Blackshaw, Robert, Ph.D.

• Publications de recherche
• Autres publications relatives à la science

Coordonnées :

5403 - 1 Avenue South
C.P. 3000
Lethbridge, (Alberta) T1J 4B1
Téléphone : 403-317-2268
Télécopieur : 403-382-3156
Courriel : robert.blackshaw@agr.gc.ca

Domaines d'expertise :

• biologie et écologie des mauvaises herbes
• lutte intégrée aux mauvaises herbes
• systèmes culturaux durables
• travail de conservation du sol
• cultures résistantes aux herbicides

Projets en cours :

• Pratiques de gestion bénéfiques pour le canola
• Systèmes intégrés de gestion des mauvaises herbes dans les cultures de haricots secs et de petits pois
• Fournir des connaissances sur la biologie des mauvaises herbes, la dynamique des populations et l'écologie des communautés comme base pour l'élaboration de stratégies de lutte intégrée ayant une incidence réduite sur l'environnement
• Élaboration de pratiques de gestion bénéfiques à long terme pour supprimer les mauvaises herbes dans les systèmes culturaux avec le moins d'incidence possible sur l'environnement
• Élaboration de stratégies qui augmentent la durabilité par la compréhension de l'interaction entre les facteurs limitant la productivité de l'écosystème
• Élaboration d'une technologie de télédétection pour cartographier les infestations de mauvaises herbes dans les cultures de légumineuses et de canola
• Gestion des légumineuses annuelles et bisannuelles pour l'optimisation des apports en azote, la conservation des sols et la suppression des mauvaises herbes

Affiliations :

• Professeur auxiliaire, Département de géographie, Université de Lethbridge
• Membre du comité consultatif, Lethbridge Community College

Publications de recherche :

2013 :

• Benefer, C.M., van Herk, W.G., Ellis, J.S., Blackshaw, R.E., Vernon, R.S., et Knight, M.E. (2013). « The molecular identification and genetic diversity of economically important wireworm species (Coleoptera: Elateridae) in Canada. », Journal of Pest Science, 86(1), p. 19-27. doi : 10.1007/s10340-012-0454-x
• Lupwayi, N.Z. et Blackshaw, R.E. (2013). « Soil microbial properties in Bt (Bacillus thuringiensis) corn cropping systems. », Applied Soil Ecology, 63, p. 127-133. doi : 10.1016/j.apsoil.2012.09.005

2012 :

• Dosdall, L.M., Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., Kutcher, H.R., Gan, Y.T., et Johnson, E.N. (2012). « Crop Sequence Effects on Root Maggot (Diptera: Anthomyiidae: Delia spp.) Infestations in Canola. », Journal of Economic Entomology, 105(4), p. 1261-1267. doi : 10.1603/EC11440
• Hao, X., Indraratne, S.P., et Blackshaw, R.E. (2012). « Les cultures génétiquement modifiées affecteront-elles les réserves de carbone du sol? », Canadian Journal of Soil Science, 92(6), p. 841-844. doi : 10.4141/CJSS2011-072
• Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., Beckie, H.J., Mallory-Smith, C., et Maxwell, B.D. (2012). « Our view. », Weed Science, 60(2), p. 143-144. doi : 10.1614/WS-D-11-00177.1
• Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., Johnson, E.N., Lafond, G.P., et May, W.E. (2012). « Incidence de la profondeur et de la rapidité des semis sur la levée, la maturité, le rendement et la qualité des graines du canola cultivé sans travail du sol. », Canadian Journal of Plant Science, 92(4), p. 795-802. doi : 10.4141/CJPS2011-189
• Harker, K.N., O'Donovan, J.T., Turkington, T.K., Blackshaw, R.E., Lupwayi, N.Z., Smith, E.G., Klein-Gebbinck, H.W., Dosdall, L.M., Hall, L.M., Willenborg, C.J., Kutcher, H.R., Malhi, S.S., Vera, C.L., Gan, Y.T., Lafond, G.P., May, W.E., Grant, C.A., et McLaren, D.L. (2012). « La production de canola à haut rendement sans travail du sol dans les Prairies canadiennes. », Canadian Journal of Plant Science, 92(2), p. 221-233. doi : 10.4141/CJPS2011-125
• Li, C.L., Hao, X., Blackshaw, R.E., O'Donovan, J.T., Harker, K.N., et Clayton, G.W. (2012). « Nitrous oxide emissions in response to ESN and urea, herbicide management and canola cultivar in a no-till cropping system. », Soil & Tillage Research, 118, p. 97-106. doi : 10.1016/j.still.2011.10.017
• Lupwayi, N.Z. et Blackshaw, R.E. (2012). « Soil microbiology in Glyphosate-Resistant corn cropping systems. », Agronomy Journal, 104(4), p. 1041-1048. doi : 10.2134/agronj2012.0054

2011 :

• Blackshaw, R.E., Hao, X., Brandt, R.N., Clayton, G.W., Harker, K.N., O'Donovan, J.T., Johnson, E.N., et Vera, C.L. (2011). « Canola response to ESN and urea in a four-year no-till cropping system. », Agronomy Journal, 103(1), p. 92-99. doi : 10.2134/agronj2010.0299
• Blackshaw, R.E., Hao, X., Harker, K.N., O'Donovan, J.T., Johnson, E.N., et Vera, C.L. (2011). « Barley productivity response to polymer-coated urea in a no-till production system. », Agronomy Journal, 103(4), p. 1100-1105. doi : 10.2134/agronj2010.0494
• Blackshaw, R.E., Johnson, E.N., Gan, Y.T., May, W.E., McAndrew, D.W., Barthet, V., McDonald, T., et Wispinski, D. (2011). « Oléagineux de remplacement pour la production de biodiesel dans les prairies canadiennes. », Canadian Journal of Plant Science, 91(5), p. 889-896. doi : 10.4141/cjps2011-002
• Harker, K.N., O'Donovan, J.T., Blackshaw, R.E., Johnson, E.N., Holm, F.A., et Clayton, G.W. (2011). « Environmental effects on the relative competitive ability of canola and small-grain cereals in a direct-seeded system. », Weed Science, 59(3), p. 404-415. doi : 10.1614/WS-D-10-00121.1
• Ma, B.-L., Blackshaw, R.E., Roy, J., et He, T. (2011). « Investigation on gene transfer from genetically modified corn (Zea mays L.) plants to soil bacteria. », Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes, 46(7), p. 590-599. doi : 10.1080/03601234.2011.586598

2010 :

• Beres, B.L., Clayton, G.W., Harker, K.N., Stevenson, F.C., Blackshaw, R.E., et Graf, R.J. (2010). « A Sustainable Management Package to Improve Winter Wheat Production and Competition with Weeds. », Agronomy Journal, 102(2), p. 649-657. doi : 10.2134/agronj2009.0336
• Beres, B.L., Harker, K.N., Clayton, G.W., Bremer, E., Blackshaw, R.E., et Graf, R.J. (2010). « Weed-Competitive Ability of Spring and Winter Cereals in the Northern Great Plains. », Weed Technology, 24(2), p. 108-116. doi : 10.1614/WT-D-09-00036.1
• Beres, B.L., Harker, K.N., Clayton, G.W., Bremer, E., O'Donovan, J.T., Blackshaw, R.E., et Smith, A.M. (2010). « Influence de la méthode d’application des engrais N sur la croissance des adventices, le rendement grainier et la teneur en protéines du grain chez le blé d’hiver cultivé sans travail du sol. », Canadian Journal of Plant Science, 90(5), p. 637-644. doi : 10.4141/CJPS10037
• Blackshaw, R.E. et Brandt, R.N. (2010). « Nitrogen Fertilizer Rate Effects on Weed Competitiveness is Species Dependent. », Weed Science, 56(5), p. 743-747. doi : 10.1614/WS-08-065.1
• Blackshaw, R.E., Molnar, L.J., et Moyer, J.R. (2010). « Sweet Clover Termination Effects on Weeds, Soil Water, Soil Nitrogen, and Succeeding Wheat Yield. », Agronomy Journal, 102(2), p. 634-641. doi : 10.2134/agronj2009.0307
• Blackshaw, R.E., Molnar, L.J., et Moyer, J.R. (2010). « Utilité d’une culture intercalaire de blé d’hiver doublée d’une culture abri de légumineuse dans la zone mi-aride des Prairies canadiennes. », Canadian Journal of Plant Science, 90(4), p. 479-488. doi : 10.4141/CJPS10006
• Bourassa, S., Cárcamo, H.A., Spence, J.R., Blackshaw, R.E., et Floate, K.D. (2010). « Effects of Crop Rotation and Genetically Modified Herbicide-Tolerant Corn on Ground Beetle Diversity, Community Structure, and Activity Density. », Canadian Entomologist, 142(2), p. 143-159. doi : 10.4039/n09-017
• Smith, E.G., Favret, M.L., Clayton, G.W., Blackshaw, R.E., Brandt, S.A., Johnson, E.N., Harker, K.N., O'Donovan, J.T., Kutcher, H.R., et Vera, C.L. (2010). « The profitability of seeding the F₂ generation of hybrid canola. », Agronomy Journal, 102(2), p. 598-605. doi : 10.2134/agronj2009.0101
• Zhu, B., Ma, B.-L., et Blackshaw, R.E. (2010). « Development of real time PCR assays for detection and quantification of transgene DNA of a Bacillus thuringiensis (Bt) corn hybrid in soil samples. », Transgenic Research, 19(5), p. 765-774. doi : 10.1007/s11248-009-9353-1

2009 :

• Blackshaw, R.E. et Brandt, R.N. (2009). « Phosphorus fertilizer effects on the competition between wheat and several weed species. », Weed Biology and Management, 9(1), p. 46-53. doi : 10.1111/j.1445-6664.2008.00317.x
• Blackshaw, R.E. et Molnar, L.J. (2009). « Phosphorus fertilizer application method affects weed growth and competition with wheat. », Weed Science, 57(3), p. 311-318. doi : 10.1614/WS-08-173.1
• Clayton, G.W., Brandt, S.A., Johnson, E.N., O'Donovan, J.T., Harker, K.N., Blackshaw, R.E., Smith, E.G., Kutcher, H.R., Vera, C.L., et Hartman, M. (2009). « Comparison of certified and farm-saved seed on yield and quality characteristics of canola. », Agronomy Journal, 101(6), p. 1581-1588. doi : 10.2134/agronj2009.0108
• Harker, K.N. et Blackshaw, R.E. (2009). « Integrated Cropping Systems for Weed Management. », Prairie Soils and Crops, 2:8.
• Khan, M.A., Blackshaw, R.E., et Marwat, K.B. (2009). « Biology of milk thistle (Silybum marianum) and the management options for growers in north-western Pakistan. », Weed Biology and Management, 9(2), p. 99-105. doi : 10.1111/j.1445-6664.2009.00326.x
• Lupwayi, N.Z., Harker, K.N., Clayton, G.W., O'Donovan, J.T., et Blackshaw, R.E. (2009). « Soil microbial response to herbicides applied to glyphosate-resistant canola. », Agriculture, Ecosystems and Environment, 129(1-3), p. 171-176. doi : 10.1016/j.agee.2008.08.007
• Lupwayi, N.Z., Harker, K.N., Dosdall, L.M., Turkington, T.K., Blackshaw, R.E., O'Donovan, J.T., Cárcamo, H.A., Otani, J.K., et Clayton, G.W. (2009). « Changes in functional structure of soil bacterial communities due to fungicide and insecticide applications in canola. », Agriculture, Ecosystems and Environment, 130(3-4), p. 109-114. doi : 10.1016/j.agee.2008.12.002
• Moyer, J.R. et Blackshaw, R.E. (2009). « Ensemencement de cultures-abris à l’automne après culture du haricot et de la pomme de terre dans le sud de l’Alberta. », Canadian Journal of Plant Science, 89(1), p. 133-139. doi : 10.4141/CJPS08038
• Song, X., Munns, K., Qiang, S., Blackshaw, R.E., et Sharma, R. (2009). « Detection and quantification of 5 enolpyruvylshikimate-3-phosphate synthase (cp4 epsps ) upon Brassica napus × Brassica juncea outcrossing using real-time PCR. », European Food Research and Technology, 228(6), p. 939-944. doi : 10.1007/s00217-009-1008-1

Autres publications relatives à la science :

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)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., Regitnig, P.J., et Balasubramanian, P.M. (2012). « Irrigated crop rotation research: Findings from the Vauxhall rotation study over 12 years (2000-11). », 2012 Irrigated Crop Production Update Conference, Lethbridge, AB, Canada, January 31-February 1, 2012. (Résumé)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., et Regitnig, P.J. (2012). « Building soil quality on irrigated rotations in southern Alberta. », 49th Annual Alberta Soil Science Workshop, Ramada Inn, Edmonton, AB, Canada, February 14-16, 2012. (Résumé)
• Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Kawchuk, L.M., Pearson, D.C., Blackshaw, R.E., et Gan, Y.T. (2012). « Preceding crop, rotation length and soil management effects on bacterial endophytes. », 49th Annual Alberta Soil Science Workshop, Ramada Inn, Edmonton, AB, Canada, February 14-16, 2012. (Résumé)

2011 :

• Blackshaw, R.E. (2011). « Including cover crops in prairie no-till systems. », 23rd Annual Conference of the Saskatchewan Soil Conservation Association (SSCA), Saskatoon Inn, Saskatoon, SK, Canada, January 13, 2011, p. 3.
• Blackshaw, R.E. (2011). « Integrated Cropping Practices Reduce the Risk of Resistance Development. », 51st Meeting Weed Science Society of America, Hilton Portland & Executive Tower Hotel, Portland, OR, USA, February 7-10, 2011. (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)
• Blackshaw, R.E., Molnar, L.J., et Moyer, J.R. (2011). « Weed Suppression and Soil Nitrogen Benefits Associated with Legume Cover Crop-Winter Wheat Intercrops. », 51st Meeting Weed Science Society of America, Hilton Portland & Executive Tower Hotel, Portland, OR, USA, February 7-10, 2011. (Présentation)
• 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)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., Regitnig, P.J., et Balasubramanian, P.M. (2011). « Dry bean performance in the Vauxhall irrigated rotation study over 12 growing seasons (2000-11). », Pulse Science Cluster Scientific Meeting, Saskatoon, SK, Canada, November 17-18, 2011. (Résumé)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., et Regitnig, P.J. (2011). « A soil conservation package for irrigated rotations in southern Alberta. », 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011. (Résumé)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., et Regitnig, P.J. (2011). « Potato performance in the Vauxhall irrigated rotation study over 12 growing seasons (2000-11). », 2011 Annual Meeting of Potato Growers of Alberta, Calgary, AB, Canada, November 15-18, 2011. (Résumé)
• Lovell, A. et Blackshaw, R.E. (2011). « Slow release N a good fit in wet areas. », Grain News, 37(2), p. 6.
• 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)
• Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Kawchuk, L.M., Pearson, D.C., Blackshaw, R.E., et Gan, Y.T. (2011). « Preceding crop, rotation length and soil management effects on bacterial endophytes. », Pulse Science Cluster Scientific Meeting, Saskatoon, SK, Canada, November 17-18, 2011. (Résumé)
• Pageni, B.B., Lupwayi, N.Z., Larney, F.J., Pearson, D.C., et Blackshaw, R.E. (2011). « Soil microbial biomass and diversity in irrigated crop systems. », 2011 Soils and Crops Workshop, Prairieland Park, Saskatoon, SK, Canada, March 15-16, 2011. (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.
• Indraratne, S.P., Hao, X., et Blackshaw, R.E. (2010). « Transgenic crops and their impact on nutrient availability, metal status and isotope signature in soils. », 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. 106.
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., Regitnig, P.J., et Balasubramanian, P.M. (2010). « Wide-row vs.na rrow-row production of dry beans in the Vauxhall irrigated rotation study. », 8th Canadian Pulse Research Workshop, Calgary, AB, Canada, November 3-5, 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 :

• Barker, B., Johnson, E.N., et Blackshaw, R.E. (2009). « An innovative approach to innovative chemistry. », Top Crop Manager (Western edition), 2009(November), p. 48-49.
• Beckie, H.J., Johnson, E.N., Blackshaw, R.E., et Gan, Y.T. (2009). « Weed suppression by canola and mustard cultivars. », 8th European Weed Research Society (EWRS) Workshop on Physical and Cultural Weed Control, Zaragoza, Spain, March 9-11, 2009, p. 2. (Résumé)
• 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. (2009). « Blending technology in biological systems: weed control. », 16th Annual Southern Ag Advantage Conference and Tradeshow, Lethbridge Lodge Hotel & Conference Center, Lethbridge, AB, Canada, December 1-2, 2009, p. 17.
• Blackshaw, R.E. (2009). « Potential for green manure crops in prairie cropping systems. », Agronomy Update Conference 2009, Lethbridge, AB, Canada, January 20-21, 2009, p. 45-49.
• Blackshaw, R.E. et Brandt, R.N. (2009). « Predicting N and P fertilizer effects on weed competitiveness with wheat. », 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 #80, p. 1. (Résumé)
• Blackshaw, R.E. et Brandt, R.N. (2009). « Predicting N and P fertilizer effects on weed species competitiveness with wheat. », FarmTech 2009, Edmonton, AB, Canada, January 28-30, 2009, p. 137. (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.
• Blackshaw, R.E. et Moyer, J.R. (2009). « Effect of sweetclover cultivars and management practices on weed control and wheat yield. », FarmTech 2009, Edmonton, AB, Canada, January 28-30, 2009, p. 137.
• Blackshaw, R.E. et Postman, B. (2009). « Weed seedbank response to seven continuous years of Roundup Ready corn. », Canadian Weed Science Society 63rd Annual Meeting, Delta Prince Edward, Charlottetown, PEI, Canada, November 24-26, 2009, p. 1. (Affiche)
• 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.
• Johnson, E.N., Blackshaw, R.E., Holm, F.A., et Sapsford, K.L. (2009). « Broad-spectrum weed control in pulse crops with saflufenacil and sulfentrazone. », Canadian Weed Science Society 63rd Annual Meeting, Delta Prince Edward, Charlottetown, PEI, Canada, November 24-26, 2009, p. 1. (Affiche)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., Regitnig, P.J., et Dill, G.H. (2009). « Sustainable soil management practices for potatoes, dry beans, sugarbeet and wheat on an irrigated rotation study. », 18th Triennial Conference of International Soil Tillage Research Organization (ISTRO), Izmir, Turkey, July 15-19, 2009, Paper No. T1-012, [CD-ROM], p. 7.
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., et Regitnig, P.J. (2009). « Sustainable potato rotations. McCains Grower Meeting. », McCains Grower Meeting, Canada, March 2, 2009. (Présentation)
• Larney, F.J., Pearson, D.C., Blackshaw, R.E., Lupwayi, N.Z., et Regitnig, P.J. (2009). « The Vauxhall irrigated rotation study: potato yields after 10 years. », 2009 Annual Meeting of Potato Growers of Alberta, Kananaskis, AB, Canada, November 17-19, 2009, p. 1. (Affiche)
• Li, C., Hao, X., Clayton, G.W., Blackshaw, R.E., O'Donovan, J.T., et Harker, N. (2009). « Nitrous oxide emissions in response to polymer-coated urea fertilizer application and herbicide management in canola-barley crop production. », 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. 1. (Affiche)
• 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.