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Dr. Guodong “David” Liu

Office:1229 Fifield Hall

For more information, visit Dr. Liu's website. 

Assistant Professor

Areas of Research

  • Nutrient eco-management vs. environmental sustainability
  • Nutrient stewardship for vegetable and fruit production

Educational Background

  • Ph.D. – Physiology and Genetics of Plant Nutrition, Chinese Academy of Agricultural Sciences, Beijing, China
  • M.S.  – Plant Physiology and Biochemistry, Hunan Agricultural University, Changsha, China
  • B.S. – Crop Science, Hunan Agricultural University, Changsha, China

Teaching Responsibilities

Extension Programs

  • Educational programs on vegetable and fruit crop nutrition
  • Provide support to county and regional extension agents
  • Interact with extension faculty and industry members via demonstration research, publications, presentations and training activities

Work and International Experiences

  • Assistant Professor, University of Florida, Gainesville, FL (2011 – present)
  • Postdoctoral Research Associate, USDA-ARS, Prosser, WA (2010 – 2011)
  • Postdoctoral Research Associate, University of Florida, Homestead, FL (2010 – 2011)
  • Visiting Scientist, University of Missouri-Rolla, Rolla, MO (2002 – 2004)
  • Visiting Scholar, University of Massachusetts, Amherst, MA (May 2001)
  • Agriculture Consultant, The Overseas Projects Corporation of Victoria Ltd (OPCV), Australia (June-August, 2001)
  • Visiting Scholar, AgResearch Grasslands Research Center, Palmerston North, New Zealand (March-June, 1999; April – June, 2000)
  • Agronomy Consultant, United Nations Development Program (UNDP), the United Nations (November-December, 1999)
  • Agronomy Consultant, International Fund for Agricultural Development (IFAD) and World Food Program (WFP), the United Nations (November 1997 – March 1998)
  • Agronomy Consultant, IFAD  and WFP, the United Nations (November 1996 – January 1997)
  • Associate Professor and Professor, the Chinese Academy of Agricultural Sciences, Beijing, China  (1995 – 2002)

Honors and Awards

  • Sadler Distinguished Extension Professional and Enhancement Award. University of Florida / IFAS Extension.2014
  • Science Leader in Agriculture for the 21st Century, the Chinese Academy of Agricultural Sciences, Beijing, China, from 1999 to 2006

Program Personnel

From left: Fupeng, Yan, Zhongdong, Qasim, Yuqi, Moshe, Yang, Danyang and myself before Christmas 2014

From left: Tao, Yuqi, Moshe, Xiaolin, myself, Yang, Zhongdong, and Danyang in 2014

From Left: Yiping, Emily, Brett, Ben, David, Derly, and Vicky in 2103

BiologistM.S. StudentPh.D. StudentM.S. Student

Moshe Doron

Qasim  Awlad Thani

Qian (Wendy) Sun

Yang Fang

Postdoctoral Research AssociatePostdoctoral Research AssociatePh.D. StudentM.S. Student

Xialin Liao

Yiping Cui

Marcel Barbier

Danyang Liu

Former Visiting scientistFormer Visiting scientistFormer BiologistVisiting scientist

Qifa Zhou

Derly José Henriques da Silva

Ben Hogue

Yuqi (Tracy) Cui

Former BiologistFormer Graduate StudentFormer Graduate StudentVisiting scientist

Scott Prospect

Wei Chieh (Vicky) Lee

Teresa Salame

Zhongdong Wu

Former Student internFormer Student internFormer Student internVisiting scientist

Diana Gu

Brett Wasik

Shouliang Zhu

Former Student internStudent internFormer Horticultural AssistantHorticultural Assistant

Yingxuan (Emily) Li

Danyang Xue

Luis Fernando Polete

Tao Li

Selected Publications

  1. Fred Fishel and G.D. Liu. 2014. Conducting a Statewide Dual-Purpose Program for Pesticide Applicators and County Extension Agents. Journal of Extension 52(5): 1-6.
  2. Letian Wang*, Zhaohui Tong, G.D. Liu, Yuncong Li. 2014. Characterization of Biorefinery Residues Used as Sandy Soil Amendments. Chemosphere 107: 354-359.
  3. Liu, G.D., D. Marshall Porterfield. 2014. New Strategies for Minimizing Influences of Flooding on Corn (Zea mays) with Magnesium Peroxide. Journal of Plant Nutrition and Soil Science 177: 733-740.
  4. Liu, G.D., Y.C. Li, and A. K. Alva. 2014. Comparing Gibbs Energy Relationships for Ammonia Volatilizations from Agricultural Soils for Potato Production. American Journal of Environmental Sciences 10(1): 19-25.
  5. W.C. Lee, G.D. Liu and Ashok Alva. 2013. Potato Cultivar Evaluation for Phosphorus-Use Efficiency.Journal of Crop Improvement 27(5): 617-626.
  6. Liu, G.D., Y.C. Li,K. Migliaccio, T. Olczyk,A. K. Alva. 2013. Oxygen Fertilization improves Growth and Nitrogen-Use Efficiency of Flooded Italian Basil (Ocimum Basilicum L.). International Journal of Vegetable Science. 19 (3): 217-227.
  7. Johannes M.S. Scholberg, Lincoln Zotarelli, Michael D. Dukes, Monica Ozores-Hampton; G.D. Liu, Pablo Tittonell. 2013. Enhancing Fertilizer Efficiency in High Input Cropping Systems in Florida. Sustainable Agriculture Review 12: 143 - 174.
  8. Liu, G.D., D. Marshall Porterfield, Y.C. Li,and Waldemar Klassen. 2012. Increased Oxygen Bioavailability Improved Vigor and Germination of Aged Vegetable Seeds. HortScience 47(12): 1714-1721.
  9. Liu, G.D.,Y.C. Li, A. K. Alva, D. M. Porterfield, andJ. Dunlop. 2012. Enhancing nitrogen efficiency of potato and cereal crops by optimizing temperature, moisture, balanced nutrients, and oxygen bioavailability. Journal of Plant Nutrition. 35:428–411, 2012.
  10. Liu, G.D.,Y.C. Li, andA. K. Alva. 2011. Identification of factors most important for ammonia emission from fertilized soils for potato production using principal component analysis. Journal of Sustainable Watershed Science and Management - ISSN 1949-1425. 1: 21-30.
  11. Liu, G. D.,Y. C. Li, R. Muñoz-Carpena, M. Hedgepeth, Y. S. Wan, And R. Roberts. 2011. Growth of Bald Cypress [Taxodium Distichum (L.) Rich.] Seedlings in the Tidal Floodplain of The Loxahatchee River. Florida Scientist. 74: 84- 99. 
  12. Liu, G.D., B. Gu, S.L. Miao,  Y.C. Li, K.W. Miliaccio, and Y. Qian. 2010. Phosphorus release from ash and remaining tissues of two wetland species after a prescribed fireJournal of Environmental Quality. 39:1585–1593.
  13. Y. Ouyang, J. E. Zhang, D. Lin and G.D. Liu. 2010. A STELLA model for the estimation of atrazine runoff, leaching, adsorption, and degradation from an agricultural land.Journal of Soils and Sediments 10: 263-271.
  14. Liu, G.D., D. M. Porterfield, and Y.C. Li. 2009. Genotypic differences in K-efficiency of three-way cross hybrid indica rice. Communications in Soil Sciences and Plant Analysis. 40: 1803-1821. Available Online at:
  15. Liu, G.D., Y.C. Li, M. Hedgepeth, Y. Wan and R.E. Roberts. 2009. Seed germination enhancement for bald cypress (Taxodium distichum [L.] Rich.). J. Horticulture and Forestry 1(2):22-26.
  16. Liu, G.D., J. Dunlop, T. Phung, and Y. C. Li. 2007. Physiological Responses of Wheat Phosphorus-efficient and -inefficient Genotypes in Field and Effects of Mixing Other Nutrients on Mobilization of Insoluble Phosphates in Hydroponics. Communications in Soil Science and Plant Analysis. 38: 2239-2256.
  17. Liu, G.D., Y.C. Li, and A. K. Alva. 2007. High water regime can reduce ammonia volatilization from soils. Communications in Soil Science and Plant Analysis. 38: 1203-1220. DOI: 10.1080/00103620701328289.
  18. Liu, G.D., Y.C. Li, and A. K. Alva. 2007. Moisture Quotients for Ammonia Volatilization from Four Soils in Potato Production Regions. Water, Air & Soil Pollution. 183: 115-127. DOI: 10.1007/s11270-007-9361-9.
  19. Liu, G.D., Y.C. Li, and A. K. Alva. 2007. Temperature quotients of ammonia emission of different nitrogen sources applied to four agricultural soils. Soil Science Society of America Journal. 71:1482-1489. DOI: 10.2136/sssaj2006.0221.
  20. Liu, G.D., Dunlop James and Phung Thai. 2006.  Induction of Root Hair Growth in a Phosphorus-Buffered Culture SolutionAgricultural Sciences in China. 5: 370-376.
  21. Liao, J., G.D. Liu, and O. Monje and D. M. Porterfield. 2004. Induction of hypoxic root metabolism results from physical limitations in O2 bioavailability in mircogravity. Advances in Space Research. 34: 1579-1584.

EDIS pubs:

  1. Liu, G.D., L. Zotarelli, Y.C. Li, D. Dinkins, Q.n Wang, and M. Ozores-Hampton. 2014. Controlled-release and slow-release fertilizers as nutrient management tools 
  2. Liu, G.D., R. Mylavarapu, E. Hanlon, and W. C. Lee. 2014. Soil pH Management for Optimum Commercial Fruit Production in Florida.
  3. Liu,G.D., Jeffrey Williamson. 2013. What is urea-triazone nitrogen?
  4. Liu,G.D.,M. Ozores-Hampton, E. McAvoy, B. Hogue, and C.l Snodgrass. 2013. Application of Surfactants in Commercial Crop Production for Water and Nutrient Management in Sandy Soil.
  5. Liu,G.D., Yuncong Li, and Aparna Gazula. 2013. Conversions of Parts per Million on Soil Test Reports to Pounds per Acre. 
  6. J.M. Stephens and D.D. Liu. 2013. Soil Preparation and Liming for Vegetable Gardens.
  7. B. M. Santos, G. E. Vallad, S. M. Olson, D.D. Liu, E. H. Simonne, M. D. Dukes, L. Zotarelli, J. W. Noling, D. A. Botts, P. J. Dittmar and S. A. Smith. 2013. Vegetable Production in Florida. 
  8. Liu,G.D., Edward Hanlon, and Yuncong Li. 2012. Understanding and Applying Chelated Fertilizers Effectively Based on Soil pH.
  9. Liu,G.D. and Edward Hanlon. 2012. Soil pH Range for Optimum Commercial Vegetable Production.
  10. Liu,G.D. and Gene McAvoy. 2012. How to Reduce Clogging Problems in Fertigation.
  11. Liu,G.D., David Sui, and Gary K. England. 2012.How to Convert Liquid Fertilizer into Dry Fertilizer in Fertigation for Commercial Vegetable and Fruit Crop Production.
  12. Liu,G.D., Jeffrey Williamson, Gary England, and Alicia Whidden. 2012. How to Calculate Fertigation Injection Rates for Commercial Blueberry production.
  13. Asha M. Brunings, G.D. Liu, Eric H. Simonne, Shouan Zhang, Yuncong Li, and Lawrence E. Datnoff. 2012. Are Phosphorous and Phosphoric Acids Equal PhosphorusSources for Plant Growth?
  14. G. D. Liu,E. H. Simonne, and G.J. Hochmuth. 2012. Soil and Fertilizer Management for Vegetable Production in Florida.
  15. M.D. Dukes, L. Zotarelli, G.D. Liu, and E.H. Simonne. 2012. Principles and Practices of Irrigation Management for Vegetables.
  16. Liu,G.D.,Eric Simonne, and Yuncong Li.2011.Nickel Nutrition of Plants.
  17. Liu,G.D., Eric H. Simonne, Yuncong Li, Chad M. Hutchinson, Mark Warren and Steven Lands. 2011. Controlled-Release Fertilizer Opportunities and Costs for Potato Production in Florida.