World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
44
Citations
10783
World Ranking
2948
National Ranking
730

R. Ford Denison 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 R. Ford Denison sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 103 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

R. Ford Denison 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 R. Ford Denison sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 44 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Agriculture
  • Botany

His primary areas of investigation include Rhizobia, Mutualism, Ecology, Symbiosis and Agronomy. His study looks at the intersection of Rhizobia and topics like Cheating with Kin selection, Tragedy of the commons, Rhizosphere and Root nodule. In the field of Ecology, his study on Soil water and Experimental evolution overlaps with subjects such as Indeterminate growth and Carbon sequestration.

R. Ford Denison regularly ties together related areas like Nitrogen fixation in his Symbiosis studies. The study incorporates disciplines such as Rhizobiaceae and Botany in addition to Nitrogen fixation. His work on Legume and Manure as part of general Agronomy study is frequently linked to Kaempferol, bridging the gap between disciplines.

His most cited work include:

  • Host sanctions and the legume–rhizobium mutualism (678 citations)
  • The relationship between carbon input, aggregation, and soil organic carbon stabilization in sustainable cropping systems (501 citations)
  • Application of Real-Time PCR To Study Effects of Ammonium on Population Size of Ammonia-Oxidizing Bacteria in Soil (361 citations)

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

R. Ford Denison spends much of his time researching Rhizobia, Ecology, Agronomy, Botany and Symbiosis. His study in Rhizobia is interdisciplinary in nature, drawing from both Mutualism, Legume and Host. R. Ford Denison frequently studies issues relating to Selection and Ecology.

His work in the fields of Agronomy, such as Cover crop, Forage and Crop, overlaps with other areas such as Shading. His biological study spans a wide range of topics, including Sinorhizobium meliloti and Root nodule. His Nitrogen fixation research incorporates themes from Rhizobiaceae and Rhizobium.

He most often published in these fields:

  • Rhizobia (38.36%)
  • Ecology (32.88%)
  • Agronomy (31.51%)

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

  • Agriculture (17.81%)
  • Rhizobia (38.36%)
  • Crop yield (10.96%)

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

The scientist’s investigation covers issues in Agriculture, Rhizobia, Crop yield, Ecology and Agronomy. His Agriculture research focuses on subjects like Selection, which are linked to Natural resource economics. His research investigates the connection with Rhizobia and areas like Root nodule which intersect with concerns in Legume.

His Legume study integrates concerns from other disciplines, such as Symbiosis, Fixation and Life history. His work in the fields of Acacia, ANT and Herbivore overlaps with other areas such as Provisioning and Myrmecophyte. His Forage and Perennial plant study, which is part of a larger body of work in Agronomy, is frequently linked to Metre and Flag, bridging the gap between disciplines.

Between 2013 and 2021, his most popular works were:

  • Applying evolutionary biology to address global challenges. (161 citations)
  • Neither crop genetics nor crop management can be optimised. (23 citations)
  • Evolutionary tradeoffs as opportunities to improve yield potential (18 citations)

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

  • Ecology
  • Agriculture
  • Botany

R. Ford Denison mostly deals with Selection, Crop yield, Ecology, Natural resource economics and Natural selection. His study in Agriculture extends to Selection with its themes. His studies deal with areas such as Rhizobia, Genetic Fitness, Tragedy of the commons and Inclusive fitness as well as Agriculture.

His work carried out in the field of Crop yield brings together such families of science as Cover crop, Cropping, Sustainable agriculture and Crop rotation. His Agroforestry research extends to the thematically linked field of Ecology. His Natural resource economics study combines topics from a wide range of disciplines, such as Yield, Kin recognition, Biotechnology, Domestication and Adaptation.

Best Publications

  • Host sanctions and the legume–rhizobium mutualism

    E. Toby Kiers;Robert A. Rousseau;Stuart A. West;R. Ford Denison

  • The relationship between carbon input, aggregation, and soil organic carbon stabilization in sustainable cropping systems

    Angela Y. Y. Kong;Johan Six;Dennis C. Bryant;R. Ford Denison

  • Application of real-time PCR to study effects of ammonium on population size of ammonia-oxidizing bacteria in soil.

    Yutaka Okano;Krassimira R. Hristova;Christian M. Leutenegger;Louise E. Jackson

  • Ten-year comparison of the influence of organic and conventional crop management practices on the content of flavonoids in tomatoes.

    Alyson E. Mitchell;Yun Jeong Hong;Eunmi Koh;Diane M. Barrett

  • Sanctions and mutualism stability: why do rhizobia fix nitrogen?

    Stuart A West;E Toby Kiers;Ellen L Simms;R Ford Denison

  • Legume Sanctions and the Evolution of Symbiotic Cooperation by Rhizobia

    Unknown

  • Sanctions, Cooperation, and the Stability of Plant-Rhizosphere Mutualisms

    E. Toby Kiers;R. Ford Denison

  • Evolutionary principles and their practical application

    Andrew P. Hendry;Michael T. Kinnison;Mikko Heino;Mikko Heino;Troy Day

  • Life Histories of Symbiotic Rhizobia and Mycorrhizal Fungi

    R. Ford Denison;E. Toby Kiers

  • Lifestyle alternatives for rhizobia: mutualism, parasitism, and forgoing symbiosis

    R. Ford Denison;E. Toby Kiers

  • Darwinian agriculture: when can humans find solutions beyond the reach of natural selection?

    R. Ford Denison;E. Toby Kiers;Stuart A. West

  • Human selection and the relaxation of legume defences against ineffective rhizobia.

    E. Toby Kiers;E. Toby Kiers;Mark G. Hutton;R. Ford Denison

  • Evolution in agriculture: the application of evolutionary approaches to the management of biotic interactions in agro-ecosystems.

    Peter H. Thrall;John G. Oakeshott;Gary Fitt;Simon Southerton

  • Yield increases during the organic transition: Improving soil quality or increasing experience?

    Elizabeth A. Martini;Jeffrey S. Buyer;Dennis C. Bryant;Timothy K. Hartz

  • Darwinian Agriculture: How Understanding Evolution Can Improve Agriculture

    R. Ford Denison

  • Poly-3-hydroxybutyrate (PHB) supports survival and reproduction in starving rhizobia.

    William C. Ratcliff;Supriya V. Kadam;Robert Ford Denison

  • Measured sanctions: Legume hosts detect quantitative variation in rhizobium cooperation and punish accordingly

    E. Toby Kiers;E. Toby Kiers;Robert A. Rousseau;R. Ford Denison

  • Failure to fix nitrogen by non-reproductive symbiotic rhizobia triggers host sanctions that reduce fitness of their reproductive clonemates.

    Ryoko Oono;Carolyn G. Anderson;R. Ford Denison

  • Response to Drought Stress of Nitrogen Fixation (Acetylene Reduction) Rates by Field-Grown Soybeans

    P. Randall Weisz;Robert F. Denison;Thomas R. Sinclair

  • Mediating mutualisms: farm management practices and evolutionary changes in symbiont co-operation

    E. Toby Kiers;Stuart A. West;Stuart A. West;R. Ford Denison

  • Do plant parts compete for resources? An evolutionary viewpoint

    Victor O. Sadras;R. Ford Denison

  • Controlling the reproductive fate of rhizobia: how universal are legume sanctions?

    Ryoko Oono;R. Ford Denison;E. Toby Kiers

  • Wheat Yields, Nitrogen Uptake, and Soil Moisture Following Winter Legume Cover Crop vs. Fallow

    Andrew M. McGuire;Dennis C. Bryant;R. Ford Denison

  • Crop yields over the first nine years of LTRAS, a long-term comparison of field crop systems in a Mediterranean climate

    R.Ford Denison;Dennis C Bryant;Thomas E Kearney

  • Nitrogenase Activity, Nodule Respiration, and O2 Permeability Following Detopping of Alfalfa and Birdsfoot Trefoil

    R. Ford Denison;Stephen Hunt;David B. Layzell

  • Individual-level bet hedging in the bacterium Sinorhizobium meliloti.

    William C. Ratcliff;R. Ford Denison

Frequent Co-Authors

E. Toby Kiers
E. Toby Kiers Vrije Universiteit Amsterdam
Stuart A. West
Stuart A. West University of Oxford
David B. Layzell
David B. Layzell University of Calgary
Victor O. Sadras
Victor O. Sadras Flinders University
Michael Travisano
Michael Travisano University of Minnesota
Katharina Pawlowski
Katharina Pawlowski Stockholm University
Johan Six
Johan Six ETH Zurich
John R. Porter
John R. Porter University of Copenhagen
Ellen L. Simms
Ellen L. Simms University of California, Berkeley
Kate M. Scow
Kate M. Scow University of California, Davis

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