Newton Lupwayi, PhD

Image Newton Lupwayi
Research Scientist

Soil microbiology

Current research and/or projects

  • The right balance: management strategies for plugging organic soil health.
  • Soybean and Corn Cropping Systems - Integrated Crop Agronomy Cluster.
  • Optimizing agroecosystems resiliency - Optimizing systems productivity, resilience and sustainability in the major Canadian ecozones.
  • Integrating multiple beneficial management practices (BMPs) in organic cropping systems: Soil health, weed and insect interactions.
  • Elucidating and exploiting rhizosphere processes for improved soil health and productivity.
  • Evaluation of economic and agro-ecological merits of diverse cropping sequences with perennial forage seed and annual field crops.
  • Novel vs. traditional manure/compost to conserve soil resources and improve soil health.
  • Management strategies to improve rangeland soil health and productivity.
  • Diversity and ecosystem function of insects in cattle dung on pasture.

Research and/or project statements

Study soil microbial community composition, diversity and functioning in agroecosystems.

Professional activities / interests

Editor-in-Chief, Canadian Journal of Soil Science, 2017 & 2018

Editorial Board Member, Agriculture, Ecosystems and Environment (journal), 2009-Present

Education and awards

PhD Soil Microbiology, Lincoln University, New Zealand

Co-author of Best 2016 Agronomy Paper in Canadian Journal of Plant Science, 2017

Gold Harvest Award for Innovation, Collaboration and Service Excellence, Agriculture & Agri-Food Canada, 2015

International experience and/or work

Lilongwe University of Agriculture and Natural Resources, Lilongwe, Malawi

International Livestock Research Institute, Addis Ababa, Ethiopia

Key publications

  1. Khanal, N., Azooz, R., Lupwayi N., Otani, J., and Yoder, C. (2022) Integrating perennial forage seed crops in the cropping systems in western Canada: An agroecological and economic assessment. Oral presentation in the 3rd NAPA Biennial Scientific Conference held on site (in Atlanta, GA) and virtual hybrid mode on May 27-29, 2022.

    2023 - View publication details

  2. Liu, X.; Floate, K.D.; Gorzelak, M.A.; Holman, D.B.; Hrycauk, S.; Kubota, H.; Lupwayi, N.; Neilson, J.A.D.; Ortega Polo, R.; Petri, R.M.; Tran, L.; Wang, H.; Wilches, D.; Yang, X.; Zorz, J.; Guarna, M.M. Prairie Agroecosystems: Interconnected Microbiomes of Livestock, Soil and Insects. Agriculture 2023, 13, 326.

    2023 - View publication details


    2022 - View publication details

  4. Khanal, N., Lupwayi, N. Z., Azooz, R., & Rahman, N. (2022) Beneficial Sequence of Perennial Forage Seed Crops and Annual Food Crops in Crop Rotations in Western Canada [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. Nov 6-9, 2022

    2022 - View publication details

  5. 2022. Kubota, H., Liu, K., Tedla, H.A., Curtis, T., Entz, M., Khakbazan, M., Larney, F., Lemke, R., Lupwayi, N., Kapiniak, A., Peng, G., Ramirez, G.H., Semach, G., St.Luce, M., Strydhorst, S., Tidemann, B., Gan, Y. Evaluating cropping systems for productivity, sustainability, and resilience in Northern Alberta. 2022 Beaverlodge Research Farm Spring Seminars held using MS Teams on April 1, 2022, and organized by J. Otani at Beaverlodge, Alberta.

    2022 - View publication details

  6. 2022. Kubota, H., Liu, K., Tedla, H.A., Curtis, T., Entz, M., Khakbazan, M., Larney, F., Lemke, R., Lupwayi, N., Kapiniak, A., Peng, G., Ramirez, G.H., Semach, G., St.Luce, M., Strydhorst, S., Tidemann, B., Gan, Y. Balancing sustainability and profitability: the role of crop varieties and crop rotations. 2022 Mackenzie Applied Research Association Seminars held using Zoom on February 17, 2022.

    2022 - View publication details

  7. Larney, F.J., Pearson, D.C., Dill, G.H., Schwinghamer, T.D., Zvomuya, F., Blackshaw, R.E., Lupwayi, N.Z. (2021). Soil water dynamics over 12 seasons on irrigated dry bean-potato-wheat-sugar beet rotations. Canadian Journal of Soil Science, [online] 101(2), 177-191.

    2021 - View publication details

  8. Tidemann BD, Harker KN, Geddes CM, Blackshaw RE, Lupwayi N, Shirtliffe S, Willenborg C, Johnson EN, Gulden R, Turkington TK, Semach G, Mulenga A (2020) Mitigating herbicide resistance: Incorporating integrated weed management strategies. Poster presentation at the Canadian Weed Science Society Virtual Meeting November 2020. Abstract 49. Available at

    2020 - View publication details

  9. Larney, F.J., Catton, H.A. Geddes, C.M., Lupwayi, N.Z., Forge, T.A., Lemke, R.L., and Helgason, B.L. 2020. Cover cropping for organic carrot production. Oral presentation. Organic Alberta and Holistic Management Canada Conference, January 31-February 2, 2020, Camrose, AB.

    2020 - View publication details

  10. Khanal, N., Azooz, R., Lupwayi N., Otani1 J., Yoder, C. (2019) Integrating perennial forage seed crops in the cropping systems in western Canada: An agroecological and economic assessment. In Proceedings of Plant Canada 2019: Communicating Innovation in Plant Science, Guelph, Ontario, Canada; 7-10 July 2019.

    2019 - View publication details

  11. Nair, J., Turkington, T.K., Blackshaw, R., Geddes, C.M., Lupwayi, N.Z., Xu, S., Yang, J., Yang, H.E., Wang, Y., McAllister, T.A. (2019). Impact of field fungal contamination of barley on ensiling properties, nutritional quality and the microbiome of barley silage. Grass and Forage Science, [online] 74(2), 231-243.

    2019 - View publication details

  12. Lupwayi, N.Z., Zhang, Y., Hao, X., Thomas, B.W., Eastman, A.H., Schwinghamer, T.D. (2019). Linking soil microbial biomass and enzyme activities to long-term manure applications and their nonlinear legacy. Pedobiologia, [online] 74 34-42.

    2019 - View publication details

  13. Lupwayi, N.Z., Larney, F.J., Blackshaw, R.E., Pearson, D.C., Eastman, A.H. (2018). Soil Microbial Biomass and Its Relationship with Yields of Irrigated Wheat under Long-term Conservation Management. Soil Science, [online] 183(5), 179-187.

    2018 - View publication details

  14. Lupwayi, N.Z., May, W.E., Kanashiro, D.A., Petri, R.M. (2018). Soil bacterial community responses to black medic cover crop and fertilizer N under no-till. Applied Soil Ecology, [online] 124 95-103.

    2018 - View publication details

  15. Lupwayi, N.Z., Kanashiro, D.A., Eastman, A.H., Hao, X. (2018). Soil phospholipid fatty acid biomarkers and β-glucosidase activities after long-term manure and fertilizer N applications. Soil Science Society of America Journal, [online] 82(2), 343-353.

    2018 - View publication details

  16. Soden, C, Hao X, Thomas BW, Stoeckli K, Floate K, Lupwayi N. 2018. Could dung pats treated with and without ivermectin affect insect activities and impact soil available nitrogen on native pasture? 2018 Alberta Soil Science Workshop, Edmonton AB, Feb 20-22, 2018.

    2018 - View publication details

  17. Zhang, Y., Hao, X., Alexander, T.W., Thomas, B.W., Shi, X., Lupwayi, N.Z. (2018). Long-term and legacy effects of manure application on soil microbial community composition. Biology and Fertility of Soils, [online] 54(2), 269-283.

    2018 - View publication details

  18. Hao, X., C. Soden, J. Stoeckli, B.W. Thomas, K.D. Floate and N. Lupwayi. 2018. Could insect activities reduce greenhouse gas emissions from dung pats? 71st Annual Meeting of the Society for Range Management, Sparks, Nevada, 28 January – 02 February. [oral presentation]

    2018 - View publication details

  19. Smith, E.G., Neil Harker, K., O’Donovan, J.T., Kelly Turkington, T., Blackshaw, R.E., Lupwayi, N.Z., Johnson, E.N., Pageau, D., Shirtliffe, S.J., Gulden, R.H., Hall, L.M., Willenborg, C.J. (2018). The profitability of diverse crop rotations and other cultural methods that reduce wild oat (Avena fatua). Canadian Journal of Plant Science, [online] 98(5), 1094-1101.

    2018 - View publication details

  20. Khakbazan, M., Grant, C.A., Huang, J., Zhong, C., Smith, E.G., O’Donovan, J.T., Mohz, R.M., Blackshaw, R.E., Harker, K.N., Lafond, G.P., Johnson, E.N., May, W.E., Turkington, T.K., Gan, Y., Lupwayi, N.Z., St. Luce, M. (2018). Economic impact of residual Nitrogen and preceding crops on wheat and canola, 110(1), 339-348.

    2018 - View publication details

Research facility

5403 1st Avenue South
Lethbridge, AB T1J 4B1


Canadian Society of Soil Science

Soil Science Society of America