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.

• 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

• Professor and Resident Coordinator (1984-present) 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

• Sugarcane stubble longevity

Viator, H.P., K. Quebedeaux, R. Ricaud and A. Arceneaux.1994. Influence of stubble longevity practices on the yield of sugarcane grown on fine-textured soil. J. Amer. Soc. Sugar Cane Tech. 14:76.

• Rotational crops grown during sugarcane fallow period

Viator, H.P. and J.L. Griffin. 2001. Fallow period cropping to soybeans can provide benefits. Louisiana Agriculture 44(4):15.

Hallmark, W. B., D. Broadhead, H.P. Viator, J.L. Rabb and R. Ricaud. 1984-85. Performance of sweet sorghum in Louisiana. Louisiana Agriculture 28(2):10.

Richard, E.P. and H.P. Viator. 1989. Crop-herbicide management options for johnson grass control in fallowed sugarcane fields. J. Amer. Soc. Sugar Cane Tech. 9:38.

Holcomb, G.E., H.P. Viator and L.P. Brown. 1992. First report of Cristulariella moricola on kenaf in Louisiana. Plant Disease 76(6):642.

Hallmark, W.B., L.P. Brown. R.L. Habetz, W.D. Caldwell, H.P. Viator and C.C. Cook. 1994. Kenaf-A new crop for Louisiana. Louisiana Agriculture 37(2):28.

Viator, H.P. and J. Hafley. 1995. Fallow-period legume contributions to sugarcane. J. Amer. Soc. Sugar Cane Tech. 15:65.

Viator, H.P. 1997. Soybeans in rotation with sugarcane. Sugar Bull. 75(6):17.

Viator H. P. 1998. Soybeans in rotation with sugarcane. J. Amer. Soc. Sugar Cane Tech.18:51.

Viator, H.P., Ricky Gonsoulin and Ken Naquin. Fallow-period Management Options. 2005. Sugar Bulletin 83(6):10.

• Medicinal plant evaluations

Liu, Zhijun, John C. Adams, H.P. Viator, Roysell J. Constantin, and Stanley B. Carpenter. 1999. Influence of soil fertilization, plant spacing, and coppicing on growth, stomatal conductance, abscisic acid, and camptothecin levels in Camptotheca acuminata seedlings. Physiologia Plantarum 105:402.

• Irrigation of sugarcane

Viator, H. P. and Ronald Hebert, Jr. 2001. Sugarcane on clay soil responds to irrigation. Sugar Bulletin 79(7):23.

Viator, H. P. and Ronald Hebert, Jr. 2001. Irrigation of sugarcane on clay in a high rainfall environment. Sugar Journal 64(1):32.

Viator, H. P., Michael Salassi and Ronald Hebert, Jr.1999. Furrow irrigation of sugarcane on a medium-textured soil. Sugar Journal 62(1):33.

Viator, H. P., M. E. Salassi and L.P. Champagne, 2000. Response of sugarcane to furrow irrigation in Louisiana. Sugar Bulletin 78(8)20.

• Fertilization of sugarcane

Viator, H. P. and W. B. Hallmark. The Response of LCP 85-384 to the Application of Silicate Slag in Louisiana. 2004. Sugar Journal. 67(1):14. Abstr.

Wang, J.J., C. Kennedy, S. Viator and A. Guidry. Effect of Zinc Fertilization on Sugar Cane (LCP 85-384) Yields. 2004. Sugar Journal. 67(1):32. Abstr.

Wang, J.J., C.W. Kennedy, H.P. Viator, A.E. Arceneaux, and A.J. Guidry. 2005. Zinc fertilization of sugarcane in acid and calcareous soils. J. Am. Soc. Sugar Cane Technologists 25:49.

Viator, H.P., G. Breitenbeck, J. Flanagan, B. Joffrion, B. Legendre and R. Louque.  2006.  A Survey of Soil Salt Content Resulting from Hurricanes Katrina and Rita.  Sugar Bulletin 84(7):25-26.

Richard, J.E., H.P. Viator, C.W. Kennedy and G.J. Williams.  2006.  Field Evaluation of Foliar- and Soil-Applied Plant Nutrition Compounds in Sugarcane.  Sugar Journal 69(1):23.  Abstr.

Johnson, Richard M., Howard P. Viator and Benjamin L. Legendre.  2008.  Sugarcane fertilizer recommendations for the 2008 crop year.  Sugar Bulletin 86(6):11-13.

Viator, H.P., Bob Downer and Maurice Wolcott. 2003. Using Soil Electrical Conductivity for Variable Nitrogen Rate Management. Sugar Bulletin 82(1):15.

Viator, H.P. and R.G. Downer. 2005. Site-specific nitrogen fertilization of sugarcane. 5^th European Conference on Precision Ag. Poster Abstr. P 309.

Viator, H. P. and R. G. Downer.  2005.  Variable-rate nitrogen management of sugarcane.  Sugar Journal 68(1):28.  Abstr.

Viator, H.P. "Sonny", Richard Johnson and Maurice Wolcott.  2008.  Application of precision agriculture technologies to sugarcane.  Louisiana Agriculture 51(2):40-42.
       

•  Post harvest-residue management 

Viator, H.P. "Sonny", Richard Bengston, Steven Hall, Lewis Gaston, Magdi Selim, Jim Wang, Benjamin Legendre, Thomas Hymel, Jimmy Flanagan, Jeff Hoy, Charles Kennedy and Jacqueline Prudente.  2008.  Influence of sugarcane post-harvest residue management on yield and water quality.  Louisiana Agriculture 51(2):39-40.

Viator, H., L. Gaston, J. Flanagan, S. Hall, J. Hoy, T. Hymel, B. Legendre and J. Wang. 2007. The Influence of Combine-residue Management on Surface Water Quality and Sugarcane Productivity. J. Amer. Soc. Sugar Cane Tech. 27:65.  Abstr.