Robert H. Gulden

Robert H. Gulden publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Robert H. Gulden sits on this spectrum.

Robert H. Gulden D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Robert H. Gulden sits on this spectrum.

Best Publications

• Cycling of extracellular DNA in the soil environment

  David J. Levy-Booth;Rachel G. Campbell;Robert H. Gulden;Miranda M. Hart

  573
  Citations

• Harvest losses of canola (Brassica napus) cause large seedbank inputs

  Robert H. Gulden;Steven J. Shirtliffe;A. Gordon Thomas

  208
  Citations

• Crop yield and soil nutrient status on 14 organic farms in the eastern portion of the northern Great Plains.

  M. H. Entz;R. Guilford;R. Gulden

  196
  Citations

• Secondary seed dormancy prolongs persistence of volunteer canola in western Canada

  Robert H. Gulden;Steven J. Shirtliffe;A. Gordon Thomas

  145
  Citations

• Germination characteristics of polymer-coated canola (Brassica napus L.) seeds subjected to moisture stress at different temperatures

  Christian J. Willenborg;Robert H. Gulden;Eric N. Johnson;Steven J. Shirtliffe

  138
  Citations

• Modulation of embryo-forming capacity in culture through the expression of Brassica genes involved in the regulation of the shoot apical meristem

  Mohamed Elhiti;Muhammad Tahir;Robert H. Gulden;Khalil Khamiss

  129
  Citations

• Integrated Weed Management: Knowledge-Based Weed Management Systems

  Clarence J. Swanton;Kris J. Mahoney;Kevin Chandler;Robert H. Gulden

  116
  Citations

• Relative contribution of genotype, seed size and environment to secondary seed dormancy potential in Canadian spring oilseed rape (Brassica napus)

  R H Gulden;A G Thomas;S J Shirtliffe

  98
  Citations

• Secondary dormancy, temperature, and burial depth regulate seedbank dynamics in canola

  Robert H. Gulden;A. Gordon Thomas;Steven J. Shirtliffe

  90
  Citations

• Separating the effect of crop from herbicide on soil microbial communities in glyphosate-resistant corn

  Miranda M. Hart;Jeff R. Powell;Robert H. Gulden;Kari E. Dunfield

  87
  Citations

• Extraction of subsoil nitrogen by Alfalfa, Alfalfa-Wheat, and perennial grass systems

  Martin H. Entz;W. John Bullied;David A. Forster;Robert Gulden

  87
  Citations

• Effects of genetically modified, herbicide-tolerant crops and their management on soil food web properties and crop litter decomposition

  Jeff R. Powell;David J. Levy-Booth;Robert H. Gulden;Wendy L. Asbil

  85
  Citations

• Effect of glyphosate on the tripartite symbiosis formed by Glomus intraradices, Bradyrhizobium japonicum, and genetically modified soybean

  Jeff R. Powell;Rachel G. Campbell;Kari E. Dunfield;Robert H. Gulden

  75
  Citations

• Penicillium bilaii inoculation increases root-hair production in field pea

  Robert H. Gulden;J. Kevin Vessey

  71
  Citations

• Blade Roller–Green Manure Interactions on Nitrogen Dynamics, Weeds, and Organic Wheat

  Iris Vaisman;Martin H. Entz;Don N. Flaten;Robert H. Gulden

  67
  Citations

• Mycorrhizal and Rhizobial Colonization of Genetically Modified and Conventional Soybeans

  Jeff R. Powell;Robert H. Gulden;Miranda M. Hart;Rachel G. Campbell

  63
  Citations

• The stimulating effect of ammonium on nodulation in Pisum sativum L. is not long lived once ammonium supply is discontinued

  Robert H. Gulden;J. Kevin Vessey

  61
  Citations

• Potential Yield Loss in Dry Bean Crops Due to Weeds in the United States and Canada

  Nader Soltani;J. Anita Dille;Robert H. Gulden;Christy L. Sprague

  51
  Citations

• The Biology of Canadian Weeds. 137. Brassica napus L. and B. rapa L

  R. H. Gulden;S. I. Warwick;A. G. Thomas

  47
  Citations

• Selecting Cover Crop Mulches for Organic Rotational No-Till Systems in Manitoba, Canada

  Caroline Halde;Robert H. Gulden;Martin H. Entz

  42
  Citations

• Quantitation of transgenic plant DNA in leachate water: real-time polymerase chain reaction analysis.

  Robert H. Gulden;Sylvain Lerat;Miranda M. Hart;Jeff R. Powell

  37
  Citations

• Genetic diversity of feral alfalfa (Medicago sativa L.) populations occurring in Manitoba, Canada and comparison with alfalfa cultivars: an analysis using SSR markers and phenotypic traits

  M. V. Bagavathiannan;B. Julier;P. Barre;R. H. Gulden

  37
  Citations

• A Rationale for Atrazine Stewardship in Corn

  Clarence J. Swanton;Robert H. Gulden;Kevin Chandler

  34
  Citations

• Low concentrations of ammonium inhibit specific nodulation (nodule number g-1 root DW) in soybean (Glycine max [L.] Merr.)

  Robert H. Gulden;J. Kevin Vessey

  33
  Citations

• Canola seed yield and phenological responses to plant density

  Gan Yantai;K. Neil Harker;H. Randy Kutcher;Robert H. Gulden

  33
  Citations