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Plant Science and Agronomy
New Zealand
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
64
Citations
13826
World Ranking
993
National Ranking
8

Peter Millard 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 Peter Millard 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: 184 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Peter Millard 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 Peter Millard 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: 64 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in New Zealand Leader Award
  • 2025 - Research.com Plant Science and Agronomy in New Zealand Leader Award
  • 2022 - Research.com Plant Science and Agronomy in New Zealand Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Ecosystem

Peter Millard mainly investigates Botany, Ecology, Agronomy, Soil water and Cycling. His Botany research integrates issues from Seasonality and Horticulture. His Horticulture research is multidisciplinary, relying on both Biomass, Acclimatization and RuBisCO.

His research in Agronomy intersects with topics in Soil fertility, Mineralization, Soil organic matter, Woody plant and Rhizosphere. His research integrates issues of Climate change, Community structure and Microbial population biology in his study of Soil water. His Cycling research is multidisciplinary, incorporating elements of Dry matter, Nutrient, Deciduous and Nitrogen balance.

His most cited work include:

  • Unravelling rhizosphere–microbial interactions: opportunities and limitations (331 citations)
  • Assessing shifts in microbial community structure across a range of grasslands of differing management intensity using CLPP, PLFA and community DNA techniques (325 citations)
  • Nitrogen storage and remobilization by trees: ecophysiological relevance in a changing world (297 citations)

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

His primary areas of study are Botany, Agronomy, Horticulture, Shoot and Soil water. His Agronomy research is multidisciplinary, relying on both Rhizosphere, Nutrient and Cycling. His work deals with themes such as Soil pH, Microcosm and Microbial population biology, which intersect with Rhizosphere.

Peter Millard has researched Horticulture in several fields, including Urea, Perennial plant, Plant physiology and Transpiration. His studies deal with areas such as Rootstock, Plant nutrition, Herbivore, Betula pubescens and Juglans as well as Shoot. Soil science and Ecology are all intrinsically tied to his study in Soil water.

He most often published in these fields:

  • Botany (39.31%)
  • Agronomy (36.99%)
  • Horticulture (27.17%)

What were the highlights of his more recent work (between 2008-2021)?

  • Agronomy (36.99%)
  • Soil water (14.45%)
  • Rhizosphere (12.72%)

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

Peter Millard mainly investigates Agronomy, Soil water, Rhizosphere, Soil respiration and Soil organic matter. The concepts of his Agronomy study are interwoven with issues in Photosynthesis and Nutrient. The subject of his Soil water research is within the realm of Ecology.

His work carried out in the field of Rhizosphere brings together such families of science as Biomass, Soil pH and Botany. Peter Millard works in the field of Botany, namely Shoot. He interconnects Environmental chemistry and Soil carbon in the investigation of issues within Soil respiration.

Between 2008 and 2021, his most popular works were:

  • Nitrogen storage and remobilization by trees: ecophysiological relevance in a changing world (297 citations)
  • Methane, microbes and models: fundamental understanding of the soil methane cycle for future predictions (176 citations)
  • Does carbon storage limit tree growth (154 citations)

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

  • Ecology
  • Botany
  • Ecosystem

Soil water, Agronomy, Soil respiration, Ecology and Soil carbon are his primary areas of study. His biological study spans a wide range of topics, including Reforestation and Botany. Environmental factor is the focus of his Botany research.

His research in Agronomy intersects with topics in Woody plant and Soil fertility. His Soil respiration research includes themes of Nutrient and Horticulture. His work in the fields of Climate change, Biogeochemical cycle, Greenhouse gas and Soil biodiversity overlaps with other areas such as Land use, land-use change and forestry.

Best Publications

  • Unravelling rhizosphere–microbial interactions: opportunities and limitations

    Brajesh K. Singh;Peter Millard;Andrew S. Whiteley;J.Colin Murrell

  • Nitrogen storage and remobilization by trees: ecophysiological relevance in a changing world

    Peter Millard;Gwen-Aelle Grelet

  • Assessing shifts in microbial community structure across a range of grasslands of differing management intensity using CLPP, PLFA and community DNA techniques

    S.J Grayston;C.D Campbell;R.D Bardgett;J.L Mawdsley

  • The accumulation and storage of nitrogen by herbaceous plants

    P. Millard

  • Methane, microbes and models: fundamental understanding of the soil methane cycle for future predictions

    Loïc Nazaries;J. Colin Murrell;Pete Millard;Liz Baggs

  • Ecophysiology of the internal cycling of nitrogen for tree growth

    Peter Millard

  • Influence of grass species and soil type on rhizosphere microbial community structure in grassland soils

    Brajesh K. Singh;Stacey Munro;Jacqueline M. Potts;Peter Millard

  • Surplus Carbon Drives Allocation and Plant–Soil Interactions

    Cindy E. Prescott;Sue J. Grayston;Heljä Sisko Helmisaari;Eva Kaštovská

  • Environmental change and carbon limitation in trees: a biochemical, ecophysiological and ecosystem appraisal.

    Peter Millard;Martin Sommerkorn;Gwen-Aëlle Grelet

  • Does carbon storage limit tree growth

    Sara Palacio;Günter Hoch;Anna Sala;Christian Körner

  • Alteration and resilience of the soil microbial community following compost amendment: effects of compost level and compost-borne microbial community.

    Carine Saison;Valérie Degrange;Robert Oliver;Peter Millard

  • Growth Rate and % N of Field Grown Crops: Theory and Experiments

    D. J. Greenwood;F. Gastal;G. Lemaire;A. Draycott

  • The Influence of Nitrogen Supply on the Uptake and Remobilization of Stored N for the Seasonal Growth of Apple Trees

    P. Millard;G. H. Neilsen

  • Does grassland vegetation drive soil microbial diversity

    P. Millard;B. K. Singh

  • Interspecific defoliation responses of trees depend on sites of winter nitrogen storage

    P. Millard;A. Hester;R. Wendler;G. Baillie

  • Spatial structure in soil chemical and microbiological properties in an upland grassland.

    K. Ritz;K. Ritz;J.W. McNicol;N. Nunan;S. Grayston

  • Through the eye of the needle: a review of isotope approaches to quantify microbial processes mediating soil carbon balance.

    Eric Paterson;Andrew J. Midwood;Peter Millard

  • Leaf demography and the seasonal internal cycling of nitrogen in sycamore (Acer pseudoplatanus L.) seedlings in relation to nitrogen supply

    P. Millard;M. F. Proe

  • Translocation of amino acids in the xylem of apple (Malus domestica Borkh.) trees in spring as a consequence of both N remobilization and root uptake

    Donatella Malaguti;Peter Millard;Renate Wendler;Alan Hepburn

  • Climate change cannot be entirely responsible for soil carbon loss observed in England and Wales, 1978–2003

    Peter Smith;Stephen J. Chapman;W. Andy Scott;Helaina I.J. Black

  • Storage and internal cycling of nitrogen in relation to seasonal growth of Sitka spruce.

    P. Millard;M. F. Proe

Frequent Co-Authors

Massimo Tagliavini
Massimo Tagliavini Free University of Bozen-Bolzano
Brajesh K. Singh
Brajesh K. Singh Western Sydney University
David Whitehead
David Whitehead Landcare Research
John E. Hunt
John E. Hunt Landcare Research
Alison J. Hester
Alison J. Hester James Hutton Institute
Eric Paterson
Eric Paterson James Hutton Institute
J. Colin Murrell
J. Colin Murrell University of East Anglia
Susan J. Grayston
Susan J. Grayston University of British Columbia
Matthew H. Turnbull
Matthew H. Turnbull University of Canterbury
Xavier Le Roux
Xavier Le Roux Claude Bernard University Lyon 1

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