World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
61
Citations
11294
World Ranking
1169
National Ranking
45

Overview

What is he best known for?

The fields of study he is best known for:

  • Agronomy
  • Agriculture
  • Ecology

His main research concerns Agronomy, Weed control, Weed, Tillage and Crop rotation. Agronomy is represented through his Crop, Canola, Crop yield, Bromus tectorum and Field experiment research. The concepts of his Weed control study are interwoven with issues in Cover crop, Agroforestry, Fertilizer and Competition.

His Weed study combines topics in areas such as Cultivar, Sowing, Biomass, Descurainia sophia and Cropping system. Robert E. Blackshaw works mostly in the field of Tillage, limiting it down to topics relating to No-till farming and, in certain cases, Biomass, Plant density and Yield. His Crop rotation study combines topics from a wide range of disciplines, such as Field plot and Organic production.

His most cited work include:

  • Differential response of weed species to added nitrogen (220 citations)
  • Weed Dynamics and Management Strategies for Cropping Systems in the Northern Great Plains (193 citations)
  • Nitrogen fertilizer timing and application method affect weed growth and competition with spring wheat (125 citations)

What are the main themes of his work throughout his whole career to date?

Robert E. Blackshaw spends much of his time researching Agronomy, Weed control, Weed, Canola and Crop. Tillage, Crop yield, Brassica, Glyphosate and Crop rotation are the subjects of his Agronomy studies. His study in Tillage is interdisciplinary in nature, drawing from both Cover crop and Crop residue.

His work carried out in the field of Weed control brings together such families of science as Foxtail, Agroforestry, Avena fatua and Yield. His Weed research includes elements of Field experiment, Fertilizer, Competition, No-till farming and Poaceae. His study looks at the intersection of Canola and topics like Cultivar with Seeding.

He most often published in these fields:

  • Agronomy (88.79%)
  • Weed control (39.91%)
  • Weed (36.77%)

What were the highlights of his more recent work (between 2013-2021)?

  • Agronomy (88.79%)
  • Canola (29.60%)
  • Cover crop (13.00%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Agronomy, Canola, Cover crop, Crop and Crop rotation. Tillage, Sugar beet, Weed, Glyphosate and Crop yield are the core of his Agronomy study. His study in Weed is interdisciplinary in nature, drawing from both Perennial plant, Field experiment and Acetolactate synthase.

His Canola research includes themes of Residual nitrogen, Cropping, Glufosinate, Field pea and Brassica. In general Crop study, his work on Winter cereal often relates to the realm of Snow cover, thereby connecting several areas of interest. The various areas that he examines in his Crop rotation study include Silage, Soil conservation and Cropping system.

Between 2013 and 2021, his most popular works were:

  • Experimental Methods for Crop–Weed Competition Studies (69 citations)
  • Legumes can reduce economic optimum nitrogen rates and increase yields in a wheat–canola cropping sequence in western Canada (48 citations)
  • Rotational Effects of Legumes and Non-Legumes on Hybrid Canola and Malting Barley (42 citations)

In his most recent research, the most cited papers focused on:

  • Agronomy
  • Agriculture
  • Ecology

Robert E. Blackshaw mainly investigates Agronomy, Canola, Crop rotation, Green manure and Field pea. His research in Agronomy intersects with topics in Rhizosphere and Bulk soil. His Canola research integrates issues from Crop, Crop yield, Brassica, No-till farming and Rapeseed.

His Green manure research is multidisciplinary, incorporating perspectives in Legume and Fertilizer. His research investigates the connection between Fertilizer and topics such as Hordeum vulgare that intersect with issues in Soil classification. His Weed research focuses on subjects like Acetolactate synthase, which are linked to Pesticide toxicity, Pesticide and Environmental impact assessment.

Best Publications

  • Differential response of weed species to added nitrogen

    Robert E. Blackshaw;Randall N. Brandt;H. Henry Janzen;Toby Entz

  • Weed Dynamics and Management Strategies for Cropping Systems in the Northern Great Plains

    Doug A. Derksen;Randy L. Anderson;Robert E. Blackshaw;Bruce Maxwell

  • Experimental Methods for Crop–Weed Competition Studies

    Clarence J. Swanton;Roger Nkoa;Robert E. Blackshaw

  • Nitrogen fertilizer timing and application method affect weed growth and competition with spring wheat

    Robert E. Blackshaw;Louis J. Molnar;H. Henry Janzen

  • Cover crops and weed management.

    J. R. Teasdale;L. O. Brandsæter;A. Calegari;F. Skora Neto

  • Reduced herbicide doses in field crops: A review

    Robert E. Blackshaw;John T. O'donovan;K. Neil Harker;George W. Clayton

  • Nitrogen Fertilizer Rate Effects on Weed Competitiveness is Species Dependent

    Robert E. Blackshaw;Randall N. Brandt

  • Seeding rate, herbicide timing and competitive hybrids contribute to integrated weed management in canola (Brassica napus)

    K. N. Harker;G. W. Clayton;R. E. Blackshaw;J. T. O’Donovan

  • Yellow sweetclover, green manure, and its residues effectively suppress weeds during fallow

    Robert E. Blackshaw;James R. Moyer;Ray C. Doram;A. Lyle Boswell

  • Weed seed viability in composted beef cattle feedlot manure.

    Francis J. Larney;Robert E. Blackshaw

  • Differential competitive ability of winter wheat cultivars against downy brome

    Robert E. Blackshaw

  • Weed management in conservation tillage systems for wheat production in North and South America

    J.R. Moyer;E.S. Roman;C.W. Lindwall;R.E. Blackshaw

  • Fertilizer, manure and compost effects on weed growth and competition with winter wheat in western Canada

    R.E. Blackshaw;L.J. Molnar;F.J. Larney

  • Effect of ensiling and rumen digestion by cattle on weed seed viability

    Robert E. Blackshaw;Lyle M. Rode

  • Tillage intensity and crop rotation affect weed community dynamics in a winter wheat cropping system

    R. E. Blackshaw;F. J. Larney;C. W. Lindwall;P. R. Watson

  • Ongoing Development of Integrated Weed Management Systems on the Canadian Prairies

    Robert E. Blackshaw;K. Neil Harker;John T. O'Donovan;Hugh J. Beckie

  • Crop Rotation and Tillage Effects on Weed Populations on the Semi-Arid Canadian Prairies

    Unknown

  • Legumes can reduce economic optimum nitrogen rates and increase yields in a wheat–canola cropping sequence in western Canada

    Mervin St. Luce;Cynthia A. Grant;Bernie J. Zebarth;Noura Ziadi

  • Influence of wild radish on yield and quality of canola

    Robert E. Blackshaw;Deirdre Lemerle;Rodney Mailer;Ken R. Young

  • Fertilizer application method affects nitrogen uptake in weeds and wheat

    Robert E. Blackshaw;Gregory Semach;H. Henry Janzen

  • Integrated approaches to managing weeds in spring-sown crops in western Canada

    J.T. O’Donovan;R.E. Blackshaw;K.N. Harker;G.W. Clayton

Frequent Co-Authors

John T. O'Donovan
John T. O'Donovan Agriculture and Agriculture-Food Canada
K. Neil Harker
K. Neil Harker Agriculture and Agriculture-Food Canada
George W. Clayton
George W. Clayton Agriculture and Agriculture-Food Canada
Eric N. Johnson
Eric N. Johnson University of Saskatchewan
Newton Z. Lupwayi
Newton Z. Lupwayi Agriculture and Agriculture-Food Canada
Yantai Gan
Yantai Gan Agriculture and Agriculture-Food Canada
Francis J. Larney
Francis J. Larney Agriculture and Agriculture-Food Canada
Hugh J. Beckie
Hugh J. Beckie University of Western Australia
Cynthia A. Grant
Cynthia A. Grant Agriculture and Agriculture-Food Canada
William E. May
William E. May Agriculture and Agri-Food Canada

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