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May, Bill, M. Sc.

Agronome, gestion des cultures

Coordonnées :

C.P. 760
Indian Head, (Saskatchewan) S0G 2K0
Téléphone : 306-695-5225
Télécopieur : 306-695-3445
Courriel : william.may@agr.gc.ca

Domaines d'expertise :

  • gestion des cultures

Publications de recherche

2018

  • 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, 124 95-103. http://dx.doi.org/10.1016/j.apsoil.2017.11.003
  • MacLean, D.E., Lobo, J.M., Coles, K., Harding, M.W., May, W.E., Peng, G., Turkington, T.K., Kutcher, H.R. (2018). Fungicide application at anthesis of wheat provides effective control of leaf spotting diseases in western Canada, 112 343-349. http://dx.doi.org/10.1016/j.cropro.2018.06.019
  • May, W.E., Dawson, M.P., Lyons, C.L. (2018). Response of sunflowers (Helianthus annuus L.) to varying seeding rates and nitrogen fertilizer rates in a no-till cropping system in saskatchewan, 98(6), 1331-1341. http://dx.doi.org/10.1139/CJPS-2017-0313
  • Mohammad Khakbazan; Cynthia Grant; Jianzhong Huang; Colin Zhong; Elwin Smith; John O'Donovan; Ramona Mohr; Robert Blackshaw; K. Harker; Guy Lafond; Eric Johnson; W. May; T. Turkington; Yantai Gan; Newton Lupwayi; Mervin St. Luce. 2018. Economic Impact of Residual Nitrogen and Preceding Crops on Wheat and Canola. Agronomy J. 110: 1: 339-348 doi: 10.2134/agronj2017.08.0489.

2017

  • Gregorich, E.G., Janzen, H.H., Ellert, B.H., Helgason, B.L., Qian, B., Zebarth, B.J., Angers, D.A., Beyaert, R.P., Drury, C.F., Duguid, S., May, W.E., McConkey, B.G., Dyck, M.F. 2017. Litter decay controlled by temperature, not soil properties, affecting future soil carbon. Global Change Biology (in press). doi: 10.1111/gcb.13502

2016

  • Grant, C.A., O'Donovan, J.T., Blackshaw, R.E., Harker, K.N., Johnson, E.N., Gan, Y.T., Lafond, G.P., May, W.E., Turkington, T.K., Lupwayi, N.Z., McLaren, D.L., Zebarth, B.J., Khakbazan, M., St. Luce, M., et Ramnarine, R. (2016). « Residual effects of preceding crops and nitrogen fertilizer on yield and crop and soil N dynamics of spring wheat and canola in varying environments on the Canadian prairies. », Field Crops Research, 192, p. 86-102. doi : 10.1016/j.fcr.2016.04.019
  • Khakbazan, M., Grant, C.A., Huang, J., Berry, N., Smith, E.G., O'Donovan, J.T., Blackshaw, R.E., Harker, K.N., Lafond, G.P., Johnson, E.N., Gan, Y.T., May, W.E., Turkington, T.K., et Lupwayi, N.Z. (2016). « Preceding crops and nitrogen effects on crop energy use efficiency in canola and barley. », Agronomy Journal, 108(3), p. 1079-1088. doi : 10.2134/agronj2015.0269
  • O’Donovan, J.T., Edney, M.J., Izydorczyk, M.S., Turkington, T.K., Juskiw, P.E., McKenzie, R.H., Grant, C.A., Harker, K.N., May, W.E., Johnson, E.N., Smith, E.G., Clayton, G.W. (2016). Effect of seeding date and rate on malting barley (Hordeum vulgare L.) quality, 97(1), 10-13. http://dx.doi.org/10.1139/cjps-2016-0137
  • Smith, E.G., Turkington, T.K., O’Donovan, J.T., Edney, M.J., Juskiw, P.E., McKenzie, R.H., Harker, K.N., Clayton, G.W., Xi, K., May, W.E., Irvine, R.B., Brandt, S., Johnson, E.N., Perkovic, S. (2016). Influence of production systems on return and risk from malting barley production in western Canada, 96(3), 339-346. http://dx.doi.org/10.1139/cjps-2015-0129
  • St. Luce, M., Grant, C.A., Ziadi, N., Zebarth, B.J., O'Donovan, J.T., Blackshaw, R.E., Harker, K.N., Johnson, E.N., Gan, Y.T., Lafond, G.P., May, W.E., Malhi, S.S., Turkington, T.K., Lupwayi, N.Z., et McLaren, D.L. (2016). « Preceding crops and nitrogen fertilization influence soil nitrogen cycling in no-till canola and wheat cropping systems. », Field Crops Research, 191, p. 20-32. doi : 10.1016/j.fcr.2016.02.014

2015

2014

2013

2012

2011

2010

2009

Autres publications relatives à la science

2018

  • May, W.E. 2019. Crop Sequencing and N Management in Oats. American Oat Workers Conference, June 19-21, 2018, Seattle, WA

2017

  • May, W.E. and Gan, Y. 2017. Impact of pulse and canola frequency in a crop rotation on weed biomass and dominant species. 2017 Canadian weed Science Society’s Annual Meeting. Nov 21-23, Saskatoon, SK.

2016

  • M. Petruic, C. Willenborg, E. Johnson, W. May, R. Gulden, 2016. Evaluating crop tolerance to unregistered herbicides in flax (Linum usitatissimum). Soils and Crops 2016 Workshop University of Saskatchewan Saskatoon. http://www.usask.ca/soilsncrops/conference-proceedings/2016-proceedings/index.php

2015

  • Aidoo, J.P., Hall, L.M., Strydhorst, S.M., et May, W.E. (2015). « Influence of plant growth regulator application and nitrogen fertilization on oat yield and standability. », Canadian Weed Science Society Conference, Edmonton, Alberta, Canada, November 25, 2015.
  • Aidoo, J.P., Hall, L.M., Strydhorst, S.M., et May, W.E. (2015). « Influence of plant growth regulator application and nitrogen fertilization on oat yield and standability. », Soils and Crops Conference and Agronomy Workshop, Saskatoon, Saskatchewan, Canada, March 16, 2015.
  • Cholango-Martinez, P., May, W.E., Hucl, P.J., et Kutcher, H.R. (2015). « Fungicide control of Leaf mottle on Canary seed. », Soils and Crops Conference and Agronomy Workshop, Saskatoon, Saskatchewan, Canada, March 16, 2015.
  • Gan, Y.T., Harker, K.N., Kutcher, H.R., Gulden, R.H., Irvine, R.B., May, W.E., O'Donovan, J.T., et Yang, C. (2015). « Uniform plant stands enhance the synergy of pod formation and seed yield in canola. », 14th International Rapeseed Congress, Saskatoon, SK, Canada, July 5-9, 2015. (Affiche)
  • MacLean, D., May, W.E., Peng, G., Coles, K., Turkington, T.K., Harding, M.W., et Kutcher, H.R. (2015). « Evaluating Fungicide Timing for Leaf Spot Disease Control in Wheat. », Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015.
  • MacLean, D., May, W.E., Peng, G., Coles, K., Turkington, T.K., Harding, M.W., et Kutcher, H.R. (2015). « Evaluating Fungicide Timing for Leaf Spot Disease Control in Wheat. », Soils and Crops Conference and Agronomy Workshop, Saskatoon, Saskatchewan, Canada, March 16, 2015.
  • MacLean, D., May, W.E., Peng, G., Coles, K., Turkington, T.K., Harding, M.W., et Kutcher, H.R. (2015). « Fungicide application at anthesis provides effective leaf spot control in spring wheat. », Canadian Journal of Plant Pathology. (Résumé)
  • May, W.E. (2015). « Control of volunteer canola in sunflower with sulfentrazone and imazamethabenz. », Canadian Weed Science Society Conference, Edmonton, Alberta, Canada, November 25, 2015.
  • May, W.E. (2015). « Effect of black medic (medicago lupulina) and nitrogen fertilizer on crop yield and soil nitrogen and phosphorous. », Soils and Crops Conference and Agronomy Workshop, Saskatoon, Saskatchewan, Canada, March 16, 2015.
  • May, W.E. et Lyons, C. (2015). « The effect of Nitrogen and Seeding Rate on Sunflowers in a No-till Environment. », Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015, Presentation.
  • May, W.E., Wood, M.A., et Zhou, R. (2015). « The effect of Nitrogen and Seeding depth on Niger. », Botany 2015, Shaw Convention Center, Edmonton, Alberta, Canada, July 25-29, 2015.
  • Mierau, A., Willenborg, C.J., Gulden, R.H., May, W.E., Weber, J., et Johnson, E.N. (2015). « Evaluating a two-pass herbicide system for managing glyphosate-resistant canola in glyphosate-resistant soybean crops. », Canadian Weed Science Society Conference, Edmonton, Alberta, Canada, November 25, 2015.
  • O'Donovan, J.T., Grant, C.A., Blackshaw, R.E., Harker, K.N., Johnson, E.N., Gan, Y.T., May, W.E., Turkington, T.K., Lupwayi, N.Z., Khakbazan, M., et Smith, E.G. (2015). « Legumes in rotation affect hybrid canola and malting barley. », 14th International Rapeseed Congress, Saskatoon, SK, Canada, July 5-9, 2015, Keynote Theme D oral presentation.
  • O'Donovan, J.T., Turkington, T.K., Harker, K.N., Oatway, L., Grant, C.A., Beres, B.L., Johnson, E.N., May, W.E., Izydorczyk, M.S., MacLeod, A., Anbessa, Y., et Vera, C.L. (2015). « Malting barley cultivar responses to increasing nitrogen rates in western Canada. », ASA-CSSA-SSSA International Annual Meeting: Synergy in Science. Partnering for Solutions, Minneapolis, MN, USA, November 15-18, 2015. (Affiche)
  • Turkington, T.K., O'Donovan, J.T., Harker, K.N., Xi, K., Blackshaw, R.E., Johnson, E.N., Peng, G., Kutcher, H.R., May, W.E., Lafond, G.P., Mohr, R.M., et Irvine, R.B. (2015). « The impact of fungicide and herbicide timing on foliar disease severity, and barley productivity and quality. », XVIII International Plant Protection Congress (IPPC), Free University Berlin, Henry Ford Building, Berlin, Germany, August 24-27, 2015, ID: P HERBI 7. (Affiche)
  • Turkington, T.K., Xi, K., O'Donovan, J.T., Harker, K.N., Peng, G., Martin, R.C., Beres, B.L., May, W.E., et Mohr, R.M. (2015). « The impact of seed treatment, foliar fungicide timing, and plant growth regulator on leaf-disease severity and productivity of barley. », XVIII International Plant Protection Congress (IPPC), Free University Berlin, Henry Ford Building, Berlin, Germany, August 24-27, 2015, ID: P IPM 42. (Affiche)
  • Turkington, T.K., Xi, K., Peng, G., Martin, R.A., Harker, K.N., O'Donovan, J.T., Beres, B.L., May, W.E., et Mohr, R.M. (2015). « The impact of seed treatment, foliar fungicide timing, and plant growth regulator on barley leaf disease severity and productivity. », Canadian Journal of Plant Pathology. (Résumé)

2014

  • O'Donovan, J.T., Blackshaw, R.E., Grant, C.A., Harker, K.N., Johnson, E.N., Gan, Y.T., Lafond, G.P., May, W.E., et Turkington, T.K. (2014). « Legume crops grown in rotation enhance canola and barley productivity in western Canada. », 13th Congress of European Society of Agronomy, Debrecen, Hungary, August 25-29, 2014, p. 357-358.
  • O'Donovan, J.T., Edney, M.J., MacLeod, A., Turkington, T.K., Grant, C.A., Harker, K.N., Johnson, E.N., Lafond, G.P., May, W.E., Beres, B.L., Kabeta, Y., et Juskiw, P.E. (2014). « Response of new malting barley cultivars to increasing nitrogen rates in western Canada. », 13th Congress of European Society of Agronomy, Debrecen, Hungary, August 25-29, 2014, p. 141-142. (Affiche)
  • O'Donovan, J.T., Grant, C.A., Blackshaw, R.E., Harker, K.N., Johnson, E.N., Gan, Y.T., May, W.E., Lafond, G.P., Turkington, T.K., Lupwayi, N.Z., Khakbazan, M., et Smith, E.G. (2014). « Rotational Effects of Legumes and Non-Legumes on Hybrid Canola, and Malting Barley. », American Society of Agronomy Annual Meeting 2014, Long Beach, CA, USA, November 3-5, 2014.

2013

  • Bassendowski, K.A., Lafond, G.P., May, W.E., Holzapfel, C.B., et Gossen, B.D. (2013). « Frequent cropping to field pea increases the severity of root and foliar diseases. », Canadian Journal of Plant Pathology, 35, p. 518. (Résumé)
  • O'Donovan, J.T., Grant, C.A., Blackshaw, R.E., Harker, K.N., Turkington, T.K., Johnson, E.N., Lafond, G.P., May, W.E., Gan, Y.T., Edney, M., et Juskiw, P.E. (2013). « Effect of legume crops grown two years prior to barley on malting barley yield and quality. », ASA/CSSA/SSSA International annual meeting: Water, Food, Energy and Innovation for a Sustainable World, Tampa, Florida, USA, November 3-6, 2013.
  • O'Donovan, J.T., Turkington, T.K., Edney, M., Juskiw, P.E., May, W.E., Grant, C.A., Smith, E.G., Harker, K.N., Johnson, E.N., Beres, B.L., Kadeta, Y., et Chapman, B. (2013). « Relative responses of malting barley varieties to increasing nitrogen rates. », 16th Australian Barley Technical Symposium, Melbourne, Australia, September 8-11, 2013, p. 58.
  • O'Donovan, J.T., Turkington, T.K., Edney, M., Smith, E.G., Harker, K.N., Beres, B.L., Clayton, G.W., Brandt, S.A., Johnson, E.N., Lafond, G.P., May, W.E., Grant, C.A., McKenzie, R., Juskiw, P.E., Kadeta, Y., Stonehouse, K., et Chapman, B. (2013). « Varietal and agronomic impacts on malting barley yield and quality. », FarmTech 2013, Westin Hotel, Edmonton, AB, Canada, January 29-31, 2013.

2011

  • Fernandez, M.R., May, W.E., Chalmers, S., Savard, M.E., et Singh, A.K. (2011). « Effectiveness of fungicide applications at various growth stages on head/kernel diseases, and productivity of durum wheat in southern Saskatchewan. », 7th Canadian Workshop on Fusarium Head Blight (CWFHB) / Colloque canadien sur la fusariose, Delta Winnipeg Hotel, Winnipeg, MB, Canada, November 27-30, 2011, p. 87.
  • O'Donovan, J.T., Blackshaw, R.E., Grant, C.A., Harker, K.N., Lafond, G.P., Johnson, E.N., Gan, Y.T., May, W.E., Turkington, T.K., et Lupwayi, N.Z. (2011). « Legume Crops to Improve Soil Fertility for Enhanced Canola Production. », 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011. (Affiche)

2010

  • Lafond, G.P., Brandt, S.A., Clayton, G.W., Irvine, R.B., et May, W.E. (2010). « Rainfed Farming Systems on the Canadian Prairies. », dans Tow, P., Cooper, I., Partridge, I. and Birch, C. (dir.) - Rainfed Farming Systems, Springer, Chapitre 19.
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