World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
50
Citations
10394
World Ranking
2116
National Ranking
171

Guy J. D. Kirk 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 Guy J. D. Kirk 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: 153 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Guy J. D. Kirk 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 Guy J. D. Kirk 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: 50 D-Index — 68th percentile

68% 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:

  • Agriculture
  • Ecology
  • Carbon dioxide

His primary scientific interests are in Agronomy, Nutrient, Soil water, Environmental chemistry and Poaceae. His research integrates issues of Nitrogen fixation, Nitrate and Ammonium in his study of Agronomy. His Nutrient study integrates concerns from other disciplines, such as Biological system and Botany.

The Soil water study combines topics in areas such as Agriculture and Agricultural productivity. His Environmental chemistry research incorporates elements of Organic matter, Soil pH, Phosphorus and Carbon dioxide. His study focuses on the intersection of Poaceae and fields such as Phosphate with connections in the field of Plant physiology, Diffusion, Soil chemistry and Inorganic chemistry.

His most cited work include:

  • Carbon losses from all soils across England and Wales 1978-2003 (902 citations)
  • The Biogeochemistry of Submerged Soils (296 citations)
  • Nitrate-ammonium synergism in rice. A subcellular flux analysis (230 citations)

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

His main research concerns Soil water, Agronomy, Nutrient, Environmental chemistry and Soil carbon. His Soil water research is multidisciplinary, relying on both Dissolution, Mineralogy, Phosphate and Diffusion. His Agronomy study incorporates themes from Zinc and Phosphorus.

In Nutrient, Guy J. D. Kirk works on issues like Nitrogen, which are connected to Assimilation. His work in Environmental chemistry addresses issues such as Ammonium, which are connected to fields such as Biochemistry. His research on Soil carbon also deals with topics like

  • Soil organic matter that intertwine with fields like Soil type,
  • Climate change which intersects with area such as Carbon.

He most often published in these fields:

  • Soil water (41.73%)
  • Agronomy (39.57%)
  • Nutrient (20.14%)

What were the highlights of his more recent work (between 2016-2020)?

  • Soil carbon (10.79%)
  • Soil water (41.73%)
  • Environmental chemistry (19.42%)

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

Guy J. D. Kirk spends much of his time researching Soil carbon, Soil water, Environmental chemistry, Soil organic matter and Biochar. His work deals with themes such as Hydrology, Atmospheric sciences and Field conditions, which intersect with Soil carbon. His studies deal with areas such as Nutrient and Aerenchyma, Agronomy as well as Soil water.

In general Agronomy study, his work on Human fertilization, Fertilizer and Randomized block design often relates to the realm of Brown rice, thereby connecting several areas of interest. His study in the fields of Speciation under the domain of Environmental chemistry overlaps with other disciplines such as Three way. His Soil organic matter research is multidisciplinary, incorporating perspectives in Primary production, Ecosystem, Biogeochemical cycle, Topsoil and Biogeochemistry.

Between 2016 and 2020, his most popular works were:

  • Long-term increases in soil carbon due to ecosystem fertilization by atmospheric nitrogen deposition demonstrated by regional-scale modelling and observations. (37 citations)
  • The greenhouse gas impacts of converting food production in England and Wales to organic methods (35 citations)
  • Experimental determination of zinc isotope fractionation in complexes with the phytosiderophore 2’-deoxymugeneic acid (DMA) and its structural analogues, and implications for plant uptake mechanisms (33 citations)

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

  • Agriculture
  • Ecology
  • Carbon dioxide

Guy J. D. Kirk mainly focuses on Environmental chemistry, Soil water, Soil carbon, Food processing and Organic farming. His Environmental chemistry research incorporates themes from Soil classification, Nitrogen, Acid–base reaction and Carbonic acid. His Soil water study integrates concerns from other disciplines, such as Carbon dioxide, Bicarbonate, Nutrient and Aerenchyma.

His research integrates issues of Primary production, Ecosystem, Biogeochemical cycle, Topsoil and Biogeochemistry in his study of Soil carbon. His research in Organic farming intersects with topics in Environmental impact assessment, Food waste, Food security and Environmental protection. His study in Land use is interdisciplinary in nature, drawing from both Soil carbon sequestration, Agroecology and Greenhouse gas.

Best Publications

  • Carbon losses from all soils across England and Wales 1978-2003

    Patricia H. Bellamy;Peter J. Loveland;R. Ian Bradley;R. Murray Lark

  • The Biogeochemistry of Submerged Soils

    G. J. D Kirk

  • Nitrate-Ammonium Synergism in Rice. A Subcellular Flux Analysis

    Herbert J. Kronzucker;Herbert J. Kronzucker;M. Yaeesh Siddiqi;Anthony D.M. Glass;Guy J.D. Kirk

  • Opportunities for increased nitrogen-use efficiency from improved lowland rice germplasm

    J.K. Ladha;G.J.D. Kirk;J. Bennett;S. Peng

  • The Potential for Nitrification and Nitrate Uptake in the Rhizosphere of Wetland Plants: A Modelling Study

    G. J. D. Kirk;H. J. Kronzucker

  • Root‐induced iron oxidation and pH changes in the lowland rice rhizosphere

    C. B. M. Begg;C. B. M. Begg;G. J. D. Kirk;A. F. Mackenzie;H.‐U. Neue

  • Isotopic discrimination of zinc in higher plants.

    D. J. Weiss;D. J. Weiss;T. F. D. Mason;F. J. Zhao;G. J. D. Kirk

  • The greenhouse gas impacts of converting food production in England and Wales to organic methods

    Laurence G. Smith;Laurence G. Smith;Guy J. D. Kirk;Philip J. Jones;Adrian G. Williams

  • Comparative kinetic analysis of ammonium and nitrate acquisition by tropical lowland rice: implications for rice cultivation and yield potential

    H. J. Kronzucker;A. D. M. Glass;M. Y. Siddiqi;G. J. D. Kirk

  • Root-induced iron oxidation, pH changes and zinc solubilization in the rhizosphere of lowland rice

    G. J. D. Kirk;J.B. Bajita

  • Interactive effects of organic acids in the rhizosphere

    Eva Oburger;Eva Oburger;Guy J.D. Kirk;Walter W. Wenzel;Markus Puschenreiter

  • Phosphate solubilization by organic anion excretion from rice growing in aerobic soil: rates of excretion and decomposition, effects on rhizosphere pH and effects on phosphate solubility and uptake

    G. J. D. Kirk;E. E. Santos;M. B. Santos

  • Root‐induced solubilization of phosphate in the rhizosphere of lowland rice

    M. A. Saleque;G. J. D. Kirk

  • Changes in rice root architecture, porosity, and oxygen and proton release under phosphorus deficiency

    G. J. D. Kirk;Le Van Du

  • Tolerance of rice germplasm to zinc deficiency

    C. Quijano-Guerta;G.J.D. Kirk;A.M. Portugal;V.I. Bartolome

  • Progress in selected areas of rhizosphere research on P acquisition

    S. N. Trolove;S. N. Trolove;M. J. Hedley;G. J. D. Kirk;N. S. Bolan

  • Phosphorus efficiency and the forms of soil phosphorus utilized by upland rice cultivars

    Unknown

  • Phosphate solubilization by organic anion excretion from rice (Oryza sativa L.) growing in aerobic soil

    G.J.D. Kirk;E.E. Santos;G.R. Findenegg

  • Rice root properties for internal aeration and efficient nutrient acquisition in submerged soil

    Guy J. D. Kirk

  • Opportunities to improve phosphorus efficiency and soil fertility in rainfed lowland and upland rice ecosystems

    G.J.D. Kirk;Thomas George;Brigitte Courtois;D. Senadhira

  • Changes in soil pH across England and Wales in response to decreased acid deposition

    Guy J.D. Kirk;Pat H. Bellamy;R. Murray Lark

  • Evidence for the mechanisms of zinc uptake by rice using isotope fractionation.

    Tim Arnold;Guy J. D. Kirk;Matthias Wissuwa;Michael Frei

  • What is a good level of soil organic matter? An index based on organic carbon to clay ratio

    Jonah M. Prout;Jonah M. Prout;Keith D. Shepherd;Steve P. McGrath;Guy J. D. Kirk

  • Modelling the rhizosphere: a review of methods for 'upscaling' to the whole-plant scale

    P. R. Darrah;D. L. Jones;G. J. D. Kirk;T. Roose

  • A model of phosphate solubilization by organic anion excretion from plant roots

    G. J. D. Kirk

Frequent Co-Authors

Dominik J. Weiss
Dominik J. Weiss Imperial College London
Richard W. Bell
Richard W. Bell Murdoch University
Herbert J. Kronzucker
Herbert J. Kronzucker University of British Columbia
Jeroen Meersmans
Jeroen Meersmans Gembloux Agro-Bio Tech
Wilfred Otten
Wilfred Otten Cranfield University
Eric Paterson
Eric Paterson James Hutton Institute
Matthias Wissuwa
Matthias Wissuwa University of Bonn
Karl Ritz
Karl Ritz University of Nottingham
Fang-Jie Zhao
Fang-Jie Zhao Nanjing Agricultural University
Davey L. Jones
Davey L. Jones Bangor University

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