World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
59
Citations
13232
World Ranking
1266
National Ranking
50

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Agriculture

James J. Germida mainly investigates Rhizosphere, Agronomy, Microbial population biology, Botany and Canola. His specific area of interest is Rhizosphere, where James J. Germida studies Rhizobacteria. The various areas that he examines in his Rhizobacteria study include Phosphorite, Bacilli, Microbial inoculant and Xanthomonas.

James J. Germida combines subjects such as Soil structure, Soil water, No-till farming and Organic matter with his study of Agronomy. James J. Germida has researched Botany in several fields, including Phytoremediation, Arbuscular mycorrhizal symbiosis and Mineralization. His Phytoremediation research incorporates elements of Environmental chemistry and Soil Pollutants.

His most cited work include:

  • Distribution of microbial biomass and its activity in different soil aggregate size classes as affected by cultivation (532 citations)
  • Phosphate-solubilizing rhizobacteria enhance the growth and yield but not phosphorus uptake of canola (Brassica napus L.) (505 citations)
  • Changes in microbial community composition and function during a polyaromatic hydrocarbon phytoremediation field trial (269 citations)

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

His main research concerns Agronomy, Botany, Rhizosphere, Soil water and Phytoremediation. James J. Germida interconnects Microbial population biology, Inoculation, Microbial inoculant and Colonization in the investigation of issues within Agronomy. In his study, Pseudomonas putida is inextricably linked to Pseudomonas, which falls within the broad field of Botany.

His research in Rhizosphere focuses on subjects like Brassica, which are connected to Genetically modified canola. His Soil water research includes elements of Biomass, Fertilizer, Nutrient and Growing season. His Phytoremediation study combines topics in areas such as Soil contamination, Bioremediation, Microorganism, Environmental remediation and Environmental chemistry.

He most often published in these fields:

  • Agronomy (37.98%)
  • Botany (34.88%)
  • Rhizosphere (24.81%)

What were the highlights of his more recent work (between 2016-2021)?

  • Botany (34.88%)
  • Agronomy (37.98%)
  • Rhizosphere (24.81%)

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

His primary scientific interests are in Botany, Agronomy, Rhizosphere, Microbiome and Horticulture. His studies in Botany integrate themes in fields like Environmental remediation, Acidobacteria, Gemmatimonadetes and Root microbiome. His Agronomy research is multidisciplinary, incorporating elements of Climate change and Microbial inoculant.

His biological study spans a wide range of topics, including Soil water, Community structure, Revegetation and Microbial population biology. The Soil water study combines topics in areas such as Agriculture, Organic matter and Arbuscular mycorrhizal. His Horticulture research is multidisciplinary, incorporating perspectives in Symbiosis and Abiotic stress.

Between 2016 and 2021, his most popular works were:

  • Bacterial Root Microbiome of Plants Growing in Oil Sands Reclamation Covers (34 citations)
  • Seed endosymbiosis: a vital relationship in providing prenatal care to plants1 (24 citations)
  • Endophytic root bacteria associated with the natural vegetation growing at the hydrocarbon-contaminated Bitumount Provincial Historic site. (19 citations)

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

  • Ecology
  • Botany
  • Agriculture

His primary areas of investigation include Botany, Rhizosphere, Acidobacteria, Root microbiome and Gemmatimonadetes. The concepts of his Botany study are interwoven with issues in Microorganism, Phytoremediation and Environmental remediation. His Rhizosphere study integrates concerns from other disciplines, such as Soil water, Agronomy and Microbial population biology.

His work deals with themes such as Organic matter, Total organic carbon, Rhizobiales, Community structure and Revegetation, which intersect with Soil water. His study in Microbial population biology is interdisciplinary in nature, drawing from both Burkholderiales and Dominance, Ecology, Land reclamation. His Acidobacteria study combines topics from a wide range of disciplines, such as Melilotus albus, Edaphic, Pantoea and Hordeum vulgare.

Best Publications

  • Phosphate-solubilizing rhizobacteria enhance the growth and yield but not phosphorus uptake of canola (Brassica napus L.)

    J. R. de Freitas;M. R. Banerjee;J. J. Germida

  • Distribution of microbial biomass and its activity in different soil aggregate size classes as affected by cultivation

    V.V.S.R. Gupta;J.J. Germida

  • Diversity of root-associated bacteria associated with field-grown canola (Brassica napus L.) and wheat (Triticum aestivum L.)

    James J. Germida;Steven D. Siciliano;J. Renato de Freitas;Arlette M. Seib

  • Changes in microbial community composition and function during a polyaromatic hydrocarbon phytoremediation field trial

    Steven D. Siciliano;James J. Germida;Kathy Banks;Charles W. Greer

  • Soil aggregation: Influence on microbial biomass and implications for biological processes

    Vadakattu V.S.R. Gupta;James J. Germida

  • No-till soil management increases microbial biomass and alters community profiles in soil aggregates

    B.L. Helgason;F.L. Walley;J.J. Germida

  • Mechanisms of phytoremediation: biochemical and ecological interactions between plants and bacteria

    S D Siciliano;J J Germida

  • Rethinking Crop Nutrition in Times of Modern Microbiology: Innovative Biofertilizer Technologies

    Eduardo K. Mitter;Micaela Tosi;Dasiel Obregón;Dasiel Obregón;Kari E. Dunfield

  • Taxonomic diversity of bacteria associated with the roots of modern, recent and ancient wheat cultivars

    J. J. Germida;S. D. Siciliano

  • Impact of genetically modified crops on soil- and plant-associated microbial communities.

    Kari E. Dunfield;James J. Germida

  • Factors affecting the oxidation of elemental sulfur in soils

    J. J. Germida;H. H. Janzen

  • Seasonal Changes in the Rhizosphere Microbial Communities Associated with Field-Grown Genetically Modified Canola (Brassica napus)

    Kari E. Dunfield;James J. Germida

  • Fungal and Bacterial Abundance in Long-Term No-Till and Intensive-Till Soils of the Northern Great Plains

    Bobbi L. Helgason;Fran L. Walley;James J. Germida

  • Taxonomic diversity of bacteria associated with the roots of field‐grown transgenic Brassica napus cv. Quest, compared to the non‐transgenic B. napus cv. Excel and B. rapa cv. Parkland

    S.D Siciliano;J.J Germida

  • Differences in the microbial communities associated with the roots of different cultivars of canola and wheat

    S D Siciliano;C M Theoret;J R de Freitas;P J Hucl

  • Fungal endophytes enhance wheat heat and drought tolerance in terms of grain yield and second‐generation seed viability

    M. Hubbard;J.J. Germida;V. Vujanovic

  • The arbuscular mycorrhizal symbiosis links N mineralization to plant demand.

    A. Atul-Nayyar;A. Atul-Nayyar;C. Hamel;C. Hamel;K. Hanson;J. Germida

  • Phytoremediation of organic contaminants in soil and groundwater.

    Thomas G. Reichenauer;James J. Germida

  • Diversity of bacterial communities in the rhizosphere and root interior of field‐grown genetically modified Brassica napus

    Kari E. Dunfield;James J. Germida

  • Bacteria associated with Glomus clarum spores influence mycorrhizal activity

    Lisette J.C Xavier;James J Germida

  • Assessment of Phytoremediation as an In-Situ Technique for Cleaning Oil-Contaminated Sites

    C. M. Frick;R. E. Farrell;J. J. Germida

Frequent Co-Authors

Steven D. Siciliano
Steven D. Siciliano University of Saskatchewan
Charles W. Greer
Charles W. Greer National Research Council Canada
Vadakattu V. S. R. Gupta
Vadakattu V. S. R. Gupta Commonwealth Scientific and Industrial Research Organisation
John V. Headley
John V. Headley Environment and Climate Change Canada
Kari E. Dunfield
Kari E. Dunfield University of Guelph
F.L. Walley
F.L. Walley University of Saskatchewan
Kerry M. Peru
Kerry M. Peru Environment and Climate Change Canada
Chantal Hamel
Chantal Hamel Agriculture and Agriculture-Food Canada
John R. Lawrence
John R. Lawrence Environment and Climate Change Canada
Pierre Hucl
Pierre Hucl University of Saskatchewan

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