Brenda Tubana

Tubana, Brenda
Title Associate Professor
Department School of Plant, Environmental and Soil Sciences
Address 1 309 Sturgis Hall - LSU
Baton Rouge, LA 70803
Phone 225-578-9420
Fax 225-578-1403

Ph.D. Soil Science. Oklahoma State University, 2007
M.S. Soil Science. University of the Philippines Los Baños, Philippines, 2002
B.S. Agriculture. University of the Philippines Los Baños, Philippines, 1992 

Distinguished Service Award, The Rice Technical Working Group, 2012

Gamma Sigma Delta Teacher Merit Honor Roll, 2011, 2014
Gerald O. Mott Meritorous Graduate Student Award in Crop Science, 2007
Williams Outstanding Thesis Award, Oklahoma State University, 2007
International Agroecosystems Scholarship Award, OSU-PSS, 2006
Outstanding Ph.D. Student Award, OSU-PSS, 2006

LSU AgCenter Consortium (PI - V. Kochergin). A regional program for production of multiple agricultural feedstocks and processing to biofuels and biobased chemicals. USDA-NIFA-AFRI. $17.5 million. 2011-2016.

Yin, F., J. Varco, D. Dunn, and B. Tubaña. Precision nitrogen management using integrated optical sensing and variable rate technologies. Multi-state project, USDA-NRCS-CIG. $650,827. 2011-2015.

Selim, M., and B. Tubaña. Implementation of new strategies for sugarcane residue and fertilizer management. USDA-NRCS-CIG. $74,905. S.  2012-2013.

Tubaña, B. An integrated canopy structure characterization for sugarcane grown on alluvial soils of Louisiana using remote sensing technology. USDA-CSREES-AFRI. $115,184. 

Tubaña, B., L. Datnoff, R. Schneider, H. Mascagni, M. Kongchum, and D. Harrell. Soil fertility calibration, agronomic, and plant pathological research for silica fertilization. Edward Levy Company. $258,708. 2012-2013.

Tubaña, B., L. Datnoff, and R. Schneider. Effect of silicon fertilization on the dynamics of plant available silicon in soils under different cropping systems in Louisiana. Harsco Minerals. $42,068. 2012-2013.

Tubaña, B. Non-Invasive, field-scale estimation of feedstock-based energy cane production using remote sensing technology. LSU Graduate School EDA. $100,000. 2012-2016.

Commodity Boards and others (Soybean and Grain Promotion Board, American Sugar Cane League, International Plant Nutrition Institute, and Cotton Inc.) - as Principal Investigator for project involving soil test calibration, fertility research, and integration of remote sensing technology in crop production. Total of $560,283 since 2008. 

Gift Funds - more than $110,000 since 2008.

2007 - present. Assistant Professor of Soil Fertility and Nutrient Management (85% Research/15% Teaching)
2004 - 2007. Graduate Research Assistant (Oklahoma State University)
1995 - 2003. Researcher (International Rice Research Institute)
1993 - 1995. Research Associate (University of the Philippines Los Baños)

Professional Membership/Services
Member, ASA-CSSA-SSSA since 2004
Member, American Society of Sugar Cane Technologist
Associate Editor, Agronomy Journal
Member, Gamma Sigma Delta Honor Society of Agriculture

Peer-Reviewed Journal Articles (recent six years)

Lofton, J., and B. Tubaña. 2013. Effect of nitrogen rate and time of application in sugarcane yield and quality. Journal of Plant Nutrition (in press).

Edmond, D., B. Tubaña, J.P. Kelly, J.L. Crain, M.D. Edmonds, J.B. Solie, R. Taylor, and W.R. Raun. 2013. Maize grain yield response to variable row nitrogen fertilization. Journal of Plant Nutrition, 36:1013-1024.

Tubaña, B., D. Harrell, T. Walker, J. Teboh, J. Lofton, and Y. Kanke. 2012. In-season canopy reflectance-based estimation of rice yield response to nitrogen. Agronomy Journal 104:1604-1611.

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

Harrell, D., B. Tubaña, T. Walker, and S. Phillips. 2011. Estimating rice grain yield potential using normalized difference -vegetation index.  Agronomy Journal 103:1717-1723.

Teboh, J., B. Tubaña, T.K. Udeigwe, Y. Emendack, and J. Lofton.  2012. Applicability of ground-based remote sensors for crop N management in Sub Saharan Africa. Journal of Agricultural Sciences 4:175-188.

Lofton, J. B. Tubaña, Y. Kanke, J. Teboh, and H. Viator. 2012. Predicting sugarcane response to nitrogen using a canopy reflectance-based response index value. Agronomy Journal 104:106-113.

Tubaña, B., D. Harrell, T. Walker, J. Teboh, J. Lofton, Y. Kanke, and S. Phillips. 2011. Relationships of spectral vegetation indices, biomass and grain yield of rice at different sensor view angles. Agronomy Journal 103:1405-1413.

Harrell, D., B. Tubaña, J. Lofton, and Y. Kanke. 2011. Rice response to nitrogen fertilization under stale seedbed and conventional tillage systems. Agronomy Journal 103:494-500.

Girma, K., S. Holtz, B. Tubaña, J. Solie, and W. Raun. 2010. Nitrogen accumulation in shoots as a function of growth stages of corn or winter wheat. Journal of Plant Nutrition 33:165-182.

Bueno, C.S., E. Pasuquin, B. Tubaña, and T. Lafarge. 2010. Improving sink regulation, and searching for promising hybrids, as a key avenue to increase yield potential of the rice crop in the tropics. Field Crops Research 3:199-207.

Arnall, D.B. B.S. Tubaña, S.L. Holtz, K. Girma, and W. Raun. 2009. Relationship between nitrogen use efficiency and response to fertilizer in winter wheat. Journal of Plant Nutrition 32:502-515.

Boquet, D., B.S. Tubaña, H. Mascagni, Jr., M. Holman, and S. Hague. 2009. Cotton yield responses to fertilizer nitrogen rates in a cotton-corn rotation. Agronomy Journal 101:400-407.

Tubaña, B.S., D.B. Arnall, O. Walsh, B. Chung, J.B. Solie, K. Girma, and W. Raun. 2008. Adjusting midseason nitrogen rate using a sensor-based optimization algorithm to increase use efficiency in corn. Journal of Plant Nutrition 31:1975-1998.

Tubaña, B.S., D.B. Arnall, S. Holtz, J.B. Solie, K. Girma, and W. Raun. 2008. Effect of treating spatial variability in winter wheat at different resolutions. Journal of Plant Nutrition 31:1393-1419.

Pasuquin, E., T. Lafarge, and B.S. Tubaña. 2008. Transplanting young seedlings in irrigated rice fields: early and high tiller production enhanced grain yield. Field Crops Research 105-141-155.

Soil fertility and nutrient management for major row-crops grown in Louisiana; precision agriculture with emphasis on the use of remote sensing to develop nitrogen management decision tools

Teaching Responsibilities
AGRO 4052 Soil Fertility and Nutrient Management
AGRO 7051 Advanced Soil Fertility and Plant Nutrition

Innovate . Educate . Improve Lives

The LSU AgCenter and the LSU College of Agriculture