David B. McKenzie, Ph.D.

Image David B. McKenzie
Chercheur scientifique

Chercheur scientifique, agronomie, physiologie des cultures 

Recherche et / ou projets en cours

  • mise au point de nouveaux systèmes de production et qui se prêtent à la diversification rurale dans le climat estival frais qui caractérise l'écosystème boréal

Énoncés de recherches/projets

  • Mise au point de techniques d’établissement accéléré pour les bleuetiers semi géants
  • Amélioration du bilan des nutriments dans les fermes laitières au moyen de fermettes modèles et de simulation
  • Traitement de l’eau de drainage agricole souterrain dans un système pilote de bioréacteur à copeaux de bois
  • Mise au point de systèmes de production du sarrasin convenant aux climats à été frais

Prix et études

Études

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

1980: M.Sc., Science des sols, University of Manitoba, Winnipeg, Manitoba

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

 

Distinctions

1997 : Prix Agcellence, prix ministériel le plus prestigieux décerné par Agriculture et Agroalimentaire Canada pour des accomplissements exceptionnels.

1996 : Prix Agcellence, prix ministériel le plus prestigieux décerné par Agriculture et Agroalimentaire Canada pour des accomplissements exceptionnels.

Principales 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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  7. 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 - Consulter les détails de la publication

  8. 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 - Consulter les détails de la publication

  9. 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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  14. 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 - Consulter les détails de la publication

  15. 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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

  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 - Consulter les détails de la publication

Installation de recherche

308, chemin Brookfield, Édifice 25
St. John's, NL A1E 6J5
Canada

Affiliations

Professeur auxiliaire, École des sciences et de l'environnement, Université Memorial, campus Grenfell, Corner Brook (T.-N.-L.)

Language

Anglais