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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Plant Science and Agronomy 56 1493 132 165 15752

Harry Smith publications per year

The chart shows the history of publications by Harry Smith between 1964 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Harry Smith published across 62 years, from 1964 to 2025, averaging 2.9 papers a year. Output peaked at 10 publications in 1976. 3 of the 178 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1964 to 2025. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 1976. 1964: 3 publications 1965: 2 publications 1966: 2 publications 1967: 1 publication 1968: 0 publications 1969: 0 publications 1970: 6 publications 1971: 1 publication 1972: 2 publications 1973: 6 publications 1974: 4 publications 1975: 5 publications 1976: 10 publications 1977: 5 publications 1978: 5 publications 1979: 3 publications 1980: 3 publications 1981: 8 publications 1982: 8 publications 1983: 5 publications 1984: 2 publications 1985: 7 publications 1986: 5 publications 1987: 6 publications 1988: 6 publications 1989: 4 publications 1990: 6 publications 1991: 3 publications 1992: 7 publications 1993: 5 publications 1994: 3 publications 1995: 6 publications 1996: 3 publications 1997: 6 publications 1998: 1 publication 1999: 1 publication 2000: 5 publications 2001: 3 publications 2002: 3 publications 2003: 0 publications 2004: 2 publications 2005: 3 publications 2006: 4 publications 2007: 0 publications 2008: 1 publication 2009: 0 publications 2010: 1 publication 2011: 0 publications 2012: 0 publications 2013: 2 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 1 publication 2024: 1 publication 2025: 2 publications
1964 2025

178 publications in total across all disciplines

View publications per year as a table
Harry Smith: publications per year, 1964 to 2025
Year Publications
1964 3
1965 2
1966 2
1967 1
1968 0
1969 0
1970 6
1971 1
1972 2
1973 6
1974 4
1975 5
1976 10
1977 5
1978 5
1979 3
1980 3
1981 8
1982 8
1983 5
1984 2
1985 7
1986 5
1987 6
1988 6
1989 4
1990 6
1991 3
1992 7
1993 5
1994 3
1995 6
1996 3
1997 6
1998 1
1999 1
2000 5
2001 3
2002 3
2003 0
2004 2
2005 3
2006 4
2007 0
2008 1
2009 0
2010 1
2011 0
2012 0
2013 2
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0
2020 0
2021 0
2022 0
2023 1
2024 1
2025 2
Total 178
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Harry Smith 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 Harry Smith 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, 161–165 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: 165 publications — 65th percentile

65% 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
161–165 159 165
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
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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Harry Smith 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 Harry Smith 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, 56 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: 56 D-Index — 77th percentile

77% 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 56
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
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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Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Enzyme
  • Gene

The scientist’s investigation covers issues in Phytochrome, Botany, Shade avoidance, Mutant and Wild type. His Phytochrome research is multidisciplinary, incorporating perspectives in Tree canopy, Competition, Photomorphogenesis, Adaptation and Phytochrome A. His study in Botany is interdisciplinary in nature, drawing from both Arabidopsis thaliana, Etiolation and Cell biology.

His research in Shade avoidance intersects with topics in Transgene, Ecology, Perception and Solanaceae. His Ecology research includes elements of Daylight and Photobiology. His studies deal with areas such as Evolutionary biology, Biological evolution, Phytochrome B and Plant Physiological Phenomena as well as Perception.

His most cited work include:

  • Phytochromes and light signal perception by plants—an emerging synthesis (1118 citations)
  • Light Quality, Photoperception, and Plant Strategy (1020 citations)
  • The shade avoidance syndrome: multiple responses mediated by multiple phytochromes (530 citations)

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

Phytochrome, Botany, Far-red, Shade avoidance and Etiolation are his primary areas of study. His Phytochrome research is multidisciplinary, relying on both Mutant, Hypocotyl, Photomorphogenesis, Cell biology and Phytochrome A. His Botany study combines topics from a wide range of disciplines, such as Arabidopsis thaliana, Biophysics, Arabidopsis and Horticulture.

His studies in Far-red integrate themes in fields like Enzyme assay, Phenylalanine ammonia-lyase activity, Optics, Plant physiology and Mode of action. As a part of the same scientific study, Harry Smith usually deals with the Shade avoidance, concentrating on Genetically modified crops and frequently concerns with Dwarfing. His research in Etiolation tackles topics such as Chlorophyll which are related to areas like Pisum and Chloroplast.

He most often published in these fields:

  • Phytochrome (65.29%)
  • Botany (52.07%)
  • Far-red (19.01%)

What were the highlights of his more recent work (between 1998-2013)?

  • Phytochrome (65.29%)
  • Botany (52.07%)
  • Molecular ecology (3.31%)

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

Harry Smith mostly deals with Phytochrome, Botany, Molecular ecology, Phytochrome A and Library science. His Phytochrome research integrates issues from Specific activity, Cotyledon, Shade avoidance, Cucurbita and Hypocotyl. The concepts of his Shade avoidance study are interwoven with issues in Far-red, Photomorphogenesis and Plant physiology.

His Plant cell research extends to the thematically linked field of Botany. His biological study spans a wide range of topics, including Biophysics, Etiolation and Seedling. His research investigates the connection with Evolutionary biology and areas like Biological evolution which intersect with concerns in Ecology.

Between 1998 and 2013, his most popular works were:

  • Phytochromes and light signal perception by plants—an emerging synthesis (1118 citations)
  • A road map for molecular ecology. (90 citations)
  • Physiological interactions of phytochromes A, B1 and B2 in the control of development in tomato. (75 citations)

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

  • Enzyme
  • Gene
  • Botany

His primary areas of study are Phytochrome, Ecology, Phytochrome A, Botany and Ecology. The various areas that Harry Smith examines in his Phytochrome study include Mutant and Shade avoidance. His work carried out in the field of Shade avoidance brings together such families of science as Biological evolution, Plant Physiological Phenomena, Perception and Photobiology.

His Phytochrome A research is multidisciplinary, incorporating elements of Biophysics, Phytochrome B, Carrier protein, Basic Helix-Loop-Helix Transcription Factors and Arabidopsis Proteins. He has researched Botany in several fields, including Far-red, Photomorphogenesis, Etiolation and Cell biology. His Ecology research includes elements of Evolutionary biology and MOLECULAR BIOLOGY METHODS.

Best Publications

  • Phytochromes and light signal perception by plants—an emerging synthesis

    Harry Smith

  • Light Quality, Photoperception, and Plant Strategy

    Harry Smith

  • The shade avoidance syndrome: multiple responses mediated by multiple phytochromes

    H. Smith;G. C. Whitelam

  • Physiological and Ecological Function within the Phytochrome Family

    Harry Smith

  • Phenotypic plasticity: linking molecular mechanisms with evolutionary outcomes

    Carl D. Schlichting;Harry Smith

  • A systematic relationship between phytochrome-controlled development and species habitat, for plants grown in simulated natural radiation.

    D. C. Morgan;H. Smith

  • Phytochrome, a family of photoreceptors with multiple physiological roles

    H. Smith;G. C. Whitelam

  • A Test of the Adaptive Plasticity Hypothesis Using Transgenic and Mutant Plants Disabled in Phytochrome-Mediated Elongation Responses to Neighbors

    Johanna Schmitt;Alex C. McCormac;Harry Smith

  • Sensing the light environment: the functions of the phytochrome family

    Harry Smith

  • Plants and the daylight spectrum.

    H. Smith

  • The function, action and adaptive significance of phytochrome in light-grown plants

    J. J. Casal;H. Smith

  • Genetic engineering of harvest index in tobacco through overexpression of a phytochrome gene

    Paul R.H. Robson;Alex C. McCormac;Anne S. Irvine;Harry Smith

  • Penetration of light into soil and its role in the control of seed germination

    D. Bliss;H. Smith

  • PHYTOCHROME CONTROL OF SEED GERMINATION IN THE TROPICAL RAIN FOREST PIONEER TREES CECROPIA OBTUSIFOLIA AND PIPER AURITUM AND ITS ECOLOGICAL SIGNIFICANCE

    C. Vázquez‐Yanes;H. Smith

  • Reflection signals and the perception by phytochrome of the proximity of neighbouring vegetation

    H. Smith;J. J. Casal;G. M. Jackson

  • Transgene-mediated auxin overproduction in Arabidopsis: hypocotyl elongation phenotype and interactions with the hy6-1 hypocotyl elongation and axr1 auxin-resistant mutants.

    Charles P. Romano;Paul R. H. Robson;Harry Smith;Mark Estelle

  • Retention of Phytochrome-Mediated Shade Avoidance Responses in Phytochrome-Deficient Mutants of Arabidopsis, Cucumber and Tomato

    Garry C. Whitelam;Harry Smith

  • Selected components of the shade-avoidance syndrome are displayed in a normal manner in mutants of Arabidopsis thaliana and Brassica rapa deficient in phytochrome B

    Paul R. H. Robson;Garry C. Whitelam;Harry Smith

  • Rapid photomodulation of stem extension in light-grownSinapis alba L. : Studies on kinetics, site of perception and photoreceptor.

    D. C. Morgan;T. O'Brien;H. Smith

  • Proximity signal and shade avoidance differences between early and late successional trees

    Ian R. Gilbert;Paul G. Jarvis;Harry Smith

  • Phytochrome and Photomorphogenesis in Plants

    Harry Smith

  • CONTROL OF DEVELOPMENT IN CHENOPODIUM ALBUM L. BY SHADELIGHT: THE EFFECT OF LIGHT QUANTITY (TOTAL FLUENCE RATE) AND LIGHT QUALITY (RED.FAR-RED RATIO)

    D. C. Morgan;Harry Smith

  • Photoresponses of transgenic Arabidopsis seedlings expressing introduced phytochrome B‐encoding cDNAs: evidence that phytochrome A and phytochrome B have distinct photoregulatory functions

    Alex C. McCormac;Doris Wagner;Margaret T. Boylan;Peter H. Quail

  • The perception of light quality

    Harry Smith

  • Antagonistic but Complementary Actions of Phytochromes A and B Allow Optimum Seedling De-Etiolation

    H. Smith;Yong Xu;P.H. | Quail

Frequent Co-Authors

Garry C. Whitelam
Garry C. Whitelam University of Leicester
Loren H. Rieseberg
Loren H. Rieseberg University of British Columbia
Jorge J. Casal
Jorge J. Casal University of Buenos Aires
Matthew E. Hudson
Matthew E. Hudson University of Illinois at Urbana-Champaign
Peter H. Quail
Peter H. Quail University of California, Berkeley
Paul G. Jarvis
Paul G. Jarvis University of Edinburgh
James L. Weller
James L. Weller University of Tasmania
David C. Fork
David C. Fork Carnegie Institution for Science
Maarten Koornneef
Maarten Koornneef Max Planck Institute for Plant Breeding Research
Richard M. Amasino
Richard M. Amasino University of Wisconsin–Madison

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