| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Plant Science and Agronomy | 39 | 4208 | 3935 | 273 | 245 | 124 | 5113 |
The chart shows the history of publications by John Colvin between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John Colvin published across 47 years, from 1979 to 2025, averaging 3.1 papers a year. Output peaked at 15 publications in 2020. 14 of the 147 publications appeared in the last two years.
147 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1979 | 1 |
| 1980 | 0 |
| 1981 | 1 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 1 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 1 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 4 |
| 1996 | 4 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 6 |
| 2004 | 6 |
| 2005 | 9 |
| 2006 | 6 |
| 2007 | 2 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 7 |
| 2013 | 0 |
| 2014 | 3 |
| 2015 | 0 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 4 |
| Total | 147 |
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 John Colvin sits on this spectrum.
This scientist: 124 publications — 43rd percentile
43% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 467 publications or more.
| 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 | 124 |
| 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 | |
| 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 |
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 John Colvin sits on this spectrum.
This scientist: 39 D-Index — 38th percentile
38% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 109 D-Index or more.
| 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 | 39 |
| 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 | |
| 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 |
Shu-sheng Liu;John Colvin;Paul J De Barro
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John Colvin;C.A. Omongo;M.R. Govindappa;Philip C. Stevenson;Philip C. Stevenson
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Xiangfeng Jing;Adam C‐N Wong;John M. Chaston;John Colvin
P. Sseruwagi;P. Sseruwagi;J.P. Legg;J.P. Legg;M.N. Maruthi;J. Colvin
Unknown
V Muniyappa;M N Maruthi;C R Babitha;J Colvin
Unknown
Unknown
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Jun-Bo Luan;Xiao-Wei Wang;John Colvin;Shu-Sheng Liu
P. Sseruwagi;P. Sseruwagi;Midatharahally Maruthi;J. Colvin;M.E.C. Rey
Unknown
Unknown
Unknown
Unknown
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