Judith Nyiraneza

Image Judith Nyiraneza
Research Scientist

My  research projects aim to:

 Better understand nitrogen and carbon cycling under diversified cropping systems;

 Identify strategies to enhance phosphorus use efficiency in acidic soils;

 Evaluate best management practices that enhance soil health under potato production systems.

Current research and/or projects

Using living laboratory approach to develop and transfer innovative soil and water quality BMPs in Prince Edward Island

Pulses to improve winter wheat production and sustainability in Eastern Canada

Improving crop production resiliency using innovative BMPs

State of soil and land of Canada: cost-effective methods of soil and soil landscape delivery

Assessing the effect of land use and agricultural management on the stability and resilience of soil food webs

Linking nutrient cycling and soil health in Canadian agroecosystems.


Atlantic soil health and diversity.

Potato early dying network

Research and/or project statements

Améliorer la santé des sols, l’efficacité de l’utilisation des éléments nutritifs et la productivité des cultures.

Education and awards

B. Sc. en agronomie

M. Sc. en science du sol et en phytologie

Ph. D. en science du sol et en science de l’environnement

Key publications

  1. Chen, D., J. Nyiraneza, K. Nahar, D. Murnaghan, J. Matheson. 2022. Potato early dying and yield responses to tillage treatments in Eastern Canada. The Canadian Society for Horticultural Science’s national 2022 conference Lord Nelson Hotel and Suites, 1515 South Park street, Halifax, NS 2022/08/18 - 2022/08/20

    2022 - View publication details

  2. Danielescu S, MacQuarrie KTM, Nyiraneza J, Zebarth BJ (2022) Nitrate leaching for a three-year potato rotation in Prince Edward Island, Canada GAC-MAC-IAH-CNC-CSPG Joint Meeting, May 15-18, Halifax, Nova Scotia, Canada

    2022 - View publication details

  3. McKenzie-Gopsill A, Mills A, Fraser T, Nyiraneza J (2022) Weed suppression of full-season cover crops in Atlantic Canada. CWSS/WSSA Joint Meeting, Feb 22-24th 2022, Online

    2022 - View publication details

  4. Khakbazan, M., Nyiraneza, J., Jiang, Y., Huang J. 2021. Conservation tillage and cover crop management practices in potato production to improve soil health and profitability, July 26-28, 2021. Soil and Water Conservation Society 76th International Annual Conference, Virtual.

    2021 - View publication details

  5. Kröbel, R., Stephens, E.C., Gorzelak, M.A., Thivierge, M.N., Akhter, F., Nyiraneza, J., Singer, S.D., Geddes, C.M., Glenn, A.J., Devillers, N., Alemu, A.W., St. Luce, M., Giardetti, D. (2021). Making farming more sustainable by helping farmers to decide rather than telling them what to do. Environmental Research Letters, [online] 16(5), http://dx.doi.org/10.1088/1748-9326/abef30

    2021 - View publication details

  6. Nyiraneza, J., Bélanger, G., Benjannet, R., Ziadi, N., Cambouris, A., Fuller, K., Hann, S. (2021). Critical phosphorus dilution curve and the phosphorus-nitrogen relationship in potato. European Journal of Agronomy, [online] 123 http://dx.doi.org/10.1016/j.eja.2020.126205

    2021 - View publication details

  7. Assess the effects of cover crops, residue tillage, nitrogen fertilizer management and irrigation on the farm level economic performance in potato rotation systems. Annual Living Labs Atlantic Canada Co-Development meeting, Jan. 27, 2021.

    2021 - View publication details

  8. Parenteau, M.T., Gu, H., Zebarth, B.J., Cambouris, A.N., Lafond, J., Nelson, A., Nyiraneza, J., Davidson, C., Lagüe, M., Galvez, J.H., Strömvik, M.V., Tai, H.H. (2020). Data mining nitrogen-responsive gene expression for source-sink relations and indicators of n status in potato. Agronomy, [online] 10(10 October), http://dx.doi.org/10.3390/agronomy10101617

    2020 - View publication details

  9. Benjannet, R., Nyiraneza, J., Khiari, L., Cambouris, A., Fuller, K., Hann, S., Ziadi, N. (2020). Potato response to struvite compared with conventional phosphorus fertilizer in Eastern Canada. Agronomy Journal, [online] 112(2), 1360-1376. http://dx.doi.org/10.1002/agj2.20118

    2020 - View publication details

  10. Khakbazan, M., Nyiraneza, J., Jiang, Y., Rodd, V., Huang, J., Zebarth, B., Fuller, K., Smith, E., Xie, R. (2020). Economic effect of fall vs. spring plowing of forage on following potato production in Prince Edward Island, Canada. Agrosystems, Geosciences and Environment, [online] 3(1), http://dx.doi.org/10.1002/agg2.20010

    2020 - View publication details

  11. Nyiraneza, J., Thompson, B., He, J., Stiles, K., Geng, X., Jiang, Y., Fillmore, S. (2019). Long-Term Changes in Mehlich-3-Extractable Sulfur and Magnesium under Intensive Agriculture in Eastern Canada. Communications in Soil Science and Plant Analysis, [online] 50(20), 2505-2520. http://dx.doi.org/10.1080/00103624.2019.1667375

    2019 - View publication details

  12. Smith, E. L., Vosman, A., Rodd, V., Kellman, L., Fuller, K., Nyiraneza, J., McDonald, B., Henry, R. Nov. 4-7, 2018. Simultaneous losses of nitrogen via water and air from agricultural cropping systems. American Society of Agronomy/Crop Science Society of America/Soil Science Society of America (ASA-CSSA-SSSA) International Annual Meeting: Enhancing Productivity in a Changing Climate. Baltimore, Maryland.

    2018 - View publication details

  13. Benjannet, R., Khiari, L., Nyiraneza, J., Thompson, B., He, J., Geng, X., Stiles, K., Jiang, Y., Fillmore, S. (2018). Identifying environmental phosphorus risk classes at the scale of prince edward Island, Canada. Canadian Journal of Soil Science, [online] 98(2), 317-329. http://dx.doi.org/10.1139/cjss-2017-0076

    2018 - View publication details

  14. Rodd, A.V., Smith, E., Fuller, K. , Burton, D., Anderson, S., Henry, R., McMullen, D., Grimmett, M., Khakbazan, M., Fillmore, S., Nyiraneza, J., Janes, D., Jenkins, S., Murray, B., MacDonald, B., Jiang, Y. and Pratt, W. 2017. Temperature Based Fall Plowing. CRDC / FRDC Seminar Series 2016 / 2017. January 18th.

    2017 - View publication details

  15. Rodd, A.V., Anderson, S., Zoski, E., Lapen, D., Smith, E., KHakbazan, M., Henry, R., Murray, B., Grimmett, M., McMullen, D., Burton, D., Fillmore, S. Janes, D., Nyiraneza, J., Khakbazan, M., Kuehnbaum, A., Handyside, P., Jiang, Y. and Jenkins, S. 2017. Harrington Woodchip Denitrification Bio-reactors- What are they and why are we interested. CRDC/ FRDC Seminar Series 2016/2017 January 18th.

    2017 - View publication details

  16. Morissette, R., Jégo, G., Bélanger, G., Qian, B., Nyiraneza, J., and Zebarth, B.J. (2016). "Assessment of the effect of climate change on potato growth in eastern Canada with the STICS soil-crop model.", CSBE/SCGAB 2016 Annual Conference, Halifax, Canada, 3-6 July, 2016.

    2016 - View publication details

  17. Morissette, R., Jégo, G., Bélanger, G., Cambouris, A.N., Nyiraneza, J., Zebarth, B.J. (2016). Simulating potato growth and nitrogen uptake in eastern Canada with the STICS model. Agronomy Journal, [online] 108(5), 1853-1868. http://dx.doi.org/10.2134/agronj2016.02.0112

    2016 - View publication details

  18. Morissette, R., Jégo, G., Bélanger, G., Cambouris, A. N., Nyiraneza, J., & Zebarth, B. J. 2016. Simulating Potato Growth and Nitrogen Uptake in Eastern Canada with the STICS Model. Agronomy Journal, 108(5), 1853-1868.

    2016 - View publication details

  19. Rodd, V., Mills, A., Zebarth, B., Smith, E., Nyiraneza, J., Grimmett, M., Khakbazan, M., Mohr, R., Fillmore, S. and Jiang, Y. Jan. 29, 2016. Spring vs fall plowing research. PEI Federation of Agriculture Annual Meeting. Charlottetown, PEI.

    2016 - View publication details

  20. Jiang, Y., Nyiraneza, J., and Khakbazan, M. (2015). "Environmental and economic effects of spring plowing forages.", East Prince Ag-environment Association at Callbeck Centre, Lower Bedeque, PEI, Canada, April 2, 2015. (Presentation)

    2015 - View publication details

Research facility

440 University Avenue
Charlottetown, PE C1A 4N6


  • Canadian Society of Soil Science (CSSS)

  • Soil Science Society of America (SSSA)

  • Potato Association of America (PAA)



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