Brenda Tubana

Title Associate Professor
Department School of Plant, Environmental and Soil Sciences
E-mail BTubana@agcenter.lsu.edu
Address 1 309 Sturgis Hall - LSU
Baton Rouge, LA 70803
Phone 225-578-9420
Fax 225-578-1403

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

Peer-Reviewed Journal Articles (last 10 years)

Stefanini, M., J.A. Larson, D.M. Lambert, X. Yin, C.N. Boyer, P. Scharf, B.S. Tubana, J.J. Varco, D. Dunn, H.J. Savoy, and M.J. Buschermohle. 2018. Effects of optical sensing based variable rate nitrogen management on yields, nitrogen use, and profitability for cotton. Precision Agriculture xx:xxx. (in review).

Dalen, M., B. Tubana, Y. Kanke, and C. Kimbeng. 2018. Relationship of red and red-edge reflectance vegetation indices with stalk and fiber yield of energy cane harvested at different dates. Precision Agriculture xx:xxx (submitted).

White, B., B. Tubana, T. Babu, H. Mascagni, Jr., F. Agostinho, L. Datnoff, and S. Harrison. 2017. Effect of silicate slag application on wheat grown under two nitrogen rates. Plants 6:47-61.

Agostinho, F.B., B. Tubana, M. Martins, and L.E. Datnoff. 2017. Effect of different silicon sources on yield and silicon uptake of rice grown under varying phosphorus rates. Plants 6:1-17.

Tubana, B., T. Babu, and L. Datnoff. 2016. A review of silicon in soils and plants and its role in US agriculture: history and future perspective. Soil Sci. 181:393-411.

Babu, T., B. Tubana, L. Datnoff, J. Yzenas, and K. Maiti. 2016. Release and sorption pattern of monosilicic acid from silicon fertilizers in different soils of Louisiana: a laboratory incubation study. Comm. Plant Soil Anal. 47:1559-1577. http://dx.doi.org/10.1080/00103624.2016.1194995

Babu, T., B. Tubana, W. Paye, Y. Kanke, and L. Datnoff. 2016. Establishing soil silicon test procedure and critical silicon level for rice in Louisiana soils. Comm. Plant Soil Anal. 47:1578-1597. http://dx.doi.org/10.1080/00103624.2016.1194996

Babu, T., B. Tubana, P. Dupree, B. White, and L. Datnoff. 2016. Survey of plant-available silicon status of agricultural soils in Louisiana. J. Plant Nutri. In press. http://dx.doi.org/10.1080/01904167.2017.1346668

Kanke, Y., B. Tubana, M. Dalen, J. Lofton, and H. Viator. 2016. Relation between early season-measured agronomic variables and sugar yield response to nitrogen. Agron. J. 108:794-804.

Kanke, Y., B. Tubana, M. Dalen, and D. Harrell. 2016. Evaluation of red and red-edge reflectance-based vegetation indices for rice biomass and grain yield prediction models in paddy fields. Precision Ag. 17:507-530. doi:10.1007/s11119-016-9433-1

Selim, M., A. Newman, L. Zhang, A. Arceneaux, B. Tubana, and L. Gaston. 2016. Distribution of organic carbon and related parameters in a Louisiana sugarcane soil. Soil Till.Res. 155:401-411

Lofton, J., B, Haggard, D. Fromme, and B. Tubana. 2014. Utilization of poultry litter, tillage, and cover crops for cotton production on highly degraded soils in Northeast Louisiana. J.Cotton Sci. 18:376-384.

Dalen, M., B. Tubaña, Y. Kanke, J. Lofton, and H. J. Mascagni, Jr. 2015. Growth and yield of corn grown on two alluvial soils of Louisiana under different phosphorus rates. J. Plant Nutr. DOI:10.1080/01904167.2015.1105261(http://dx.doi.org/10.1080/01904167.2015.1105261)

Lofton, J., and B.S. Tubaña. 2015. Effect of nitrogen rate and time of application on sugarcane yield and quality. J. Plant Nutr. 38:161-176

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. J. Plant Nutr. 36:1013-1024.

Tubaña, B.S, 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. Predicting sugarcane yield potential using an in-season vegetation index. Sensor 12:7529-7547.

Teboh, J., B.S. 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 Science 4:175-188.

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

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

Tubaña, B.S., 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. Agron. J. 103: 1403-1411

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

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

Lofton, J., D.C. Weindorf, B. Haggard, and B.S. Tubaña. 2010. Nitrogen variability: a need for precision agriculture. Agricultural Journal 5:6-11.

Bueno, C.S., E. Pasuquin, B.S. 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 Res. 3:199-207.

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

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

Chung, B., K. Girma, K. Martin, B.S. Tubaña, D.B. Arnall, S. Holtz, and W.R. Raun. 2008. Determination of optimum resolution for predicting corn grain yield using sensor measurements. Archives of Agronomy and Soil Science 54:481-491.

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

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

Book Chapter

Tubana, B., and J. Heckman. 2015. Silicon in Soils and Plants. In: Rodrigues FA, Datnoff LE (eds) Silicon and Plant Diseases. Springer, Switzerland, pp. 7-52.

Trade Journal/Magazine (last 5 years)

Tubana, B., R.L. Frazier, M. Dalen, and D. Burns. 2017. Producing more cotton with less nitrogen: taking optical remote sensing to a higher level. Louisiana Agriculture 60(4):26-27.

Agostinho, F., and B. Tubana. 2017. Potential of Silicon Fertilization in Reducing Arsenic Accumulation in Rice Grains. Louisiana Agriculture. Available online at http://www.lsuagcenter.com/profiles/lbenedict/arti...

Johnson, R.M., H.P Viator, J.C. Stevens, and B. Tubana. 2017. Sugarcane yields do not respond to phosphorus fertilizer in ratoon crops of LCP 85-384 in Louisiana. Journal of American Society of Sugar Cane Technologists 37:1-12.

Tubaña, B.S., R. Johnson, and H. Viator. 2015. Nitrogen management research in Louisiana sugarcane production systems. Sugar Bulletin 93(7):17-18.

Mascagni, H., B. Tubaña, M. Salassi, and M. Deliberto. 2014. Influence of supplemental nitrogen applications at tassel emergence on corn yield on a Mississippi River alluvial soil. Louisiana Agriculture 57 (1):26-27.

Tubaña, B.S. 2013. Protecting our soil. Louisiana Agriculture 56 (2):4-5.

Tubaña, B.S., H. Mascagni, Jr., and J. Wang. 2013. Soil phosphorus buffer coefficient can improve soil test-based phosphorus recommendation. Louisiana Agriculture 56 (2):20-21.

Tubaña, B.S., D. Boquet, and J. Wang. 2013. Soil fertility in soybean production. Louisiana Agriculture 56 (2):22-23.

Tubaña, B.S., D. Harrell, H. Mascagni, Jr., D. Boquet, and S. Viator. 2013. On-site optical sensor-based nitrogen recommendation makes sense. Louisiana Agriculture 56 (2):16-19.

Wang, J., B. Tubaña, R. Henderson, and J. Stevens. 2013. Improving soil testing and interpretation. Louisiana Agriculture 56 (2):11.

Mascagni, H. Jr., and B. Tubaña. 2013. Influence of nitrogen rate on corn yield over the past decade on two Mississippi River alluvial soils. Louisiana Agriculture 56(2) (available online at http://www.lsuagcenter.com/en/communications/publications/agmag/).

Viator, H., R. Johnson, and B. Tubaña. 2013. Research leads to lower recommended nitrogen fertilizer rates for Louisiana sugarcane. Louisiana Agriculture 56(2):14-15.

Viator, H.P., B. Tubana, and R. Johnson. 2013. How much fertilizer nitrogen does sugarcane need? Sugar Journal 76(5):24-26.

Viator, H.P., B. Tubana, and T. Johnson. 2013. How much fertilizer nitrogen does sugarcane need? Sugar Bulletin 91(11):19-21.

Conference Proceedings and Abstracts (Selections from >140)

Tubana, B., T. Babu, B. White, F. Agostinho, W. Paye, and L. Datnoff. 2017. Understanding the dynamics of silicon in plant and soil are essential for establishing silicon fertilization guidelines. In 7th International Conference on Silicon in Agriculture, Bengaluru, India, Oct. 24-28, 2017.

Tubana, B.S., D. Harrell, T. Walker, and S. Phillips. 2016. Evaluation of optical sensor-based nitrogen recommendation for Mid-Southern U.S. rice production system. In 36th Rice Technical Working Group Meeting Proceedings. Galveston, TX, March 1-4, 2016.

Tubana, B., L. Datnoff, C. Narayanaswamy, B. White, T. Babu, and J. Yzenas. 2014. Changes on plant-available silicon level of selected soils from the Midwest and South USA applied with different rates of silicate slag. In 6th International Conference on Silicon in Agriculture, Stockholm, Sweden, Aug. 26-31, 2014.

Tubana, B. 2013. Variable nitrogen rate technology in cotton production using an integrated optical sensing system. National Conservation Systems Cotton and Rice Conference, Baton Rouge, LA, January 31 – February 1, 2013.

Tubana, B., M. Martins, M. Dalen, Y. Kanke, M. Shahrtash, B. White, T. Babu, and H. Mascagni. 2016. Impact of silicate slag fertilization on wheat yield and grain protein content. ASA-CSSA-SSSA International Annual Meetings. November 6-9, 2016, Phoenix, AZ.

Kwakye, S., J. Garrett, M. Martins, D. Forestieri, W. Paye, M. Dalen, F. Agostinho, and B. Tubana. 2017. Effects of nitrogen fertilizer source on soil inorganic N content, sugarcane yield and quality parameters. ASA-CSSA-SSSA International Annual Meetings. October 22-25, 2017, Tampa, FL.(3RD PLACE M.S. GRADUATE STUDENT ORAL COMPETITION)

Forestieri, D., M. Martins, M. Dalen, J. Garrett, S. Kwakye, W. Paye, F. Agostinho, and B. Tubana. 2017. Improving nitrogen management strategies in Louisiana sugarcane production systems. ASA-CSSA-SSSA International Annual Meetings. October 22-25, 2017, Tampa, FL.(2ND PLACE GRADUATE STUDENT ORAL COMPETITION)

Agostinho, F., B. Tubana, M. Martins, W. Paye, and L. Datnoff. 2017. Arsenic adsorption in soil with increasing levels of monosilicic acid in solution: a laboratory incubation study. ASA-CSSA-SSSA International Annual Meetings. October 22-25, 2017, Tampa, FL.(1ST PLACE Ph.D. GRADUATE STUDENT POSTER COMPETITION)

Agostinho, F., B. Tubana, M. Martins, G. Alves, W. Paye, and L. Datnoff. 2016. Arsenic dynamics and fractions in silicon-treated soil and its accumulation in rice. ASA-CSSA-SSSA International Annual Meetings. November 6-9, 2016, Phoenix, AZ.(1ST PLACE Ph.D. GRADUATE STUDENT ORAL COMPETITION)

Babu, T., B. Tubana, L. Datnoff, J. Wang, and J. Yzenas. 2014. Release pattern of monosilicic acid from different sources of silicon in soils of Louisiana. ASA-CSSA-SSSA International Annual Meetings. November 2-5, 2014, Long Beach, CA. (1ST PLACE Ph.D. ORAL PRESENTATION COMPETITION)

White, B., H. Mascagni, Jr., P. Dupree, T. Babu, and B. Tubana. 2014. Effect of varying rates of silicon and nitrogen fertilizer on grain yield, yield components, and nutrient uptake of wheat. ASA-CSSA-SSSA International Annual Meetings. November 2-5, 2014, Long Beach, CA. (2ND PLACE M.S. ORAL PRESENTATION COMPETITION)

S. Chanda, S. Maia, B. White, M Dalen, P. Dupree, and B. Tubana. 2014. Evaluation of nitrogen response pattern between early-season biomass production and biomass yield at harvest in energy cane. ASA-CSSA-SSSA International Annual Meetings. November 2-5, 2014, Long Beach, CA. (1ST PLACE Ph.D. POSTER PRESENTATION COMPETITION)

White, B., H. Mascagni, Jr., P. Dupree, and B. Tubana. 2013. Silicon and nitrogen fertilization influences wheat biomass and grain yield. ASA-CSSA-SSSA International Annual Meetings. November 3-6, 2013, Tampa, FL. (5TH PLACE M.S. POSTER COMPETITION)

Lofton, J., S. Bhusal, D. Boquet, E. Clawson, J. Teboh, and B. Tubaña. 2010. Midseason estimates of cotton lint yield response to nitrogen fertilizer using in-season plant based-indices. Beltwide Cotton Conference, New Orleans, LA, January 4-7, 2010. (2ND PLACE GRADUATE STUDENT COMPETITION)

Asis, Jr., C.A. §, B. Tubaña, M. Kongchum, and R. D. DeLaune. 2012. Effect of silicate fertilizer application on methane emission from rice. First National Conference on Research in Climate Change and Variability. National Academy of Science and Technology, Philippines. Pasay City, Philippines, September 27, 2012. (BEST SCIENTIFIC POSTER AWARD)

Competitive Grants

Tubana, B., L. Fultz, M. Selim, and S. Viator. 2017-2021. Feedstock production potential of energy cane-sweet sorghum rotation with winter cover crop system. USDA-NIFA-AFRI. $387,000.

Fultz, L., M. Selim, and B. Tubana. 2016-2020. Water quality and soil health under fallow season cover crops in Mid-South row-crop production. USDA-NRCS-CIG. $999,012.

Yin, F., J. Varco, B. Tubana, and P. Scharf. 2011-2015. Precision nitrogen management using integrated optical sensing and variable rate technologies. USDA-NRCS-CIG. $650,827

Kochergin, V. et al.2011-2016. A regional program for production of multiple agricultural feedstocks and processing to biofuels and biobased chemicals. USDA-NIFA-AFRI. $17,289,335

Tubana, B. 2010-2012. An integrated canopy structure characterization for sugarcane grown on alluvial soils of Louisiana using remote sensing technology. USDA-CSREES-AFRI. $115,184

Selim, M., and B. Tubana. 2012-2016. Implementation of new strategies for sugarcane residue and fertilizer management. USDA-NRCS-CIG. $149,905

Tubana, B. 2012-2016. Non-invasive, field-scale estimation of feedstock-based energy cane production using remote sensing technology. LSU Graduate School Economic Development Assistantship. $100,000

Tubana, B. 2008. Estimating sugarcane yield potential and responsiveness to nitrogen fertilization using mid-season crop canopy reflectance. PFund Board of Regents. $10,000

Tubana, B., and M. Kongchum. 2011. LSU USDA 2011 Global Research Alliance Fellowship Proposal. USDA-FAS. $29,980

Tubana, B., D. Harrell, and H. Viator. 2015. Generating nitrogen fertilizer prescriptions for crop production based on nitrogen algorithm using unmanned aircraft vehicle-acquired images and ground-based optical sensor. LSU Board of Supervisors. $20,484.

Commodity Boards

Tubaña, B.S. and H. Mascagni. 2009-2010. Evaluating a remote sensor-based nitrogen management scheme for corn production in Louisiana. Submitted to Louisiana Soybean and Grain Research and Promotion Board $39,000.

Tubaña, B.S., J.J. Wang, J.C. Stevens, D. Boquet, R. Mascagni, and R. Henderson. 2008-2010. Improving soil tests for soybean and grain crops of Louisiana. Submitted to Louisiana Soybean and Grain Research and Promotion Board.$91,077.

Tubaña, B.S., D. Boquet, J. Wang, J. Stevens, R. Mascagni, T. Udeigwe and J. Kruse. 2011-2012. Soil test calibration and fertilization research for sustainable soybean and corn production in Louisiana. Soybean and Grain Research Board. $120,336.

Tubaña, B.S., R. Mascagni, B. Haggard-Lofton, and J. Lofton. 2013-2015. Soil test calibration and fertilization research for sustainable soybean and corn production in Louisiana. Soybean and Grain Research Board. $163,052.

Tubaña, B.S., J.J. Wang, D. Weindorf, and J. Teboh. 2008. Using ground-based remote sensor for predicting sugarcane yield potential. Submitted to American Sugar Cane League. Funded $6,500.

Tubaña, B.S., H. Viator, and R. Johnson. 2011-2017. Nitrogen research in Louisiana sugarcane production systems. American Sugar Cane League. $57,500.

Industry

Tubaña, B.S., D. Harrell, J. Satterfield, and T. Walker. 2008-2010. Precise midseason nitrogen rate determination for use efficiency and yield optimization of rice using a ground-based remote sensor. Submitted to International Plant Nutrition Institute. $34,920.

Tubaña, B.S., D. Harrell, T. Walker, J. Lofton, and K. Kanke. 2011. Validation of an on-site, active sensor-based midseason nitrogen decision tool for rice production in the Mid-South U.S.A. Submitted to International Plant Nutrition Institute. $4,000.

Tubaña, B.S., D.J. Boquet, and E. Clawson. 2008-2010. Real-time optimal nitrogen rates estimation for cotton using remote sensor-based algorithms. Submitted to Cotton Inc. $30,000.

Tubaña, B.S., L. Datnoff, R. Schneider, D. Harrell, M. Kongchum, and H. Mascagni. 2011-2013. Soil fertility calibration, agronomic, and plant pathological research for silica fertilization. Edward C. Levy Company. Funded $360,811.

Tubaña, B.S., L. Datnoff, and M. Kongchum. 2013-2014. Effect of foliar formulation of bio-available silicate on grain yield and silicon uptake of rice. Taminco Inc. Funded $46,300.

Tubaña, B.S., R. Schneider, and L. Datnoff. 2011-2012. Effect of silicon fertilization on the dynamics of plant available silicon in soils under different cropping systems in Louisiana. Harsco Minerals. $42,068.

Tubaña, B.S. and L. Datnoff. 2015. Potential of silicic acid-containing solution as foliar and root silicon fertilizer in rice. Agro-Solutions. $ 39,450.

Tubaña, B.S. and L. Datnoff. 2015. Potential of liquid formulation containing soluble silicon and peptides as foliar source of silicon in wheat. Bioiberica. $40,902.

Tubaña, B.S. and L. Datnoff. 2015. Foliar-applied silicon research in rice production. Taminco, Inc. $33,675.

Tubana, B.S. 2015. Evaluation of copper sulfate pentahydrate-containing solution as a plant growth regulator. Marketing Arm International. $21,625.

Tubana, B.S. 2016. Effect of foliar application rate and frequency of copper sulfate containing solutions on rice copper uptake, growth, and yield. Marketing Arm International $57,500.

Tubana, B.S. 2017. Evaluation on the impact of Phyton AG27 application at different rate and frequency on copper uptake and productivity of rice in Louisiana. Marketing Arm International $47,000.

Tubaña, B.S. 2010-2011. Evaluation of by-product diammonium phosphate solution as a fertilizer for sugarcane production. Syngenta Crop Protection. Funded $12,800.

Gift Funds from Fertilizer Companies

Support of soil fertility research in sugarcane, 2008 to 2017 ($190,295)

Sponsorship for the 2017 Nitrogen Use Efficiency Conference ($9,250)

Soil fertility, nutrient management, and plant nutrition

  • Nitrogen timing and source in row-crop productions
  • Different sources of silicon, potassium and sulfur fertilizer
  • Impact of cover crops on soil nutrient cycling- crops for sugar, grain and energy

Remote sensor-based nitrogen management

  • Prediction of crop yield potential and response to nitrogen fertilization
  • Nitrogen algorithm for on-the-go fertilization using variable rate technology
  • Acquisition of vegetation index from aerial images taken by digital camera attached to unmanned aircraft vehicle (e.g. drone).

Professional Experience

2013 – present Associate Professor of Soil Fertility, Louisiana State University (85% Research/15% Teaching)

http://www.soilfertility.lsu.edu/

2007 – 2013 Assistant Professor of Soil Fertility, Louisiana State University, (85% Research/15% Teaching)
2004 – 2007 Graduate Research Assistant, Oklahoma State University
1995 – 2003 Researcher, International Rice Research Institute

Professional Affiliations

American Society of Agronomy
Crop Science Society of America
Soil Science Society of America
American Society of Sugar Cane Technologist
International Society for Silicon in Agriculture
Gamma Sigma Delta Honor Society of Agriculture

Professional and Community Services

President, International Society for Silicon in Agriculture (2018-2020)
Leader, Sensor-Based Nutrient Management Community, 2018
Louisiana Agriculture, Editorial Board (2017 to date)
Vice-Leader, Sensor-Based Nutrient Management Community, 2017
Vice President, International Society for Silicon in Agriculture (2014-2017)
Host, 2017 Nitrogen Use Efficiency Conference, LSU Campus, Baton Rouge, Aug. 7-9, 2017
Associate Editor, Agronomy Journal (2007-2015)
Reviewer, since 2007 for Agronomy Journal, Precision Agriculture, Journal of Plant Nutrition, Soil Science Society of America Journal, Frontier Plant Science, Louisiana Agricultural Experiment Station Hatch Projects
Visiting Professor, Universidade de Federal Uberlandia, 2014
Faculty Council Representative, 2012-2016
Affiliate Member, LSU Graduate Council, Spring 2018
Member, Internal Advisory Committee for the LSU AgCenter Global Network

Professional Recognition

Jack E. and Henrietta Jones Endowed Professorship, 2015
Distinguished Service Award, The Rice Technical Working Group, 2012
Travel Grant Recipient to attend the 2007 USDA CREES Grantmantship Workshop, Washington D.C., Louisiana Agricultural Experiment Station.
Gamma Sigma Delta Teacher Merit Honor Roll (2011, 2014, 2016)
Gerard O. Mott Meritorious Graduate Student Award in Crop Science, 2007
Oklahoma State University Williams Outstanding Thesis Award, 2007
Oklahoma State University Dept. of Plant and Soil Sciences Outstanding Ph.D. Student, 2006
International Agroecosystem Graduate Scholarship Award, 2005

Teaching

AGRO 4052 – Soil Fertility and Soil Management (Sp)
AGRO 7081 – Advanced Soil Fertility and Plant Nutrition (Fa)
AGRO 4092 – Special Topics in Soil Science (TBA)
AGRO 8092 – Research in Soil Science (TBA)

Josh Lofton, Ph.D. (2012) Improving nitrogen management of sugarcane production in the Mid-South Using Remote Sensing Technologies

Yumiko Kanke, Ph.D. (2013) Optimizing yield and crop nitrogen response characterization by integrating spectral reflectance and agronomic properties in sugarcane and rice

Marilyn Dalen, M.S. (2013) Understanding phosphorus dynamics of two alluvial soils grown to grown at different phosphorus rates

Brandon White, M.S. (2015) Evaluating the effects of silicon and nitrogen fertilization on wheat production

Payton Dupree, M.S. (2015) Integrating soil nitrate level in refining nitrogen fertilizer management in Louisiana corn production system

Saoli Chanda, Ph.D. (2015) The agronomic use and application of canopy reflectance within the visible and near-infrared wavebands and its relation with nitrogen fertilization in energy cane production in Louisiana

Tapasya Babu, Ph.D. (2015) Calibration and categorization of plant available silicon in Louisiana soils

Wooiklee, Paye, M.S. (2016) Silicon fertilization in rice: establishment of critical silicon level and its impact on availability of nutrients in soils of Louisiana

Flavia Agostinho, M.S. (2016) Evaluation of absorption and uptake of soil- and foliar-applied silicon in rice and its accumulation under different phosphorus rates

Marilyn Dalen, Ph.D. (2017) Integration of optical remote sensor-based yield prediction and impact of nitrogen fertilization, harvest date, and planting scheme on yield, quality, and biomass chemical composition in energy cane production in Louisiana

Daniel Forestieri, M.S. (2017) Improving nitrogen use efficiency and yield in Louisiana sugarcane production systems

Maryam Shahrtash, M.S. (2017) Effect of silicon and nitrogen fertilization on growth, yield, and leaf rust disease development in wheat

Flavia Agostinho, Ph.D. (Current) Effect of increasing levels of monosilicic acid on arsenic and phosphorus adsorption in soil

Samuel Kwakye, M.S. (Current) Evaluation of controlled-release nitrogen and potassium fertilizer in Louisiana sugarcane production systems

Joseph Garrett, M.S. (Current) Effect of application timing on optimal nitrogen rates on sugarcane grown on different soil types

Wooiklee Paye, Ph.D. (Current) Silicon fertilization in rice and wheat: dynamics with heavy metals and slag granular size effect on the release pattern of monosilicic acid to soil solution

Jose Mite Caceres, Ph.D. (Current) Impact of cover crops on productivity of major row crops of Louisiana and soil nutrient cycling

Daniel Forestieri, Ph.D. (Current) Implementation of cover cropping and remote sensor-based technology to improve nitrogen use efficiency and productivity in sugarcane production

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