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Plant Science and Agronomy
USA
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
99
Citations
36085
World Ranking
170
National Ranking
59

Thomas R. Sinclair 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 Thomas R. Sinclair 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: 459 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Thomas R. Sinclair 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 Thomas R. Sinclair 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: 99 D-Index — 98th percentile

98% 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 United States Leader Award
  • 1995 - Fellow of the American Society of Agronomy (ASA)
  • 1995 - Fellow of the Crop Science Society of America (CSSA)

Overview

What is he best known for?

The fields of study he is best known for:

  • Agronomy
  • Botany
  • Ecology

Agronomy, Crop, Transpiration, Soil water and Crop yield are his primary areas of study. His research integrates issues of Nitrogen fixation and Plant physiology in his study of Agronomy. His Crop study integrates concerns from other disciplines, such as Biomass, Biotechnology, Grain yield and Yield.

Thomas R. Sinclair has included themes like Zea mays, Hybrid, Horticulture and Water content in his Transpiration study. His Soil water research incorporates themes from Greenhouse, Dehydration and Ecophysiology. His Crop yield research includes themes of Sorghum and Leaf area index.

His most cited work include:

  • Leaf Nitrogen, Photosynthesis, and Crop Radiation Use Efficiency: A Review (849 citations)
  • Efficient Water Use in Crop Production: Research or Re‐Search? (692 citations)
  • Radiation Use Efficiency (642 citations)

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

Thomas R. Sinclair focuses on Agronomy, Transpiration, Soil water, Crop and Botany. His Agronomy study frequently links to related topics such as Nitrogen fixation. The various areas that Thomas R. Sinclair examines in his Nitrogen fixation study include Respiration, Shoot and Plant physiology.

Many of his research projects under Transpiration are closely connected to Trait with Trait, tying the diverse disciplines of science together. His Soil water research is multidisciplinary, incorporating elements of Arachis hypogaea, Greenhouse and Water content. His Botany research integrates issues from Animal science, Nutrient and Horticulture.

He most often published in these fields:

  • Agronomy (67.53%)
  • Transpiration (28.31%)
  • Soil water (20.26%)

What were the highlights of his more recent work (between 2015-2021)?

  • Agronomy (67.53%)
  • Transpiration (28.31%)
  • Vapour Pressure Deficit (14.55%)

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

His primary scientific interests are in Agronomy, Transpiration, Vapour Pressure Deficit, Crop yield and Drought tolerance. His Agronomy study frequently draws connections to other fields, such as Soil drying. His study in Transpiration is interdisciplinary in nature, drawing from both Horticulture, Wilting, Soil water and Aquaporin.

His research in Soil water intersects with topics in Drought stress and Water content. His Crop yield study incorporates themes from Photosynthesis and Growing season. The concepts of his Drought tolerance study are interwoven with issues in Quantitative trait locus, Nitrogen fixation and Germplasm.

Between 2015 and 2021, his most popular works were:

  • Comparing and combining process-based crop models and statistical models with some implications for climate change (42 citations)
  • Limited-transpiration response to high vapor pressure deficit in crop species (42 citations)
  • Aquaporin Activity to Improve Crop Drought Tolerance (29 citations)

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

  • Botany
  • Ecology
  • Agronomy

Thomas R. Sinclair mainly investigates Agronomy, Transpiration, Vapour Pressure Deficit, Crop yield and Cultivar. Many of his studies on Agronomy involve topics that are commonly interrelated, such as Soil water. Thomas R. Sinclair has researched Transpiration in several fields, including Aquaporin and Drought tolerance.

He focuses mostly in the field of Vapour Pressure Deficit, narrowing it down to matters related to Water use and, in some cases, Growing season, Stomatal conductance and Food security. His Crop yield study combines topics from a wide range of disciplines, such as Water deficit, Water conservation, Grain yield, Crop growth and Nutrient. His studies examine the connections between Legume and genetics, as well as such issues in N2 Fixation, with regards to Botany.

Best Publications

  • Leaf Nitrogen, Photosynthesis, and Crop Radiation Use Efficiency: A Review

    T. R. Sinclair;T. Horie

  • Osmolyte accumulation: can it really help increase crop yield under drought conditions?

    R. Serraj;T. R. Sinclair

  • Efficient Water Use in Crop Production: Research or Re-Search?

    C. B. Tanner;T. R. Sinclair

  • Radiation Use Efficiency

    Thomas R. Sinclair;Russell C. Muchow

  • Limitations to efficient water use in crop production.

    H. M. Taylor;Wayne R. Jordan;Thomas R. Sinclair

  • Water-Use Efficiency in Crop Production

    T. R. Sinclair;C. B. Tanner;J. M. Bennett

  • Photosynthate and Nitrogen Requirements for Seed Production by Various Crops

    Unknown

  • Symbiotic N2 fixation response to drought

    Rachid Serraj;Thomas R. Sinclair;Larry C. Purcell

  • Temperature and solar radiation effects on potential maize yield across locations.

    R. C. Muchow;T. R. Sinclair;J. M. Bennett

  • Historical changes in harvest index and crop nitrogen accumulation

    Thomas R. Sinclair

  • Crop transformation and the challenge to increase yield potential.

    Thomas R. Sinclair;Larry C. Purcell;Clay H. Sneller

  • Crop Modeling: From Infancy to Maturity

    Thomas R. Sinclair;No'am G. Seligman

  • Water and nitrogen limitations in soybean grain production I. Model development

    T.R. Sinclair

  • Nitrogen Response of Leaf Photosynthesis and Canopy Radiation Use Efficiency in Field-Grown Maize and Sorghum

    R. C. Muchow;T. R. Sinclair

  • Transpiration responses to vapor pressure deficit in well watered ‘slow-wilting’ and commercial soybean

    Andrew L. Fletcher;Thomas R. Sinclair;L. Hartwell Allen

  • Application of MODIS derived parameters for regional crop yield assessment

    Paul C. Doraiswamy;Thomas R. Sinclair;Steven Hollinger;Bakhyt Akhmedov

  • Nitrogen and water resources commonly limit crop yield increases, not necessarily plant genetics

    Thomas R. Sinclair;Thomas W. Rufty

  • Analysis of the carbon and nitrogen limitations to soybean yield

    Unknown

  • Potential yield and water-use efficiency benefits in sorghum from limited maximum transpiration rate.

    Thomas R. Sinclair;Graeme L. Hammer;Erik J. van Oosterom

  • Future contributions of crop modelling—from heuristics and supporting decision making to understanding genetic regulation and aiding crop improvement

    G.L. Hammer;M.J. Kropff;T.R. Sinclair;J.R. Porter

  • System Analysis of Plant Traits to Increase Grain Yield on Limited Water Supplies

    Thomas R. Sinclair;Russell C. Muchow

  • Assessment across the United States of the Benefits of Altered Soybean Drought Traits

    Thomas R. Sinclair;Carlos D. Messina;Andy Beatty;Mitch Samples

  • Modeling Physiology of Crop Development, Growth and Yield

    Afshin Soltani;Thomas R. Sinclair

Frequent Co-Authors

Afshin Soltani
Afshin Soltani Gorgan University of Agricultural Sciences and Natural Resources
Vincent Vadez
Vincent Vadez Institut de Recherche pour le Développement
Rachid Serraj
Rachid Serraj Mohammed VI Polytechnic University
Thomas W. Rufty
Thomas W. Rufty North Carolina State University
Russell C. Muchow
Russell C. Muchow Commonwealth Scientific and Industrial Research Organisation
Larry C. Purcell
Larry C. Purcell University of Arkansas at Fayetteville
Jeffery D. Ray
Jeffery D. Ray Agricultural Research Service
Graeme L. Hammer
Graeme L. Hammer University of Queensland
Carlos D. Messina
Carlos D. Messina University of Florida
Mark E. Cooper
Mark E. Cooper Monash University

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