Soc. Sugar Cane Tech. 29:1-10.

Udeigwe, T.K., J.J. Wang, H.P. Viator, and L. Gaston. 2009. Surface water quality as affected by sugarcane residue management techniques. J. of Water, Air and Soil Pollution. 208:119-128. doi:10:1007/s11270-009-0153-2.

• Evaluation of precision farming technologies in sugarcane
• Evaluation of the long-term effects of combine harvest residue retention in sugarcane
• Assessment of sugarcane experimental clones in diverse environments
• Evaluation of sugar crops for biofuel production

1969 - B.S., Agronomy, University of Southwestern Louisiana

1974 - M.S., Agronomy (Plant Breeding), Louisiana State University

1976 - Ph.D., Agronomy (Plant Breeding), Louisiana State University