David B. McKenzie, Ph.D.

Image David B. McKenzie
Research Scientist

Research Scientist, agronomy, crop physiology

Current research and/or projects

  • Development of accelerated half-high blueberry crop establishment techniques
  • Improving nutrient balances on dairy farms using model farmlets and simulation
  • Treatment of Agricultural Tile Drainage Water in a Pilot-Scale Woodchip Bioreactor System
  • Development of buckwheat production systems suitable for cool summer climates

 

    Research and/or project statements

    Unc A, Altdorff D, Abakumov E, Adl S, Baldursson S, Bechtold M, Cattani DJ, Firbank LG, Grand S, Guðjónsdóttir M, Kallenbach C, Kedir AJ, Li P, McKenzie DB, Misra D, Nagano H, Neher DA, Niemi J, Oelbermann M, Overgård Lehmann J, Parsons D, Quideau S, Sharkhuu A, Smreczak B, Sorvali J, Vallotton JD, Whalen JK, Young EH, Zhang M and Borchard N (2021) Expansion of Agriculture in Northern Cold-Climate Regions: A Cross-Sectoral Perspective on Opportunities and Challenges. Front. Sustain. Food Syst. 5:663448. doi: 10.3389/fsufs.2021.663448 

    Jeyakumar LGK, McKenzie DB, Zhang Y, Galagedara L, Bittman S, Hunt D. Modeling Tile Drainage Outflow in Thin Agricultural Soils with Impermeable under Layer in Newfoundland and Labrador, Canada. Adv Environ Eng Res 2021;2(2):21; doi:10.21926/aeer.2102016 

    Jeyakumar LGK, McKenzie DB, Christianson LE, Derdall E. Initial Validation of a Replicated Field-scale Denitrifying Bioreactor Facility in a Boreal Environment. Adv Environ Eng Res 2021;2(2):19; https://doi:10.21926/aeer.2102005

    Kedir, AJ, Nyiraneza, J, Galagedara, L, Cheema, M, Hawboldt, KA, McKenzie, DB,Unc, A. 2021. Phosphorus adsorption characteristics in forested and managed podzolic soils. Soil Science Society of America Journal. Soil Sci Soc Am J. 2021; 1– 14. https://doi.org/10.1002/saj2.20180

    Cordeiro, M.R.C., A. Rotz, R. Kroebel, K. A. Beauchemin, D. Hunt, S. Bittman, K.M. Koenig, D.B. McKenzie. 2019. Prospects of forage production in northern regions under climate and land-use changes: a case-study of a dairy farm in Newfoundland, Canada. Agronomy 2019, 9(1), 31; https://doi.org/10.3390/agronomy9010031

    Education and awards

    Education

    1984: Ph.D., Soil Science, Texas A&M University, College Station, Texas

    1980: M.Sc., Soil Science, University of Manitoba, Winnipeg, Manitoba

    1977: B.S.A., Agriculture, University of Manitoba, Winnipeg, Manitoba

     

    Awards

    1997: Agcellence Award, the highest Agriculture & Agri-Food Canada departmental award, for exceptional accomplishments

    1996: Agcellence Award, the highest Agriculture & Agri-Food Canada departmental award, for exceptional accomplishments

    Key publications

    1. Cordeiro, M.R.C., Rotz, A., Kroebel, R., Beauchemin, K.A., Hunt, D., Bittman, S., Koenig, K.M., McKenzie, D.B. (2019). Prospects of forage production in northern regions under climate and land-use changes: A case-study of a dairy farm in Newfoundland, Canada, 9(1), http://dx.doi.org/10.3390/agronomy9010031

      2019 - View publication details

    2. Kumar, J.L.G., McKenzie, D.B. and Jewell, L.E. 2018. Can Wood Chip Bioreactors Reduce Nitrates in Tile Drainage? 60th Annual Farm Field day, St. John’s Research and Development Centre, St. John’s, NL, Canada September 15, 2018. Presentation (Poster)

      2018 - View publication details

    3. Valdez, V., A. Ramasami, V. Kavanagh, D. Burton, L. Jewell, D. McKenzie, A. Unc. 2018. Nitrogen cycling genes in a long-term land-use converted boreal land in Newfoundland, Canada. https://meeting2018.cgu-ugc.ca/ Abstract p.433 of 542pp. 2018 Joint Meeting of the Canadian Geophysical Union (CGU), Canadian Soil Science Society (CSSS), Computational Infrastructure in Geodynamics (CIG), Eastern Section of the Seismological Society of America (ES-SSA) and the Canadian Society for Agricultural and Forest Meteorology (CSAFM). June 10-14, 2018 Niagara Falls, Canada. (oral presentation).

      2018 - View publication details

    4. DB McKenzie, PL Dixon, C. Noronha and KN Hobrecker. 2017. Buckwheat (Fagopyrum esculentum Moench.) seeding date and cultivar response to Newfoundland growing conditions. Annual Meeting, the Canadian Phytopathological Society, 2017/
      Réunion annuelle, la Société Canadienne de Phytopathologie, 2017, Canadian Journal of Plant
      Pathology, 39:4, 540-586, DOI: 10.1080/07060661.2017.1386378
      https://doi.org/10.1080/07060661.2017.1386378

      2017 - View publication details

    5. McKenzie, D.B., L.E. Jewell, and L.G. Jeyakumar. 2017. Wood chip bioreactors reduce water nitrates levels. Agriview 11 (3): 9-10. http://www.nlfa.ca/newsletter

      2017 - View publication details

    6. Jeyakumar, L., McKenzie, D.B., Molloy, W., Bittman, S., Hunt, D., Galagedara, L., Derdall, E. 2017. Simulating subsurface tile drainage water outflow using DRAINMOD in Atlantic Canada. Joint Annual Meeting of American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 22-25 Oct, Tampa, FL. Presentation abstract 201-13. https://scisoc.confex.com/crops/2017am/webprogram/Paper108588.html

      2017 - View publication details

    7. Jeyakumar, L; McKenzie, DB; Jewell, LE; Porter, E. 2017. Denitrifying Bacterial Community in a Wood chip Bio filter Treating Water Outflow from Tile-Drained Agricultural Fields. The 59th Annual Farm Field day, St. John’s Research and Development Centre, 12 Aug, St. John’s, NL

      2017 - View publication details

    8. McKenzie, DB; Jeyakumar, JLG; Jewell, LE; Hobrecker, K; Murphy, P; Comeau, S; Barron, J; Doody, T; Eissa, R; Valdez, V; Fiadjoe, A (2017). Nitrate Removal in Field-Scale Wood Chip Bioreactors. The 59th Annual Farm Field day, St. John’s Research and Development Centre, 12 Aug, St. John’s, NL

      2017 - View publication details

    9. Jewell, LE; Jeyakumar, L; Wiseman, D; McKenzie, DB; Porter, E (2017). Wood Chip Wonders! The 59th Annual Farm Field day, St. John’s Research and Development Centre, 12 Aug St. John’s, NL

      2017 - View publication details

    10. McKenzie, D.B., *Jeyakumar, L., Murphy, P., Bittman, S., Hobrecker, K., Derdall, E. 2017. Design of wood chip denitrification bioreactors treating nitrate-N from agricultural drainage. ASABE Annual International Meeting, 16-19 Jul, Spokane, WA. Presentation abstract 1700637.

      2017 - View publication details

    11. Jeyakumar, L., McKenzie, D.B., Murphy, P., Bittman, S., Wiseman, D., Derdall, E. 2017. Performance evaluation of four field-scale denitrification wood chip bioreactors treating agricultural tile drainage water in a cold climate. ASABE Annual International Meeting, 16-19 Jul, Spokane, WA. Presentation abstract 1700628.

      2017 - View publication details

    12. Jeyakumar, L*; Galagedara, L; McKenzie, DB; Bishop, G. 2016. Modeling agricultural tile drainage water outflow under cool climate conditions. Joint Annual Meeting of American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Phoenix, USA. Presentation abstract 110-8. https://scisoc.confex.com/scisoc/2016am/webprogram/Paper101638.html

      2016 - View publication details

    13. Bittman, S., Hunt, D., Koenig, K., Duynisveld, J., Mckenzie, D., Kroebel, R., and Haak, D. "Semi-Virtual Model Farmlets to Study Nutrients in Livestock Farms: Proposed Dairy System Case Study. 2016. ASA-CSSA-SSSA International Annual Meeting 2016-Phoenix, AZ, Nov. 6-9.

      2016 - View publication details

    14. Jeyakumar, L*; McKenzie, DB; Smith, E; Derdall, E; Zhang, H; Unc, A; Galagedara, L; Todd, S; Bishop, G. 2016. Overview of Development of Novel Woodchip Bioreactor System to Reduce Pollution Effects of Agricultural Tile Drainage Water, 3rd Biennial Agriculture Research Symposium, St. John’s, Canada. poster

      2016 - View publication details

    15. Jeyakumar, L*; McKenzie, DB; Derdall, Bishop, G. 2016. Treatment of Agricultural Tile Drainage Water in a Pilot-Scale Woodchip Bioreactor System. 3rd Biennial Agriculture Research Symposium, St. John’s, Canada.

      2016 - View publication details

    16. Debnath, S.C., McKenzie, B.D., Bishop, G.A., Dixon, P., Siow, Y.L. and Simms, D. (2016). “Production and improvement of small fruit crops native to Newfoundland and Labrador.”, Symposium Program Book, 3rd Biennial Symposium: Our Food, Our Future – Research that Feeds Newfoundland and Labrador, November 02-03, 2016, St. John’s, NL, Canada; p. 13 (http://www.ourfoodourfuture.ca/agenda).

      2016 - View publication details

    17. McKenzie, D.B., Debnath, S.C., Dixon, P.L., Bishop, G.A. Impact of surface mulch type on new plantings of half-high blueberry cultivars. Symposium Program Book, 3rd Biennial Symposium: Our Food, Our Future – Research that Feeds Newfoundland and Labrador, November 02-03, 2016, St. John’s, NL, Canada; p. 29-30, poster 6. (http://www.ourfoodourfuture.ca/agenda)

      2016 - View publication details

    18. D.B. McKenzie*, S.C. Debnath, P.L. Dixon, and G.A. Bishop. 2016. Flower occurrence in a 2012 planting of four half-high blueberry cultivars in eastern Newfoundland as affected by surface mulch type. 58th Annual Farm Field day St. John's Research and Development Centre St. John's 2016/08/13. Poster

      2016 - View publication details

    19. McKenzie, DB*; Jeyakumar, L; Derdall, E; Bishop, G. 2016. Optimizing nitrate removal in woodchip beds treating agricultural tile-drained water. The 58th Annual Farm Field day, St. John’s Research and Development Centre, St. John’s, NL, Canada. Poster

      2016 - View publication details

    20. Debnath, S.C., McKenzie, B.D., Bishop, G.A., Dixon P., Mills A., Anderson S. and Siow, Y.L. (2016). “Innovative technologies to accelerate industry transition from “wild” to cultivated cool climate small fruit crop production systems.”, Abstract Book, Joint Annual Conference for the Canadian Society of Agronomy and the Canadian Society for Horticultural Science, July 24-26, 2016, Montreal, QC, Canada; p. 25 (https://www.regonline.ca/builder/site/tab3.aspx?EventID=1812036).

      2016 - View publication details

    Research facility

    308 Brookfield Road, BLDG 25
    St. John's, NL A1E 6J5
    Canada

    Affiliations

    Adjunct Professor, School of Science and the Environment, Memorial University, Grenfell Campus, Corner Brook, NL

    Language

    English