David B. McKenzie, Ph.D.

Research Scientist

Research Scientist, agronomy, crop physiology

204 Brookfield Road, BLDG 5 St. John's, NL

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
Development of true potato seed production systems suitable for northern environments

Research and/or project statements

Amana Jemal Kedir, David Bruce McKenzie, Noura Ziadi, Adrian Unc. Comparison of agri-environmental phosphorus tests for boreal agricultural and natural Podzols. CJSS 2 September 2022 https://doi.org/10.1139/cjss-2022-0037

Kedir AJ, Nyiraneza J, Hawboldt KA, McKenzie DB and Unc A (2022). Phosphorus Sorption Capacity and Its Relationships With Soil Properties Under Podzolic Soils of Atlantic Canada. Front. Soil Sci. 2:931266. https://doi.org/10.3389/fsoil.2022.931266

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. https://doi.org/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; https://doi.org/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

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

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. CSHS Annual Conference, Montreal. July 2016. p38
2016 - View publication details
Debnath, S.C., McKenzie, D.B., Bishop, G.A., and Percival, D.C. (2016). "Strategic approaches to propagate berry crop nuclear stocks using a bioreactor.", Acta Horticulturae (ISHS), 1113, pp. 47-52. doi : 10.17660/ActaHortic.2016.1113.6
2016 - View publication details
McKenzie, D.B., L. Jeyakumar, E. Derdall and G.A. Bishop. 2015. Hungry Bacteria Magically Remove Nitrates from Water. 57th Annual Farm Field Day, St. John’s, NL, Canada, August 8, 2015, Presentation. (Poster)
2015 - View publication details
Jeyakumar, L., McKenzie, D.B., E. Derdall and G.A. Bishop. 2015. “Woodchip Bioreactors for Drainage Water Treatment”. 57th Annual Farm Field Day, St. John’s, NL, Canada, August 8, 2015, Presentation. (Poster)
2015 - View publication details
Jeyakumar, L., McKenzie, D.B., E. Derdall and G.A. Bishop. 2015. “Woodchip Bioreactors-Installation/Operation” St. John’s Bioreactor - First Phase. 57th Annual Farm Field Day, St. John’s, NL, Canada, August 8, 2015, Presentation. (Poster)
2015 - View publication details
McKenzie, D.B., Bishop, G.A., and Dixon, P.L. (2014). "Assessment of surface mulch type effect on the initial growth of half-high blueberry cultivars from a range of maturity classes under the cool, high precipitation climatic conditions of eastern Newfoundland.", Research Centre Field Day, Centre de recherche de l'Atlantique sur les cultures de climat frais, Agriculture et Agroalimentaire Canada, St. John’s, NL, Canada, August 9, 2014. (Poster)
2014 - View publication details
Debnath, S.C., McKenzie, D.B., Bishop, G.A., Dixon, P.L., Siow, Y.L., and Mills, A.A.S. (2014). "Blueberries: transitioning from wild to cultivated production.", STB Weekly Science Story, January 21, 2014. (Newsletter)
2014 - View publication details
McKenzie, D.B., Bishop, G.A., and Dixon, P.L. (2014). "Effet de divers types de paillis sur la croissance initiale des cultivars de bleuetiers semi-géants de différentes classes de précocité de maturation dans les conditions fraîches et pluvieuses de l’est de Terre-Neuve.", Canadian Society of Agronomy & Canadian Society for Horticultural Science Joint Annual Conference, University of Lethbridge, Lethbridge, Alberta, Canada, July 10-12, 2014.
2014 - View publication details
McKenzie, D.B., Bishop, G.A., and Dixon, P.L. (2014). "Effet de divers types de paillis sur la croissance initiale des cultivars de bleuetiers semi-géants de différentes classes de précocité de maturation dans les conditions fraîches et pluvieuses de l’est de Terre-Neuve.", Research Centre Field Day, Centre de recherche de l'Atlantique sur les cultures de climat frais, Agriculture et Agroalimentaire Canada, St. John’s, NL, Canada, August 9, 2014. (Poster)
2014 - View publication details
Debnath, S.C., Anderson, S., Bishop, G.A., Dixon, P.L., McKenzie, D.B., Mills, A.A.S., and Siow, Y.L. (2014). Developing innovative technologies to accelerate industry transition from 'wild' to cultivated cool climate berry crop production systems. Project ID: 13-1155; Research Project Annual Report 2013-2014, AAFC Science and Technology Branch. (Report)
2014 - View publication details
McKenzie, D.B., Bishop, G.A., Dixon, P.L., and Noronha, C. (2014). "Non merci, je ne veux pas de larves de doryphores sur mes patates!", 56th Annual Farm Field Day, St. John’s, NL, Canada, August 9, 2014, Presentation. (Poster)
2014 - View publication details
McKenzie, D.B., Bishop, G.A., Dixon, P.L., and Noronha, C. (2014). "No thanks, I’ll pass on the wireworms in my potatoes.", 56th Annual Farm Field Day, St. John’s, NL, Canada, August 9, 2014, Presentation. (Poster)
2014 - View publication details
McKenzie, D.B., Bishop, G.A., and Dixon, P.L. (2014). "Assessment of surface mulch type effect on the initial growth of half-high blueberry cultivars from a range of maturity classes under the cool, high precipitation climatic conditions of eastern Newfoundland.", Canadian Society of Agronomy & Canadian Society for Horticultural Science Joint Annual Conference, University of Lethbridge, Lethbridge, Alberta, Canada, July 10-12, 2014, Presentation. (Poster)
2014 - View publication details
Debnath, S.C., McKenzie, D.B., Dixon, P.L., and Bishop, G.A. (2012). "Cool climate berry crop production and protection in Newfoundland and Labrador.", Newfoundland and Labrador Symposium: Our Food, Our Future, Growing the Agriculture Industry in Newfoundland and Labrador, Corner Brook, NL, Canada, November 23, 2012, pp. 11-12.
2012 - View publication details
McKenzie, D.B., Cenkowski, S., Utioh, A., Li, T.S.C., Letchamo, W., Ratti, C., and Belkacemi, K. (Eds.) (2009). Proceedings of the 3rd International Seabuckthorn Association Conference, Université Laval, Québec City, QC, Canada, August 12-16, 2007., Université Laval, Canada. (Book)
2009 - View publication details
McKenzie, D.B. (2009). "Seabuckthorn (Hippophae rhamnoides L.) cultivar establishment and survival in a maritime environment.", in McKenzie, D.B., Cenkowski, S., Utioh, A., Li, T.S.C., Letchamo, W., Ratti, C. and Belkacemi, K. (eds.) - Proceedings of the 3rd International Seabuckthorn Association Conference, Université Laval, Québec City, QC, Canada, August 12-16, 2007, Université Laval, Canada, pp. 39-46, nº 35.
2009 - View publication details
McKenzie, D.B. (2009). "Preface.", in McKenzie, D.B., Cenkowski, S., Utioh, A., Li, T.S.C., Letchamo, W., Ratti, C. and Belkacemi, K. (eds.) - Proceedings of the 3rd International Seabuckthorn Association Conference, Université Laval, Québec City, QC, Canada, August 12-16, 2007, Université Laval, Canada, pp. III.
2009 - View publication details
McKenzie, D.B. (2009). "Half-high blueberry crop establishment techniques.", 51st Atlantic Cool Climate Crop Research Centre Annual Farm Field Day, Brookfield Road, St. John's, NL, Canada, August 15, 2009, published by Agriculture and Agri-Food Canada (AAFC)/Agriculture et Agroalimentaire Canada (AAC). (Poster)
2009 - View publication details
McKenzie, D.B., Murphy, J.F., Compton, K.D., Parsons, K.J., and Harding, L.M. (2007). "High value crops research at Salmon Cove (2003-2006).", 144. (Technology transfer)
2007 - View publication details
Spaner, D.M., Todd, A.G., Navabi, A., McKenzie, D.B., and Goonewardene, L.A. (2005). "Can leaf chlorophyll measures at differing growth stages be used as an indicator of winter wheat and spring barley nitrogen requirements in eastern Canada?.", Journal of Agronomy and Crop Science, 191, pp. 393-399.
2005 - View publication details