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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 47 2586 2398 66 63 114 6857

C. Tom Hash publications per year

The chart shows the history of publications by C. Tom Hash between 1982 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. C. Tom Hash published across 43 years, from 1982 to 2024, averaging 2.7 papers a year. Output peaked at 9 publications in 2016. 1 of the 114 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1982 to 2024. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 2016. 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 1 publication 1995: 2 publications 1996: 1 publication 1997: 1 publication 1998: 3 publications 1999: 1 publication 2000: 1 publication 2001: 2 publications 2002: 3 publications 2003: 4 publications 2004: 1 publication 2005: 6 publications 2006: 1 publication 2007: 8 publications 2008: 4 publications 2009: 4 publications 2010: 7 publications 2011: 5 publications 2012: 4 publications 2013: 7 publications 2014: 6 publications 2015: 8 publications 2016: 9 publications 2017: 6 publications 2018: 6 publications 2019: 7 publications 2020: 2 publications 2021: 1 publication 2022: 1 publication 2023: 0 publications 2024: 1 publication
1982 2024

114 publications in total across all disciplines

View publications per year as a table
C. Tom Hash: publications per year, 1982 to 2024
Year Publications
1982 1
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 1
1995 2
1996 1
1997 1
1998 3
1999 1
2000 1
2001 2
2002 3
2003 4
2004 1
2005 6
2006 1
2007 8
2008 4
2009 4
2010 7
2011 5
2012 4
2013 7
2014 6
2015 8
2016 9
2017 6
2018 6
2019 7
2020 2
2021 1
2022 1
2023 0
2024 1
Total 114
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C. Tom Hash 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 C. Tom Hash 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, 111–115 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: 114 publications — 35th percentile

35% 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
111–115 255 114
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
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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C. Tom Hash 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 C. Tom Hash 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, 47 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: 47 D-Index — 62nd percentile

62% 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 47
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
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Best Publications

  • Pearl millet genome sequence provides a resource to improve agronomic traits in arid environments

    Rajeev K Varshney;Chengcheng Shi;Mahendar Thudi;Cedric Mariac

  • Genome-environment associations in sorghum landraces predict adaptive traits.

    Jesse R. Lasky;Hari D. Upadhyaya;Hari D. Upadhyaya;Hari D. Upadhyaya;Punna Ramu;Punna Ramu;Santosh Deshpande

  • Applications of biotechnology for crop improvement: prospects and constraints

    H.C. Sharma;J.H. Crouch;K.K. Sharma;N. Seetharama

  • Constitutive water-conserving mechanisms are correlated with the terminal drought tolerance of pearl millet [Pennisetum glaucum (L.) R. Br.]

    Jana Kholová;C. Tom Hash;Aparna Kakkera;Marie Kočová

  • Terminal drought-tolerant pearl millet [Pennisetum glaucum (L.) R. Br.] have high leaf ABA and limit transpiration at high vapour pressure deficit

    Jana Kholová;Jana Kholová;C. T. Hash;P. Lava Kumar;Rattan S. Yadav

  • Biological nitrification inhibition (BNI) activity in sorghum and its characterization

    G. V. Subbarao;K. Nakahara;T. Ishikawa;H. Ono

  • LeasyScan: a novel concept combining 3D imaging and lysimetry for high-throughput phenotyping of traits controlling plant water budget

    Vincent Vadez;Jana Kholová;Grégoire Hummel;Uladzimir Zhokhavets

  • Biological Nitrification Inhibition—A Novel Strategy to Regulate Nitrification in Agricultural Systems

    G.V. Subbarao;K.L. Sahrawat;K. Nakahara;T. Ishikawa

  • Screening sorghum genotypes for salinity tolerant biomass production

    L. Krishnamurthy;Rachid Serraj;C. Tom Hash;Abdullah J. Dakheel

  • A paradigm shift towards low-nitrifying production systems: the role of biological nitrification inhibition (BNI)

    G.V. Subbarao;K.L. Sahrawat;K. Nakahara;Idupulapati Madhusudana Rao

  • Recent advances in marker-assisted selection for drought tolerance in pearl millet.

    Rachid Serraj;C. Tom Hash;S. Masood H. Rizvi;Arun Sharma

  • Millets: genetic and genomic resources.

    S L Dwivedi;H D Upadhyaya;S Senthilvel;C T Hash

  • The pattern of genetic diversity of Guinea-race Sorghum bicolor (L.) Moench landraces as revealed with SSR markers.

    Rolf T. Folkertsma;H. Frederick W. Rattunde;Subhash Chandra;G. Soma Raju

  • Yield, transpiration efficiency, and water-use variations and their interrelationships in the sorghum reference collection

    V. Vadez;L. Krishnamurthy;C. T. Hash;H. D. Upadhyaya

  • Small temporal differences in water uptake among varieties of pearl millet (Pennisetum glaucum (L.) R. Br.) are critical for grain yield under terminal drought

    Vincent Vadez;Jana Kholova;Rattan Singh Yadav;Charles Thomas Hash

  • Exploring Potential of Pearl Millet Germplasm Association Panel for Association Mapping of Drought Tolerance Traits

    Deepmala Sehgal;Leif Skot;Richa Singh;Rakesh Kumar Srivastava

  • Mapping Quantitative Trait Loci Controlling High Iron and Zinc Content in Self and Open Pollinated Grains of Pearl Millet [Pennisetum glaucum (L.) R. Br.]

    Sushil Kumar;Sushil Kumar;Sushil Kumar;Charles T. Hash;Nepolean Thirunavukkarasu;Govind Singh

  • Quantitative trait loci for grain yield in pearl millet under variable postflowering moisture conditions

    F. R. Bidinger;T. Nepolean;C. T. Hash;Rattan S. Yadav

  • Opportunities for marker-assisted selection (MAS) to improve the feed quality of crop residues in pearl millet and sorghum

    C.T. Hash;A.G. Bhasker Raj;S. Lindup;A. Sharma;A. Sharma

  • Mapping Grain Iron and Zinc Content Quantitative Trait Loci in an Iniadi-Derived Immortal Population of Pearl Millet

    Sushil Kumar;Charles Tom Hash;Thirunavukkarasu Nepolean;Mahesh D. Mahendrakar

  • The Relationship between Population Structure and Aluminum Tolerance in Cultivated Sorghum

    Fernanda F. Caniato;Claudia T. Guimarães;Martha Hamblin;Claire Billot

  • A Database of Simple Sequence Repeats from Cereal and Legume Expressed Sequence Tags Mined in silico: Survey and Evaluation

    B. Jayashree;Ramu Punna;P. Prasad;Kassahun Bantte

  • Population Genetics and Structure of a Global Foxtail Millet Germplasm Collection

    Hari D. Upadhyaya;Mani Vetriventhan;Santosh P. Deshpande;Selvanayagam Sivasubramani

  • Does a terminal drought tolerance QTL contribute to differences in ROS scavenging enzymes and photosynthetic pigments in pearl millet exposed to drought

    Jana Kholová;Jana Kholová;C. Tom Hash;Marie Kočová;Vincent Vadez

  • Agro-morphological Characterization of West and Central African Pearl Millet Accessions

    Anna Pucher;Ousmane Sy;Ignatius I. Angarawai;Jada Gondah

  • Isolation and sequence analysis of DREB2A homologues in three cereal and two legume species

    Spurthi N. Nayak;Spurthi N. Nayak;Jayashree Balaji;Hari D. Upadhyaya;C. Tom Hash

  • Mapping QTLs Controlling Flowering Time and Important Agronomic Traits in Pearl Millet.

    Sushil Kumar;Sushil Kumar;Sushil Kumar;C. Tom Hash;T. Nepolean;C. Tara Satyavathi

  • Transpiration efficiency: insights from comparisons of C4 cereal species.

    Vincent Vadez;Vincent Vadez;Sunita Choudhary;Jana Kholová;C Tom Hash

  • Marker-assisted introgression improves Striga resistance in an Eritrean Farmer-Preferred Sorghum Variety

    Tadesse Yohannes;Tadesse Yohannes;Tesfamichael Abraha;Dan Kiambi;Rolf Folkertsma

  • Identification of QTLs and candidate genes for high grain Fe and Zn concentration in sorghum [Sorghum bicolor (L.)Moench]

    Anuradha Kotla;Rahul Phuke;K. Hariprasanna;Shivaji P. Mehtre

  • Component traits of plant water use are modulated by vapour pressure deficit in pearl millet (Pennisetum glaucum (L.) R.Br.)

    Jana Kholová;Jana Kholová;Paul Zindy;Srikanth Malayee;Rekha Baddam

  • Molecular cloning and expression analysis of Aquaporin genes in pearl millet [Pennisetum glaucum (L) R. Br.] genotypes contrasting in their transpiration response to high vapour pressure deficits.

    Palakolanu Sudhakar Reddy;Murugesan Tharanya;Murugesan Tharanya;Kaliamoorthy Sivasakthi;Kaliamoorthy Sivasakthi;Mallayee Srikanth

  • Mapping a male-fertility restoration locus for the A4 cytoplasmic-genic male-sterility system in pearl millet using a genotyping-by-sequencing-based linkage map.

    Anna Pucher;C. Tom Hash;Jason G. Wallace;Sen Han

  • Gene Management and Breeding for Downy Mildew Resistance

    C. Tom Hash;John R. Witcombe

  • Biological Nitrification Inhibition (BNI) Potential in Sorghum

    Subbarao Guntur;Hossain Akm Zakir;K Nakahara;T Ishikawa

  • Population Diallel of Elite Medium- and Long-Duration Pearl Millet Composites: I. Populations and Their F1 Crosses

    Adam Mohamed Ali;C.Tom Hash;Abu Elhassan S. Ibrahim;A.G.Bhasker Raj

Frequent Co-Authors

Vincent Vadez
Vincent Vadez Institut de Recherche pour le Développement
Hari D. Upadhyaya
Hari D. Upadhyaya International Crops Research Institute for the Semi-Arid Tropics
Bettina I. G. Haussmann
Bettina I. G. Haussmann University of Hohenheim
Jana Kholova
Jana Kholova International Crops Research Institute for the Semi-Arid Tropics
Edward S. Buckler
Edward S. Buckler Cornell University
Rajeev K. Varshney
Rajeev K. Varshney Murdoch University
Rakesh K. Srivastava
Rakesh K. Srivastava International Crops Research Institute for the Semi-Arid Tropics
P. B. Kavi Kishor
P. B. Kavi Kishor Osmania University
Rattan Yadav
Rattan Yadav Aberystwyth University
Rachid Serraj
Rachid Serraj Mohammed VI Polytechnic University

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