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Plant Science and Agronomy
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 92 239 223 84 78 283 41955

Donald R. Ort publications per year

The chart shows the history of publications by Donald R. Ort between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Donald R. Ort published across 54 years, from 1973 to 2026, averaging 5.6 papers a year. Output peaked at 17 publications in 2017. 6 of the 305 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2017. 1973: 5 publications 1974: 2 publications 1975: 2 publications 1976: 3 publications 1977: 2 publications 1978: 3 publications 1979: 2 publications 1980: 0 publications 1981: 3 publications 1982: 3 publications 1983: 3 publications 1984: 6 publications 1985: 4 publications 1986: 5 publications 1987: 6 publications 1988: 4 publications 1989: 4 publications 1990: 9 publications 1991: 2 publications 1992: 4 publications 1993: 2 publications 1994: 1 publication 1995: 5 publications 1996: 3 publications 1997: 2 publications 1998: 3 publications 1999: 1 publication 2000: 3 publications 2001: 5 publications 2002: 3 publications 2003: 0 publications 2004: 9 publications 2005: 8 publications 2006: 16 publications 2007: 4 publications 2008: 8 publications 2009: 4 publications 2010: 7 publications 2011: 11 publications 2012: 11 publications 2013: 10 publications 2014: 8 publications 2015: 11 publications 2016: 12 publications 2017: 17 publications 2018: 9 publications 2019: 15 publications 2020: 13 publications 2021: 8 publications 2022: 5 publications 2023: 7 publications 2024: 6 publications 2025: 5 publications 2026: 1 publication
1973 2026

305 publications in total across all disciplines

View publications per year as a table
Donald R. Ort: publications per year, 1973 to 2026
Year Publications
1973 5
1974 2
1975 2
1976 3
1977 2
1978 3
1979 2
1980 0
1981 3
1982 3
1983 3
1984 6
1985 4
1986 5
1987 6
1988 4
1989 4
1990 9
1991 2
1992 4
1993 2
1994 1
1995 5
1996 3
1997 2
1998 3
1999 1
2000 3
2001 5
2002 3
2003 0
2004 9
2005 8
2006 16
2007 4
2008 8
2009 4
2010 7
2011 11
2012 11
2013 10
2014 8
2015 11
2016 12
2017 17
2018 9
2019 15
2020 13
2021 8
2022 5
2023 7
2024 6
2025 5
2026 1
Total 305
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Donald R. Ort 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 Donald R. Ort sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 281–285 publications, is where this scientist sits. 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
36–40 publications 467+

This scientist: 283 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications Scientists This scientist
36–40 2
41–45 7
46–50 40
51–55 58
56–60 60
61–65 107
66–70 130
71–75 153
76–80 191
81–85 199
86–90 206
91–95 218
96–100 226
101–105 227
106–110 247
111–115 255
116–120 253
121–125 233
126–130 219
131–135 201
136–140 194
141–145 176
146–150 157
151–155 147
156–160 151
161–165 159
166–170 137
171–175 128
176–180 126
181–185 98
186–190 114
191–195 100
196–200 90
201–205 71
206–210 98
211–215 70
216–220 86
221–225 61
226–230 58
231–235 53
236–240 64
241–245 39
246–250 46
251–255 51
256–260 36
261–265 44
266–270 35
271–275 30
276–280 33
281–285 35 283
286–290 36
291–295 26
296–300 26
301–305 31
306–310 30
311–315 21
316–320 29
321–325 14
326–330 15
331–335 15
336–340 17
341–345 15
346–350 12
351–355 17
356–360 18
361–365 12
366–370 11
371–375 6
376–380 6
381–385 11
386–390 9
391–395 10
396–400 8
401–405 4
406–410 9
411–415 11
416–420 4
421–425 7
426–430 4
431–435 3
436–440 5
441–445 8
446–450 6
451–455 7
456–460 5
461–465 6
466 2
467+ 99
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Donald R. Ort 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 Donald R. Ort sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 92 D-Index, is where this scientist sits. 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: 92 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index Scientists This scientist
30 200
31 236
32 253
33 283
34 288
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219
44 193
45 164
46 158
47 143
48 131
49 127
50 122
51 122
52 110
53 102
54 98
55 79
56 85
57 88
58 91
59 62
60 61
61 59
62 54
63 61
64 59
65 58
66 41
67 49
68 39
69 32
70 40
71 47
72 38
73 28
74 29
75 28
76 22
77 21
78 25
79 26
80 19
81 16
82 12
83 16
84 14
85 11
86 17
87 13
88 10
89 12
90 18
91 16
92 16 92
93 17
94 12
95 8
96 9
97 9
98 11
99 12
100 5
101 8
102 4
103 11
104 5
105 9
106 7
107 4
108 8
109+ 99
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Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2022 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2017 - Member of the National Academy of Sciences
  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Photosynthesis
  • Enzyme
  • Ecology

Donald R. Ort mostly deals with Photosynthesis, Botany, Carbon dioxide, Agronomy and Crop yield. His Photosynthesis study integrates concerns from other disciplines, such as Canopy and Growing season. His Botany study combines topics from a wide range of disciplines, such as Gene and Animal science.

Donald R. Ort combines subjects such as Acclimatization and Respiration with his study of Carbon dioxide. His Agronomy research includes elements of Primary production, Ecosystem and Water content. The Crop yield study combines topics in areas such as Biomass, Agriculture, Climate change and Photosynthetic efficiency.

His most cited work include:

  • Rising atmospheric carbon dioxide: plants FACE the future (1282 citations)
  • Food for Thought: Lower-Than-Expected Crop Yield Stimulation with Rising CO2 Concentrations (1144 citations)
  • Comparing photosynthetic and photovoltaic efficiencies and recognizing the potential for improvement. (1011 citations)

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

His scientific interests lie mostly in Photosynthesis, Agronomy, Botany, Biochemistry and Photosystem II. His Photosynthesis research incorporates elements of Canopy, Carbon dioxide and Horticulture. Agronomy and Water content are commonly linked in his work.

His Botany course of study focuses on Animal science and Carboxylation. He usually deals with Photosystem II and limits it to topics linked to Photochemistry and Plastoquinone and Cytochrome b6f complex. Donald R. Ort has researched Crop yield in several fields, including Agriculture and Climate change.

He most often published in these fields:

  • Photosynthesis (81.61%)
  • Agronomy (39.13%)
  • Botany (34.45%)

What were the highlights of his more recent work (between 2016-2021)?

  • Photosynthesis (81.61%)
  • Agronomy (39.13%)
  • Canopy (24.41%)

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

Photosynthesis, Agronomy, Canopy, Crop and Photosynthetic efficiency are his primary areas of study. The subject of his Photosynthesis research is within the realm of Botany. His biological study spans a wide range of topics, including Carbon dioxide, Agriculture, Vapour Pressure Deficit and Photosystem II.

Donald R. Ort has included themes like Biomass, Heat wave, Atmospheric sciences and Solar angle in his Canopy study. His Crop research is multidisciplinary, incorporating elements of Carbon gain, Climate change and C4 photosynthesis. His Photosynthetic efficiency research includes themes of Biophysics and Process engineering.

Between 2016 and 2021, his most popular works were:

  • Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field (203 citations)
  • Photosystem II Subunit S overexpression increases the efficiency of water use in a field-grown crop. (90 citations)
  • The Impacts of Fluctuating Light on Crop Performance. (74 citations)

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

  • Enzyme
  • Photosynthesis
  • Gene

Donald R. Ort mostly deals with Photosynthesis, Canopy, Botany, Agronomy and Crop. His Photosynthesis research incorporates elements of Chloroplast and Crop yield. His studies deal with areas such as Photosynthetic efficiency and C4 photosynthesis as well as Canopy.

His work in Botany covers topics such as Horticulture which are related to areas like Photosynthetic acclimation, RuBisCO, Nicotiana tabacum and Sink. The concepts of his Agronomy study are interwoven with issues in Heat wave and Photosystem II. His Crop research integrates issues from Carbon gain, Atmospheric sciences and Solar angle.

Best Publications

  • Rising atmospheric carbon dioxide: plants FACE the future

    Stephen P. Long;Elizabeth A. Ainsworth;Alistair Rogers;Alistair Rogers;Donald R. Ort

  • Improving Photosynthetic Efficiency for Greater Yield

    Xin Guang Zhu;Xin Guang Zhu;Stephen P. Long;Donald R. Ort

  • Climate Impacts on Agriculture: Implications for Crop Production

    Jerry L. Hatfield;Kenneth J. Boote;B. A. Kimball;Lewis A. Ziska

  • Can improvement in photosynthesis increase crop yields

    Stephen P. Long;Xin Guang Zhu;Shawna L. Naidu;Donald R. Ort

  • Food for Thought: Lower-Than-Expected Crop Yield Stimulation with Rising CO2 Concentrations

    Stephen P. Long;Elizabeth A. Ainsworth;Elizabeth A. Ainsworth;Andrew D. B. Leakey;Josef Nösberger

  • Comparing photosynthetic and photovoltaic efficiencies and recognizing the potential for improvement.

    Robert E. Blankenship;David M. Tiede;James Barber;James Barber;Gary W. Brudvig

  • Elevated CO2 effects on plant carbon, nitrogen, and water relations: six important lessons from FACE

    Andrew D. B. Leakey;Elizabeth A. Ainsworth;Elizabeth A. Ainsworth;Carl J. Bernacchi;Carl J. Bernacchi;Alistair Rogers;Alistair Rogers

  • What is the maximum efficiency with which photosynthesis can convert solar energy into biomass

    Xin Guang Zhu;Stephen P. Long;Donald R. Ort;Donald R. Ort

  • Impacts of chilling temperatures on photosynthesis in warm-climate plants

    Damian J. Allen;Donald R. Ort

  • Redesigning photosynthesis to sustainably meet global food and bioenergy demand

    Donald R. Ort;Donald R. Ort;Sabeeha S. Merchant;Jean Alric;Alice Barkan

  • Oxygenic photosynthesis: the light reactions.

    Donald R. Ort;Charles F. Yocum

  • Photosynthesis, Productivity, and Yield of Maize Are Not Affected by Open-Air Elevation of CO2 Concentration in the Absence of Drought

    Andrew D.B. Leakey;Martin Uribelarrea;Elizabeth A. Ainsworth;Shawna L. Naidu

  • Biotic stress globally downregulates photosynthesis genes.

    Damla D. Bilgin;Jorge A. Zavala;Jin Zhu;Steven J. Clough;Steven J. Clough

  • Synthetic glycolate metabolism pathways stimulate crop growth and productivity in the field

    Paul F. South;Paul F. South;Amanda P. Cavanagh;Helen W. Liu;Donald R. Ort

  • A photoprotective role for O2 as an alternative electron sink in photosynthesis

    Donald R Ort;Neil R Baker

  • Genome of the long-living sacred lotus ( Nelumbo nucifera Gaertn.)

    Ray Ming;Ray Ming;Robert VanBuren;Yanling Liu;Mei Yang

  • More than taking the heat: crops and global change.

    Stephen P Long;Donald R Ort

  • When There Is Too Much Light

    Donald R. Ort

  • The Costs of Photorespiration to Food Production Now and in the Future

    Berkley J. Walker;Berkley J. Walker;Andy VanLoocke;Carl J. Bernacchi;Carl J. Bernacchi;Donald R. Ort;Donald R. Ort

  • The slow reversibility of photosystem II thermal energy dissipation on transfer from high to low light may cause large losses in carbon gain by crop canopies: a theoretical analysis

    Xin Guang Zhu;Donald R. Ort;John Whitmarsh;John Whitmarsh;Stephen P. Long

  • Optimizing Antenna Size to Maximize Photosynthetic Efficiency

    Donald R. Ort;Xinguang Zhu;Anastasios Melis

  • Chlorophyll a fluorescence induction kinetics in leaves predicted from a model describing each discrete step of excitation energy and electron transfer associated with Photosystem II

    Xin-Guang Zhu;Govindjee;Neil R. Baker;Eric deSturler

  • Thylakoid membrane responses to moderately high leaf temperature in Pima cotton

    S. M. Schrader;R. R. Wise;W. F. Wacholtz;Donald Richard Ort

Frequent Co-Authors

Carl J. Bernacchi
Carl J. Bernacchi University of Illinois at Urbana-Champaign
Stephen P. Long
Stephen P. Long University of Illinois at Urbana-Champaign
Elizabeth A. Ainsworth
Elizabeth A. Ainsworth University of Illinois at Urbana-Champaign
Andrew D. B. Leakey
Andrew D. B. Leakey University of Illinois at Urbana-Champaign
Xin-Guang Zhu
Xin-Guang Zhu Chinese Academy of Sciences
Alistair Rogers
Alistair Rogers Brookhaven National Laboratory
Evan H. DeLucia
Evan H. DeLucia University of Illinois at Urbana-Champaign
Neil R. Baker
Neil R. Baker University of Essex
Bruce A. Kimball
Bruce A. Kimball Agricultural Research Service
Ray Ming
Ray Ming University of Illinois at Urbana-Champaign

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