Nyiraneza, Judith, Ph.D.

Research Scientist, Nutrient management specialist


Contact Information:

440 University Avenue
Charlottetown, Prince Edward Island C1A 4N6
Telephone: 902-370-1394
Fax: 902-370-1444
Email: judith.nyiraneza@agr.gc.ca

Areas of Expertise:

  • identification of best nutrient management practices to improve crop yield and quality, and to minimize the impact on the environment
  • evaluation of synthetic fertilizer and organic amendment effectiveness in improving crop yield and economic returns
  • assessment of the impact of environmental conditions and agricultural practices on nitrogen and phosphorus dynamics

Current Projects:

  • Assessment of the impact of diversified cropping systems on nitrogen cycling: soil nitrogen supply, soil nitrogen dynamic during the growing season, and subsequent crop nitrogen fertilizer requirement

Affiliations:

  • Association Québécoise des Spécialistes en Sciences du Sol (AQSSS)
  • Canadian Society of Soil Science (CSSS)
  • Soil Science Society of America (SSSA)

Research Publications:

The links below lead to abstracts with access to full text.

2016

2015

2013

2012

2011

2010

2009

Other Science Related Publications:

2016

  • 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.

2015

  • Bizimungu, B., Nyiraneza, J., Fuller, K.D., Bishop, G.A., Jiang, Y., and Kirby, C.W. (2015). "Responses of new potato cultivars to phosphorus fertilization in New Brunswick, Canada.", 99th annual meeting of the potato Association of America, Portland, Maine, USA, July 19-23, 2015.
  • Grimmett, M.G., Nyiraneza, J., Rodd, A.V., Zebarth, B.J., and Danielescu, S. (2015). "Seasonal soil nitrate patterns under potato production in Prince Edward Island.", 14th International Symposium for Soil and Plant Analysis, Kona Beach, Hawaii, USA, January 26-30, 2015.
  • Jannet, R.B., Nyiraneza, J., Khiari, L., and Thompson, B. (2015). "Environmental model of P saturation for acidic soils of Prince Edward Island.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, McGill University, Montreal, QC, Canada, July 5-10, 2015.
  • Jiang, Y., Chapman, S., Malenica, A., Parker, B., Cherry, J., Murray, B., Nyiraneza, J., Ryan, M.C., Grimmett, M.G., and Rodd, A.V. (2015). "Understanding Controls of Matrix Storage on Nitrate Transport in Fractured-porous Bedrock Aquifer.", 2015 Stakeholders Day, Harrington, PEI, Canada, July 14, 2015. (Poster)
  • Jiang, Y., Nyiraneza, J., Khakbazan, M., and Murray, B. (2015). "Spring plowing enhances groundwater quality and economic resiliency of potato production.", 2015 Project 132 knowledge transfer event, Souris, PEI, Canada, June 19, 2015. (Presentation)
  • Jiang, Y., Nyiraneza, J., Murray, B., Khakbazan, M., Grimmett, M.G., Somers, G.H., and Thompson, B. (2015). "Spring plowing enhances water quality and potato production.", 2015 Stakeholders Day, Harrington, PEI, Canada, July 14, 2015. (Poster)
  • Jiang, Y., Nyiraneza, J., Zebarth, B.J., Murray, B., Khakbazan, M., and Fuller, K.D. (2015). "Postponding forage plowing from fall to spring enhances groundwater quality and economic resiliency of potato production.", 9th World Potato Congress, Beijing, China, July 28-30, 2015. (Poster)
  • Jiang, Y., Nyiraneza, J., Zebarth, B.J., Murray, B., Khakbazan, M., and Fuller, K.D. (2015). "Postponing forage plowing from fall to spring enhances groundwater quality and economic resiliency of potato production.", 9th World Potato Congress, Beijing, China, July 28-30, 2015. (Abstract)
  • Jiang, Y., Nyiraneza, J., Zebarth, B.J., Murray, B., Khakbazan, M., and Fuller, K.D. (2015). "Validating effects of spring plowing forages on nitrate leaching reduction.", 2015 IAH-CNC Conference, Waterloo, ON, Canada, October 26-30, 2015. (Abstract)
  • 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)
  • Jiang, Y., Nyiraneza, J., and Zebarth, B.J. (2015). "Challenges and BMP opportunities for improving water quality and economic resiliency of potato production in Eastern Canada.", 2015 World Potato Congress, Beijing, China, July 28-30, 2015.
  • Mills, A.A.S., Breune, I., Noronha, C., Nyiraneza, J., Parent, G., and Rodd, A.V. (2015). "Intercropping grains, oilseeds and row crops with forage species to enhance cropping system sustainability.", 5th International Symposium for Farming Systems Design, Montpellier, France, September 7-10, 2015.
  • Morissette, R., Jégo, G., Bélanger, G., Cambouris, A.N., Nyiraneza, J., and Zebarth, B.J. (2015). "Simulating potato growth and nitrogen uptake in eastern Canada with the STICS crop model.", SSSA 2015.
  • Nyiraneza, J., Jannet, R.B., Fuller, K.D., Bizimungu, B., Bishop, G.A., Jiang, Y., Khiari, L., Grimmett, M.G., Rodd, A.V., Mills, A.A.S., and Ziadi, N. (2015). "Critical phosphorus concentrations and P saturation ratio levels under potato production in Atlantic Canada.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, McGill University, Montreal, QC, Canada, July 5-10, 2015.
  • Robbins, N., Jiang, Y., Nyiraneza, J., van den Heuvel, M., Mills, A.A.S., and Noronha, C. (2015). "The effects of buckwheat as a potato rotation crop on soil and water quality.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, McGill University, Montreal, QC, Canada, July 5-10, 2015.
  • Whittaker, J., Nyiraneza, J., Burton, D.L., Zebarth, B.J., Rodd, A.V., and Grimmett, M.G. (2015). "Nitrogen cycling from legume and grass forages during forage phase and subsequent potato crop.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, Montreal, QC, Canada, July 5-10, 2015.

2014

  • Bélanger, G., Ziadi, N., Sinaj, S., Virkajärvi, P., Jouany, C., Lajeunesse, J., and Nyiraneza, J. (2014). "Critical P concentration of forage grasses.", ASA, CSSA and SSSA International Annual Meeting 2014, Long Beach, CA, USA, November 2-5, 2014. (Poster)
  • Cambouris, A.C., Perron, I., Ziadi, N., Lafond, J., Zebarth, B.J., Nyiraneza, J., Nelson, A., Carvers, C., and Tremblay, N. (2014). "Fertilisation azotée dans la production de pomme de terre du centre à l’est Canadien : saison 2013.", Congrès annuel de l’association québécoise des spécialistes en sciences du sol, Victoriaville, Québec, Canada, May 26-29, 2014, Oral presentation.
  • Cambouris, A.N., Perron, I., Ziadi, N., Lafond, J., Zebarth, B.J., Nyiraneza, J., Nelson, A., Cavers, C., and Tremblay, N. (2014). "Fertilisation azotée du centre à l’est du Canada sous culture de la pomme de terre : saison 2013.", Congrès annuel de l’AQSSS, Victoriaville, QC, Canada. (Presentation)
  • Danielescu, S., Grimmett, M.G., Rodd, A.V., Nyiraneza, J., and Zebarth, B.J. (2014). "Groundwater recharge and nitrate loading from a field under a conventional potato production system in PEI.", Canada Water Resources Association (CWRA) 2014 Congress, Hamilton, ON, Canada, June 2-4, 2014, Presentation.
  • Fuller, K.D., Burton, D.L., Rodd, A.V., Smith, E., Grimmett, M.G., Nyiraneza, J., Jiang, Y., Khakbazan, M., and Van Roestel, J. (2014). "Improving Hayfield for Forage Quality while Minimizing Nitrate Loading of Tile Drainage in Atlantic Canada.", ASA-CSSA-SSSA International Annual Meeting: Grand Challenges – Great Solutions, Long Beach, CA, USA, November 2-6, 2014.
  • Fuller, K.D., Burton, D.L., Rodd, A.V., Smith, E., Grimmett, M.G., Nyiraneza, J., Jiang, Y., Khakbazan, M., and Van Roestel, J. (2014). "Improving Hayfield for Forage Quality while Minimizing Nitrate Loading of Tile Drainage in Atlantic Canada.", ASA-CSSA-SSSA International Annual Meeting: Grand Challenges – Great Solutions, Long Beach, CA, USA, November 2-6, 2014.
  • Fuller, K.D., Burton, D.L., Rodd, A.V., Smith, E., Grimmett, M.G., Nyiraneza, J., Jiang, Y., Khakbazan, M., and Van Roestel, J. (2014). "Nitrogen dynamics in twin row versus conventional row silage corn in Atlantic Canada.", ASA-CSSA-SSSA International Annual Meeting: Grand Challenges – Great Solutions, Long Beach, CA, USA, November 2-6, 2014.
  • Fuller, K.D., Burton, D.L., Rodd, A.V., Smith, E., Grimmett, M.G., Nyiraneza, J., Jiang, Y., Khakbazan, M., and Van Roestel, J. (2014). "Nitrogen dynamics in twin row versus conventional row silage corn in Atlantic Canada.", ASA-CSSA-SSSA International Annual Meeting: Grand Challenges – Great Solutions, Long Beach, CA, USA, November 2-6, 2014.
  • Fuller, K.D., Nyiraneza, J., Thompson, B., Bizimungu, B., Bishop, G.A., Jiang, Y., Grimmett, M.G., Khiari, L., Rodd, A.V., and Anderson, S. (2014). "Optimum rates of phosphorus for potato production in soils of varying P status in Atlantic Canada… an AAFC Science & Technology Branch Project.", Scotia Horticultural Congress 2014, Kentville, NS, Canada, January 27-28, 2014.
  • Jiang, Y., Chapman, S., Nyiraneza, J., Malenica, A., Li, Q., Murray, B., Grimmett, M.G., and Rodd, A.V. (2014). "Groundwater quality under a retired potato field evidences significant contribution of soil N to nitrate leaching.", 13th congress of European Society of Agronomy, Debrecen, Hungary, August 25-29, 2014.
  • Mills, A.A.S., Nyiraneza, J., and Rodd, A.V. (2014). "The impact of underseeding and overseeding cover crops on the agronomic performance of soybean and canola in the Northeast.", ASA, CSSA and SSSA International Annual Meeting 2014, Long Beach, CA, USA, November 2-5, 2014. (Poster)
  • Nyiraneza, J., Mills, A.A.S., Rodd, A.V., Grimmett, M.G., and Jiang, Y. (2014). "The effects of different cover crops and their managements on subsequent potato growth.", 18th Nitrogen Workshop. The nitrogen challenge: Building blueprint for nitrogen use efficiency and food security, Lisbon, Portugal, June 30-July 3, 2014, Abstract/poster.
  • Nyiraneza, J., Peters, R.D., Grimmett, M.G., Jiang, Y., and Rodd, A.V. (2014). "Canola response to N fertilizer sources and rotation systems in Prince Edward Island.", 18th Nitrogen Workshop. The nitrogen challenge: Building blueprint for nitrogen use efficiency and food security, Lisbon, Portugal, June 30-July 3, 2014, Abstract/poster.
  • Nyiraneza, J., Thompson, B., Fuller, K.D., Bizimungu, B., Bishop, G.A., Jiang, Y., Grimmett, M.G., Khiari, L., Rodd, A.V., and Anderson, S. (2014). "Potato response to phosphorus fertilization in Atlantic Canada and assessment of the degree of soil phosphorus saturation.", Northeast Potato Technology Forum 2014, Fredericton, NB, Canada, March 12-13, 2014, Oral presentation.
  • Rodd, A.V., Grimmett, M.G., Fuller, K.D., Bezanson, G.S., Nyiraneza, J., Henry, R., Jenkins, S., and others (2014). "Management of manure to decrease the potential for E. coli contamination.", Open houses organized by AAFC, Crop and Livestock Research Centre. (Presentation)

2013

  • Anderson, S., Rodd, A.V., Grimmett, M.G., Nyiraneza, J., Zoski, E.D., Smith, E., Kuehnbaum, A., Handyside, P., Murray, B., Henry, R., Jenkins, S., and others (2013). "Woodchip bioreactor for decreasing nitrate in tile effluent.", Open houses organized by AAFC, Harrington, Charlottetown, PEI, Canada, August 16, 2013. (Presentation)
  • Grimmett, M.G., Rodd, A.V., Nyiraneza, J., Zebarth, B.J., and Danielescu, S. (2013). "Nutrient analysis of groundwater and soil water from potato production systems.", 127th Association of Official Agricultural Chemists (AOAC) Annual Meeting, Palmer House Hilton, Chicago, IL, USA, August 25-28, 2013.
  • Jiang, Y., Nyiraneza, J., Jamieson, T., Murray, B., Grimmett, M.G., Somers, G.H., and Thompson, B. (2013). "Delayed plowing of forages within potato rotation reduces nitrate leaching.", American Geophysical Union 2013 Fall Meeting, San Francisco, USA, December 9-13, 2013. (Abstract)
  • N'Dayegamiye, A., Nyiraneza, J., Deschenes, P., and Drapeau, A. (2013). "Benefits of summer and fall green manures on potato yields, N nutrition and disease incidence.", 97th Annual Meeting of the Potato Association of America (PAA), Québec City, QC, Canada, July 28-August 2, 2013, #110.
  • N'Dayegamiye, A., Nyiraneza, J., Giroux, M., Grenier, M., and Drapeau, A. (2013). "Manure and Paper Mill Sludge Application Effects on Potato Yield, Nitrogen Efficiency and Disease Incidence.", 97th Annual Meeting of the Potato Association of America (PAA), Québec City, QC, Canada, July 28-August 2, 2013, #111.
  • Nyiraneza, J., Fuller, K.D., Bizimungu, B., Bishop, G.A., Grimmett, M.G., Rodd, A.V., Jiang, Y., Mills, A.A.S., Gregory, D., Enman, B., and others (2013). "Increasing phosphorus use efficiency in potato production in Atlantic Canada.", Open houses organized by AAFC, Crop and Livestock Research Centre, August 16, 2013. (Presentation)
  • Nyiraneza, J., Peters, R.D., Rodd, A.V., Grimmett, M.G., Zebarth, B.J., Ziadi, N., Bélanger, G., and Jégo, G. (2013). "Impact of Crop Rotations, and Mineral and Organic N fertilizer on Soil Nitrogen Availability and Potato Yield.", Northeast Potato Technology Forum 2013, Delta Prince Edward, Charlottetown, PEI, Canada, March 5-6, 2013.
  • Nyiraneza, J., Peters, R.D., Rodd, A.V., Grimmett, M.G., Zebarth, B.J., Ziadi, N., Bélanger, G., and Jégo, G. (2013). "Soil N supply and potato yield as affected by Crop Rotations and N sources.", 97th Annual Meeting of the Potato Association of America (PAA), Québec City, QC, Canada, July 28-August 2, 2013, #038.
  • Rodd, A.V., Nyiraneza, J., Henry, R., Peters, R.D., Grimmett, M.G., and Mills, A.A.S. (2013). "Compost from the sea for agricultural production. Compost council of Canada regional meeting.", Compost matters in Atlantic Canada, Westmorland‐Albert Solid Waste Corporation, Moncton, NB, Canada, March 13-14, 2013.

2012

  • Bélanger, G., Ziadi, N., Sinaj, S., Virkajärvi, P., Jouany, C., Lajeunesse, J., and Nyiraneza, J. (2012). "Critical P concentration of timothy and multispecies swards.", 24th General Meeting of the European Grassland Federation, Lublin, Poland, June 3-7, 2012. (Poster)
  • Nyiraneza, J. (2012). "Effets de la texture et de la fertilisation azotée sur le rendement et la qualité du blé de printemps.", Journée d’information scientifique sur les grandes cultures 2012, Centre de Référence en Agriculture et Agroalimentaire du Québec (CRAAQ), Drummondville, QC, Canada, February 23, 2012.
  • Nyiraneza, J., Cambouris, A.N., Ziadi, N., Tremblay, N., and Nolin, M.C. (2012). "Effets de la texture et de la fertilisation azotée sur le rendement et la qualité de blé de printemps.", Journée scientifique sur les grandes cultures, Centre de Référence en Agriculture et Agroalimentaire du Québec (CRAAQ), Drummondville, QC, Canada, February 23, 2012. (Presentation)
  • Nyiraneza, J., Chantigny, M.H., N'Dayegamiye, A., and Laverdière, M.R. (2012). "Les systèmes de culture qui laissent peu de résidus de récolte sont-ils durables à long-terme? Cas du maïs ensilage alterné avec les céréales?", Journée scientifique sur les grandes cultures, Centre de Référence en Agriculture et Agroalimentaire du Québec (CRAAQ), Drumondville, QC, Canada, February 23, 2012. (Presentation)
  • Nyiraneza, J., Zebarth, B.J., Ziadi, N., Sharifi, M., Burton, D.L., Drury, C.F., Bittman, S., and Grant, C.A. (2012). "The ability of soil chemical and biological N availability indices to predict soil nitrogen supply of contrasting soils under corn.", Canadian Society of Soil Science (CSSS) and Association Québécoise de Spécialistes en Sciences du Sol (AQSSS) Joint Meeting, Manoir St-Castin, Lac Beauport, QC, Canada, June 3-8, 2012. (Poster)
  • Nyiraneza, J., Ziadi, N., Cambouris, A.N., and Nolin, M.C. (2012). "Corn nitrogen response and residual soil nitrate are affected by soil texture, N rate and growing season conditions.", Canadian Society of Soil Science (CSSS) and Association Québécoise de Spécialistes en Sciences du Sol (AQSSS) Joint Meeting, Manoir St-Castin, Lac Beauport, QC, Canada, June 3-8, 2012. (Presentation)

2011

  • Nyiraneza, J., Nolin, M.C., Ziadi, N., and Cambouris, A.N. (2011). "Short-range Variability of Nitrate and Phosphate desorbed from Anionic Exchange Membranes.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011. (Poster)
  • Nyiraneza, J., Nolin, M.C., Ziadi, N., and Cambouris, A.N. (2011). "Variabilité à petite échelle des nitrates et phosphates adsorbés sur les membranes échangeuses d’anion.", 25ème congrès de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): Les sciences du sol au 21ème siècle : Défis à relever pour une ressource à préserver, Wendake, QC, Canada, May 25-27, 2011. (Presentation)
  • St. Luce, M., Ziadi, N., Nyiraneza, J., Tremblay, G.F., Zebarth, B.J., Whalen, J.K., and Laterrière, M. (2011). "Prediction of soil properties and soil N supply using near infrared reflectance spectroscopy.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.

2010

  • Chantigny, M.H., Angers, D.A., Nyiraneza, J., and Rochette, P. (2010). "Émissions de N2O produits par différents engrais minéraux appliquées en post-levée dans le maïs-grain.", 24e Congrès annuel de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): Vers des systèmes sol-plante sains et durables, Abbaye d’Oka, Oka, QC, Canada, June 1-3, 2010. (Presentation)
  • N'Dayegamiye, A., Nyiraneza, J., and Drapeau, A. (2010). "Étude du bilan d’engrais azoté (15N) dans des systèmes de production de pomme de terre.", 24e Congrès annuel de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): Vers des systèmes sol-plante sains et durables, Abbaye d’Oka, Oka, QC, Canada, June 1-3, 2010. (Poster)
  • Nyiraneza, J., Chantigny, M.H., N'Dayegamiye, A., and Laverdière, M.R. (2010). "The fate of 15N fertilizer in corn, barley and wheat-soil system: effect of cropping system.", 24e Congrès annuel de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): Vers des systèmes sol-plante sains et durables, Abbaye d’Oka, Oka, QC, Canada, June 1-3, 2010. (Presentation)
  • Nyiraneza, J., Ziadi, N., Grant, C.A., Samson, N., Bélanger, G., and Parent, L.-É. (2010). "Efficiency of slow release fertilizer.", 24e Congrès annuel de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): Vers des systèmes sol-plante sains et durables, Abbaye d’Oka, Oka, QC, Canada, June 1-3, 2010. (Presentation)

2009

  • Giroux, M., Sarr, J.-B., Nyiraneza, J., and N'Dayegamiye, A. (2009). Effets des épandages d'engrais minéraux et organiques sur l'évolution des propriétés physiques et de la teneur en matière organique des sols sous cultures commerciales. Cahiers de l'observatoire de la qualité des sols du Québec. Cahier numéro 8., Canada: Institut de recherche et de développement en agroenvironnement (IRDA). (Book)
  • Giroux, M., Sarr, J.-B., Nyiraneza, J., and N'Dayegamiye, A. (2009). Effets des épandages d'engrais minéraux et organiques sur l'évolution des propriétés physiques et de la teneur en matière organique des sols sous prairies. Cahiers de l'observatoire de la qualité des sols du Québec. Cahier numéro 9., Canada: Institut de recherche et de développement en agroenvironnement (IRDA). (Book)
  • Nyiraneza, J., Chantigny, M.H., N'Dayegamiye, A., and Laverdière, M.R. (2009). "Cropping system effects on soil productivity and N recovered by corn and wheat.", Annual Seminars, Agriculture and Agri-Food Canada, Québec City, QC, Canada, December 10, 2009. (Presentation)
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