Harker, K. Neil, Ph.D.

Chercheur scientifique, écologie des mauvaises herbes et gestion des


Coordonnées :

6000 C and E Trail
Lacombe, (Alberta) T4L 1W1
Téléphone : 403-782-8134
Télécopieur : 403-782-6120
Courriel : neil.harker@agr.gc.ca

Domaines d'expertise :

  • Mise en place de systèmes écologiquement durables de lutte intégrée contre les mauvaises herbes
  • Biologie et concurrence des mauvaises herbes, et interactions entre les mauvaises herbes et les cultures
  • Systèmes intégrés de gestion des cultures appliqués à l'orge, au canola, aux pois et au blé
  • Interactions des mauvaises herbes, des insectes et des maladies dans les systèmes agronomiques
  • Herbicides

Projets en cours :

  • Application des systèmes intégrés de gestion des cultures au canola
  • Pratiques de gestion bénéfiques intégrées pour la production durable d'orge
  • Implications agronomiques, écologiques et économiques des cultures OGM
  • Systèmes agronomiques appliqués aux cultures de légumineuses à grains
  • Amélioration de l'efficacité de l'utilisation des intrants en vue d'obtenir un produit économique à haut rendement, d'améliorer la qualité de l'agroécosystème et d'atténuer les changements climatiques
  • Éliminer des barrières à la production de blé d'hiver

Affiliations :

  • Professeur auxiliaire, Département de la science de la nutrition et de l'alimentation, Université de l'Alberta
  • Weed Science Society of America
  • Société canadienne de malherbologie
  • Western Society of Weed Science

Publications de recherche :

Les liens ci-dessous mènent aux résumés avec accès au texte intégral.

2016

2015

2014

2013

2012

2011

2010

2009

Autres publications relatives à la science :

2015

  • Baron, V.S., Lemke, R.L., Young, D.G., Harker, K.N., O'Donovan, J.T., et Flesch, T.K. (2015). « Ecosystem carbon balance of field-scale canola and barley in central Alberta. », 14th International Rapeseed Congress, Saskatoon, SK, Canada, July 5-9, 2015, Theme D. (Affiche)
  • Carcamo, H.A., Otani, J.K., Harker, K.N., Reid, P., Broatch, J.S., Meers, S., Barkley, S., et Daniel, S. (2015). « Of lygus and canola: where is the threshold? », Entomological Society of Alberta Annual General Meeting, Jasper, AB, Canada, October 1-3, 2015.
  • Chatterton, S., Carcamo, H.A., Thomas, J.B., Meers, S., Harding, M.W., Harker, K.N., Vandenberg, A., Shirtliffe, S.J., Bowness, R.T., Reid, P., Broatch, J.S., Barkley, S., Syrovy, A., Kaur, S., Brar, P., et Bruhjell, D. (2015). « Reducing necrotic spots on faba beans: lygus, chocolate spot or both? », West Forum Pest Management, Abottsford, BC, Canada, October 21-23, 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)
  • Harker, K.N. (2015). « Canola weed management systems - mitigating weed resistance to herbicides. », 14th International Rapeseed Congress, Saskatoon, SK, Canada, July 5-9, 2015, Keynote theme oral presentation.
  • Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., Johnson, E.N., Pageau, D., Shirtliffe, S.J., Gulden, R.H., Rowsell, J., Hall, L.M., et Willenborg, C.J. (2015). « Cultural techniques for integrated wild oat management. », Canadian Weed Science Society Meeting, Edmonton, AB, Canada, November 23-26, 2015, Oral presentation. (Résumé)
  • Harker, K.N., O'Donovan, J.T., Turkington, T.K., Blackshaw, R.E., Lupwayi, N.Z., Smith, E.G., Johnson, E.N., Kutcher, H.R., Willenborg, C.J., Gan, Y.T., Dosdall, L.M., Hall, L.M., Peng, G., Irvine, R.B., et Mohr, R.M. (2015). « Sustainable canola production increases with cropping system diversity. », 14th International Rapeseed Congress, Saskatoon, SK, Canada, July 5-9, 2015. (Affiche)
  • Lay, C-Y., Bell, T., Hamel, C., Harker, K.N., Mohr, R.M., et St-Arnaud, M. (2015). « The effects of agricultural practices on the microbiome of the roots and rhizosphere of canola. », Canadian Society of Microbiologists Annual Conference, Regina, Saskatchewan, Canada, June 15-18, 2015. (Résumé)
  • Morrison, M.J., Blackshaw, R.E., O'Donovan, J.T., Harker, K.N., et Holzapfel, C.B. (2015). « Innovations underpinning yield improvements in the Canadian canola industry. », Crop Updates, Perth, Australia, February 24-25, 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)
  • Tidemann, B.D., Harker, K.N., et Hall, L.M. (2015). « The Potential for Harvest Weed Seed Control on the Canadian Prairies. », Western Society of Weed Science Annual Meeting, Portland, OR, USA, March 9-12, 2015, Oral presentation.
  • 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., Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., McAllister, T.A., et Lupwayi, N.Z. (2015). « The impact of barley variety rotation, mixtures, and intercropping on leaf disease and silage production. », Canadian Journal of Plant Pathology. (Résumé)
  • Turkington, T.K., Xi, K., Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., McAllister, T.A., et Lupwayi, N.Z. (2015). « The impact of barley variety rotation, mixtures, and intercropping on leaf disease and silage production. », XVIII International Plant Protection Congress (IPPC), Free University Berlin, Henry Ford Building, Berlin, Germany, August 24-27, 2015.
  • 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

  • Blackshaw, R.E., Harker, K.N., O'Donovan, J.T., Johnson, E.N., Gan, Y.T., et Peng, G. (2014). « How frequently can oilseed rape be grown in sustainable cropping systems. », 13th Congress of European Society of Agronomy, Debrecen, Hungary, August 25-29, 2014, Available online at http://www.esa2014.hu/news/post-conference-updates-8.html, p. 331-332. (Affiche)
  • Harker, K.N., O'Donovan, J.T., Turkington, T.K., Baron, V.S., Blackshaw, R.E., Hall, L.M., Johnson, E.N., Willenborg, C.J., Shirtliffe, S.J., Gulden, R.H., Kobler, J.F., et Pageau, D. (2014). « Delaying herbicide resistance with integrated wild oat (Avena fatua) management. », 2014 Weed Science Society of America (WSSA) and the Canadian Weed Science Society (CWSS) Annual Meeting, Vancouver, B.C., Canada, February 3-6, 2014. (Résumé)
  • Lupwayi, N.Z., Harker, K.N., Larney, F.J., Blackshaw, R.E., et O'Donovan, J.T. (2014). « Correlating soil microbial properties with crop yields in the Canadian prairies: two case studies. », Soil's Role in Restoring Ecosystem Services Conference, Sacramento, CA, USA, March 6-9, 2014. (Résumé)
  • 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.
  • O'Donovan, J.T., Harker, K.N., Turkington, T.K., Blackshaw, R.E., Beres, B.L., Clayton, G.W., Lafond, G.P., Lupwayi, N.Z., et Dosdall, L.M. (2014). « The role of agronomic research in meeting cropping system challenges in western Canada. », 2nd Canadian Wheat Symposium, Saskatoon, SK, Canada, June 8-11, 2014.
  • O'Donovan, J.T., Harker, K.N., Turkington, T.K., et Clayton, G.W. (2014). « Combining cultural practices with herbicides reduces wild oat seed in the soil seed bank and improves barley yield. », 2014 Weed Science Society of America (WSSA) and the Canadian Weed Science Society (CWSS) Annual Meeting, Vancouver, B.C., Canada, February 3-6, 2014. (Résumé)
  • Turkington, T.K., Xi, K., Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., McAllister, T.A., et Lupwayi, N.Z. (2014). « The impact of barley variety monoculture, rotation and mixtures, and intercropping on leaf disease and silage production. », 1st International Workshop on Barley Leaf Diseases, SalsomaggioreTerme, Italy, June 3-6, 2014, p. 73. (Résumé)
  • Turkington, T.K., Xi, K., Peng, G., Martin, R.A., Harker, K.N., et O'Donovan, J.T. (2014). « The impact of seed treatment, foliar fungicide, and variety resistance on barley leaf disease severity and productivity. », 1st International Workshop on Barley Leaf Diseases, SalsomaggioreTerme, Italy, June 3-6, 2014, Also in Canadian Journal of Plant Pathology (in press), p. 18. (Résumé)
  • Turkington, T.K., Xi, K., Peng, G., O'Donovan, J.T., et Harker, K.N. (2014). « An update on malt barley research at Lacombe. », Rahr Malting Canada Annual Grower Meeting, Alix, Alberta, Canada, February 6, 2014. (Présentation)

2013

  • 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., Harker, K.N., Turkington, T.K., Lafond, G.P., Lupwayi, N.Z., Blackshaw, R.E., Clayton, G.W., et Dosdall, L.M. (2013). « The Role of Agronomic Research in Meeting Current and Future Cropping System Challenges in Western Canada. », 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.

2012

  • Beaudoin, N., Sansoulet, J.B., Pattey, E., Grant, C.A., Blackshaw, R.E., Harker, K.N., Johnson, E.N., O'Donovan, J.T., et Gervois, S. (2012). « Adaptation de STICS à la culture de canola au Canada à partir du module colza en vue de simuler les émissions de N2O par ModuloSTICS. », IXe Séminaire du modèle de culture STICS, Sainte-Montaine, France, October 16-19, 2012. (Affiche)
  • Harker, K.N. et O'Donovan, J.T. (2012). « Canola after pulse crops. », Agronomy Update Conference 2012, Red Deer, AB, Canada, January 17-18, 2012, p. 9.
  • Harker, K.N., Willenborg, C.J., Gulden, R.H., Shirtliffe, S.J., et Hall, L.M. (2012). « Harvest losses in canola. », 52nd Annual Meeting of the Weed Science Society of America (WSSA), Waikoloa, HI, USA, February 6-9, 2012.

2011

  • Beckie, H.J., Harker, K.N., Hall, L.M., Holm, F.A., et Gulden, R.H. (2011). « Risk Assessment of Glyphosate Resistance in Western Canada. », 51st Meeting Weed Science Society of America, Hilton Portland & Executive Tower Hotel, Portland, OR, USA, February 7-10, 2011, pp. 64. (Présentation)
  • Blackshaw, R.E., Hao, X., Clayton, G.W., Harker, K.N., O'Donovan, J.T., Johnson, E.N., et Vera, C.L. (2011). « Canola response to polymer-coated urea versus urea in a four-year zero-tillage cropping system on the Canadian prairies. », 13th International Rapeseed Congress, Prague, Czech Republic, June 5-9, 2011, p. 61-64.
  • Blackshaw, R.E., Harker, K.N., et O'Donovan, J.T. (2011). « Polymer-coated urea compared with urea reduces N uptake by weeds. », Canadian Weed Science Society 65th Annual Meeting, Marriott Gateway on the Falls, Niagara Falls, ON, Canada, November 21-24, 2011, p. 65. (Affiche)
  • Grant, C.A., Zebarth, B.J., Malhi, S.S., Soon, Y.K., Selles, F., Lupwayi, N.Z., O'Donovan, J.T., Harker, K.N., et Clayton, G.W. (2011). « Changes in soil ammonium and nitrate concentration over the growing season in western Canada as affected by urea or controlled release urea application. », 12th International Symposium on Soil and Plant Analysis, Mediterranean Agronomic Institute of Chania, Crete, Greece, June 6-10, 2011.
  • Harker, K.N., Brandt, S.A., O'Donovan, J.T., Blackshaw, R.E., Johnson, E.N., et Kutcher, H.R. (2011). « The Impact of Two Years of Wild Oat Management After Four Years of Low Crop Inputs in Barley and Canola. », 51st Meeting Weed Science Society of America, Hilton Portland & Executive Tower Hotel, Portland, OR, USA, February 7-10, 2011, pp. 62. (Présentation)
  • Harker, K.N., Turkington, T.K., O'Donovan, J.T., Kutcher, H.R., et Johnson, E.N. (2011). « Barley Herbicide and Fungicide Tank-Mixtures? », Canadian Weed Science Society 65th Annual Meeting, Marriott Gateway on the Falls, Niagara Falls, ON, Canada, November 21-24, 2011, p. 46. (Résumé)
  • Harker, K.N., Turkington, T.K., O'Donovan, J.T., Kutcher, H.R., et Johnson, E.N. (2011). « Barley Herbicide and Fungicide Tank-Mixtures? », Canadian Weed Science Society 65th Annual Meeting, Marriott Gateway on the Falls, Niagara Falls, ON, Canada, November 24, 2011. (Présentation)
  • 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)
  • O'Donovan, J.T., Harker, K.N., et Blackshaw, R.E. (2011). « Implications of sub-economic threshold wild oat densities in a cereal/field pea rotation under no-till. », Canadian Weed Science Society 65th Annual Meeting, Marriott Gateway on the Falls, Niagara Falls, ON, Canada, November 21-24, 2011, p. 46. (Résumé)
  • Turkington, T.K., Kutcher, H.R., Xi, K., Harker, K.N., O'Donovan, J.T., et Johnson, E.N. (2011). « The impact of fungicide and herbicide timing on barley leaf disease severity, weed management and crop productivity. », The Western Producer, 101(6), p. S180. (Résumé)

2010

  • Blackshaw, R.E. et Harker, K.N. (2010). « Evolution of Effective and EconomicWeed Control. », dans Lindwall, C.W. and Sonntag, B. (dir.) - Landscapes Transformed: The History of Conservation Tillage and Direct Seeding, Knowledge Impact in Society, Canada, Chapitre 11, p. 141-148.
  • Blackshaw, R.E., Brandt, S.A., Johnson, E.N., Harker, K.N., O'Donovan, J.T., Turkington, T.K., et Kutcher, H.R. (2010). « Which crop inputs have the greatest impact on canola yield? », 2010 ASA-CSSA-SSSA International Annual Meeting, Long Beach Convention Center, Long Beach, CA, USA, October 31-November 4, 2010. (Résumé)
  • Blackshaw, R.E., Harker, K.N., O'Donovan, J.T., Johnson, E.N., Kutcher, H.R., et Hao, X. (2010). « ESN effects on canola establishment, weed competition and canola yield in a four-year study. », 2010 ASA-CSSA-SSSA International Annual Meeting, Long Beach Convention Center, Long Beach, CA, USA, October 31-November 4, 2010.
  • Hao, X., Li, C.L., Blackshaw, R.E., Harker, K.N., O'Donovan, J.T., et Clayton, G.W. (2010). « Nitrous oxide emissions from canola fields with ESN fertilizer application. », 2010 ASA-CSSA-SSSA International Annual Meeting, Long Beach Convention Center, Long Beach, CA, USA, October 31-November 4, 2010.
  • Hao, X., Li, C.L., Blackshaw, R.E., Harker, K.N., O'Donovan, J.T., et Clayton, G.W. (2010). « Response of residual soil available N level to polymer-coated urea (ESN) application in a canola-barley cropping system. », 2010 ASA-CSSA-SSSA International Annual Meeting, Long Beach Convention Center, Long Beach, CA, USA, October 31-November 4, 2010.
  • Li, C.L., Hao, X., Blackshaw, R.E., Harker, K.N., O'Donovan, J.T., et Clayton, G.W. (2010). « Nitrous oxide emissions from an acid soil in response to polymer-coated urea application and herbicide management in a canola-barley cropping system. », 2010 Joint Conference of the Canadian Society of Soil Science (CSSS) and the Canadian Society of Agronomy (CSA): Transfers & Transformations: Our Evolving Biosphere, University of Saskatchewan, Saskatoon, SK, Canada, June 20-24, 2010, p. 120.
  • Li, C.L., Hao, X., Harker, K.N., Blackshaw, R.E., Clayton, G.W., et O'Donovan, J.T. (2010). « Nitrous oxide emissions from a Black Chernozem soil in response to polymer-coated urea application and herbicide management in a canola-barley cropping system. », 47th Annual Alberta Soil Science Workshop, Lethbridge, AB, Canada, February 16-18, 2010, p. 21. (Atelier)

2009

  • Beres, B.L., Clayton, G.W., Harker, K.N., Blackshaw, R.E., Graf, R.J., Shaw, C., et Stanford, G. (2009). « Class Warfare: Crop Productivity and Weed Competitiveness of Winter and Spring Cereal Classes. », Canadian Triticale Biorefinery Initiative (CTBI) Annual Network Meeting, Summerland, BC, Canada, June 17-19, 2009. (Affiche)
  • Blackshaw, R.E. et Harker, K.N. (2009). « Feeding crops and not weeds with expensive fertilizer. », FarmTech 2009, Edmonton, AB, Canada, January 28-30, 2009, p. 44-46.
  • Blackshaw, R.E. et Harker, K.N. (2009). « Overcoming weed concerns in conservation tillage systems. », Landscapes Transformed: The quiet triumph of Conservation Tillage and Direct Seeding, Saskatoon Inn, Saskatoon, SK, Canada, March 24-25, 2009, p. 6.
  • Harker, K.N., Blackshaw, R.E., Beckie, H.J., et O'Donovan, J.T. (2009). « Weed invasions in western Canada cropping systems. », dans Inderjit, S. (dir.) - Management of Invasive Weeds. Series: Invading Nature - Springer Series in Invasion Ecology, Vol. 5, Springer, p. 151-156, Volume 5.
  • Harker, K.N., Brandt, S.A., Johnson, E.N., O'Donovan, J.T., Blackshaw, R.E., Turkington, T.K., et Kutcher, H.R. (2009). « Input reduction impacts on weeds and crops in barley (Hordeum vulgare) and canola (Brassica napus). », 49th Annual Meeting of the Weed Science Society of America (WSSA), Hilton in the Walt Disney World Resort, Orlando, FL, USA, February 9-13, 2009, Abstract #507, p. 1. (Résumé)
  • Harker, K.N., Brandt, S.A., O'Donovan, J.T., Blackshaw, R.E., Johnson, E.N., Turkington, T.K., Kutcher, H.R., et Clayton, G.W. (2009). « Wild oat populations after four years in a low-input barley-canola rotation. », Canadian Weed Science Society 63rd Annual Meeting, Delta Prince Edward, Charlottetown, PEI, Canada, November 24-26, 2009.
  • Li, C.L., Hao, X., Clayton, G.W., Blackshaw, R.E., O'Donovan, J.T., et Harker, K.N. (2009). « Nitrous oxide emissions in response to polymer-coated urea fertilizer application and herbicide management in a canola-barley crop system. », Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009, p. 56-57.
  • O'Donovan, J.T., Harker, K.N., Blackshaw, R.E., et Stougaard, R.N. (2009). « Crop production impacts of below-label herbicide rates. », 49th Annual Meeting of the Weed Science Society of America (WSSA), Hilton in the Walt Disney World Resort, Orlando, FL, USA, February 9-13, 2009, Abstract #298, p. 1. (Résumé)
  • Smith, E.G., Blackshaw, R.E., et Harker, K.N. (2009). « Early spring seeding canola more profitable and less risky. », Top Crop Manager (Western edition), 2009(February), p. 24-25.
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