World's Best Scientists 2026 revealed!
Donald L. Smith

Donald L. Smith

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Plant Science and Agronomy
Canada
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
88
Citations
28022
World Ranking
308
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2025 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2023 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2022 - Research.com Plant Science and Agronomy in Canada Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Agronomy
  • Agriculture

The scientist’s investigation covers issues in Agronomy, Botany, Bradyrhizobium japonicum, Poaceae and Cultivar. His research in Agronomy intersects with topics in Photosynthesis and Loam. His Botany research is multidisciplinary, incorporating perspectives in Symbiosis, Rhizosphere and Horticulture.

His studies deal with areas such as Nitrogen fixation, Bradyrhizobium, Genistein and Nod as well as Bradyrhizobium japonicum. His studies in Poaceae integrate themes in fields like Crop yield, Field experiment and Mycorrhiza. His studies deal with areas such as Zea mays and Plant production as well as Cultivar.

His most cited work include:

  • Intracellular and extracellular PGPR: commonalities and distinctions in the plant–bacterium signaling processes (569 citations)
  • Photosynthetic responses of corn and soybean to foliar application of salicylates. (417 citations)
  • Acquisition of Cu, Zn, Mn and Fe by mycorrhizal maize (Zea mays L.) grown in soil at different P and micronutrient levels (283 citations)

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

His primary areas of study are Agronomy, Botany, Poaceae, Cultivar and Horticulture. His Agronomy research integrates issues from Nitrogen fixation and Bradyrhizobium japonicum. His research integrates issues of Legume, Symbiosis, Rhizobacteria and Inoculation in his study of Nitrogen fixation.

His work carried out in the field of Botany brings together such families of science as Bacteria and Root nodule. His biological study deals with issues like Hybrid, which deal with fields such as Canopy and Population density. His work deals with themes such as Randomized block design, Loam, Plant protein and Sowing, which intersect with Cultivar.

He most often published in these fields:

  • Agronomy (58.69%)
  • Botany (26.50%)
  • Poaceae (18.80%)

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

  • Agronomy (58.69%)
  • Rhizobacteria (11.68%)
  • Rhizosphere (8.26%)

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

Donald L. Smith mostly deals with Agronomy, Rhizobacteria, Rhizosphere, Biotechnology and Agriculture. Donald L. Smith frequently studies issues relating to Nutrient and Agronomy. The various areas that he examines in his Rhizobacteria study include Shoot, Botany, Horticulture, Nitrogen fixation and Abiotic stress.

His research in Rhizosphere focuses on subjects like Microbiology, which are connected to Bacteria. His Agriculture study combines topics from a wide range of disciplines, such as Plant growth and Microbial inoculant. His Germination research is multidisciplinary, incorporating elements of Peat, Bacillus thuringiensis and Bradyrhizobium japonicum.

Between 2013 and 2021, his most popular works were:

  • Plant hormones and seed germination (273 citations)
  • Plant Growth-Promoting Rhizobacteria: Context, Mechanisms of Action, and Roadmap to Commercialization of Biostimulants for Sustainable Agriculture. (243 citations)
  • Plant Growth Promoting Rhizobacteria in Amelioration of Salinity Stress: A Systems Biology Perspective. (145 citations)

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

  • Botany
  • Agriculture
  • Ecology

His primary areas of investigation include Agronomy, Rhizobacteria, Biotechnology, Rhizosphere and Germination. The Agronomy study combines topics in areas such as Bradyrhizobium japonicum and Nutrient. His Bradyrhizobium japonicum research is multidisciplinary, incorporating perspectives in Legume, Cultivar, Bacterial growth, Plant physiology and Bacillus thuringiensis.

His biological study spans a wide range of topics, including Nitrogen fixation, Holobiont, Abiotic stress, Biomass and Microbial inoculant. His study in Rhizosphere is interdisciplinary in nature, drawing from both Inoculation and Microbiology. His Germination study results in a more complete grasp of Botany.

Best Publications

  • Plant Growth-Promoting Rhizobacteria: Context, Mechanisms of Action, and Roadmap to Commercialization of Biostimulants for Sustainable Agriculture.

    Rachel Backer;J. Stefan Rokem;Gayathri Ilangumaran;John Lamont

  • Intracellular and extracellular PGPR: commonalities and distinctions in the plant–bacterium signaling processes

    E.J. Gray;D.L. Smith

  • Photosynthetic responses of corn and soybean to foliar application of salicylates.

    Wajahatullah Khan;Balakrishnan Prithiviraj;Donald L. Smith

  • Plant hormones and seed germination

    Mohammad Miransari;D.L. Smith

  • Biomass for a sustainable bioeconomy: An overview of world biomass production and utilization

    Mohammed Antar;Dongmei Lyu;Mahtab Nazari;Ateeq Shah

  • Acquisition of Cu, Zn, Mn and Fe by mycorrhizal maize (Zea mays L.) grown in soil at different P and micronutrient levels

    A. Liu;C. Hamel;R. I. Hamilton;B. L. Ma

  • Plant Growth Promoting Rhizobacteria in Amelioration of Salinity Stress: A Systems Biology Perspective.

    Gayathri Ilangumaran;Donald L Smith

  • Advances in the implementation of the box-counting method of fractal dimension estimation

    K Foroutan-Pour;P Dutilleul;D.L Smith

  • Barriers associated with exercise and community access for individuals with stroke.

    James H. Rimmer;Edward Wang;Donald Smith

  • Enhanced Soybean Plant Growth Resulting from Coinoculation of Bacillus Strains with Bradyrhizobium japonicum

    Yuming Bai;Xiaomin Zhou;Donald L. Smith

  • The Roles of Plant Growth Promoting Microbes in Enhancing Plant Tolerance to Acidity and Alkalinity Stresses

    Levini A. Msimbira;Donald L. Smith

  • Isolation of plant-growth-promoting Bacillus strains from soybean root nodules

    Yuming Bai;Frederic D'Aoust;Donald L Smith;Brian T Driscoll

  • Canopy structure, light interception, and photosynthesis in maize

    D. W. Stewart;C. Costa;L. M. Dwyer;D. L. Smith

  • Chitosan and chitin oligomers increase phenylalanine ammonia-lyase and tyrosine ammonia-lyase activities in soybean leaves.

    Wajahatullah Khan;Balakrishnan Prithiviraj;Donald L. Smith

  • PGPR in Agriculture: A Sustainable Approach to Increasing Climate Change Resilience

    Ateeq Shah;Mahtab Nazari;Mohammad Antar;Levini A. Msimbira

  • Flavonoids in Agriculture: Chemistry and Roles in, Biotic and Abiotic Stress Responses, and Microbial Associations

    Ateeq Shah;Donald L. Smith

  • Estimation of future glucose concentrations with subject-specific recursive linear models.

    Meriyan Eren-Oruklu;Ali Cinar;Lauretta Quinn;Donald Smith

  • Plant Growth Promoting Rhizobacteria and Soybean (Glycine max (L.) Merr.) Nodulation and Nitrogen Fixation at Suboptimal Root Zone Temperatures

    Feng Zhang;Narjes Dashti;R.K. Hynes;Donald L. Smith

  • Effect of Foliar Application of Chitin and Chitosan Oligosaccharides on Photosynthesis of Maize and Soybean

    W.M. Khan;B. Prithiviraj;D.L. Smith

  • Plant growth promoting rhizobacteria accelerate nodulation and increase nitrogen fixation activity by field grown soybean [Glycine max (L.) Merr.] under short season conditions

    N. Dashti;F. Zhang;R. Hynes;D.L. Smith

  • INTER-RELATIONSHIPS OF APPLIED NITROGEN, SPAD, AND YIELD OF LEAFY AND NON-LEAFY MAIZE GENOTYPES

    Carlos Costa;Lianne M. Dwyer;Pierre Dutilleul;Doug W. Stewart

  • Intercropping corn with soybean, lupin and forages: yield component responses

    K Carruthers;B Prithiviraj;Q Fe;D Cloutier

  • From yogurt to yield: Potential applications of lactic acid bacteria in plant production

    John R. Lamont;Olivia Wilkins;Margaret Bywater-Ekegärd;Donald L. Smith

Frequent Co-Authors

Balakrishnan Prithiviraj
Balakrishnan Prithiviraj Dalhousie University
Lianne M. Dwyer
Lianne M. Dwyer Agriculture and Agriculture-Food Canada
Chandra A. Madramootoo
Chandra A. Madramootoo McGill University
Bao-Luo Ma
Bao-Luo Ma Agriculture and Agriculture-Food Canada
Trevor C. Charles
Trevor C. Charles University of Waterloo
Philippe Seguin
Philippe Seguin McGill University
Chantal Hamel
Chantal Hamel Agriculture and Agriculture-Food Canada
Shiv O. Prasher
Shiv O. Prasher McGill University
Diane E. Mather
Diane E. Mather University of Adelaide
Heidi Webber
Heidi Webber Leibniz Centre for Agricultural Landscape Research

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