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Plant Science and Agronomy
Austria
2026
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Biology and Biochemistry
Italy
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 93 227 212 3 3 256 36575

Harinder P. S. Makkar publications per year

The chart shows the history of publications by Harinder P. S. Makkar between 1970 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Harinder P. S. Makkar published across 52 years, from 1970 to 2021, averaging 5.8 papers a year. Output peaked at 26 publications in 2012. 2 of the 301 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1970 to 2021. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2012. 1970: 1 publication 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 4 publications 1981: 7 publications 1982: 9 publications 1983: 8 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 3 publications 1988: 12 publications 1989: 6 publications 1990: 1 publication 1991: 4 publications 1992: 3 publications 1993: 7 publications 1994: 3 publications 1995: 6 publications 1996: 9 publications 1997: 10 publications 1998: 11 publications 1999: 8 publications 2000: 5 publications 2001: 4 publications 2002: 6 publications 2003: 18 publications 2004: 6 publications 2005: 16 publications 2006: 1 publication 2007: 10 publications 2008: 8 publications 2009: 12 publications 2010: 16 publications 2011: 14 publications 2012: 26 publications 2013: 12 publications 2014: 4 publications 2015: 5 publications 2016: 11 publications 2017: 5 publications 2018: 4 publications 2019: 3 publications 2020: 0 publications 2021: 2 publications
1970 2021

301 publications in total across all disciplines

View publications per year as a table
Harinder P. S. Makkar: publications per year, 1970 to 2021
Year Publications
1970 1
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 4
1981 7
1982 9
1983 8
1984 1
1985 0
1986 0
1987 3
1988 12
1989 6
1990 1
1991 4
1992 3
1993 7
1994 3
1995 6
1996 9
1997 10
1998 11
1999 8
2000 5
2001 4
2002 6
2003 18
2004 6
2005 16
2006 1
2007 10
2008 8
2009 12
2010 16
2011 14
2012 26
2013 12
2014 4
2015 5
2016 11
2017 5
2018 4
2019 3
2020 0
2021 2
Total 301
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Harinder P. S. Makkar 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 Harinder P. S. Makkar 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, 256–260 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: 256 publications — 88th percentile

88% 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 36 256
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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Harinder P. S. Makkar 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 Harinder P. S. Makkar 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, 93 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: 93 D-Index — 97th percentile

97% 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
93 17 93
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 Austria Leader Award
  • 2025 - Research.com Plant Science and Agronomy in Austria Leader Award
  • 2023 - Research.com Biology and Biochemistry in Italy Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Enzyme
  • Biochemistry
  • Botany

His primary areas of study are Food science, Botany, Biochemistry, Rumen and Tannin. His work in the fields of Short-chain fatty acid overlaps with other areas such as Commercial fish feed and Fish meal. His Botany research integrates issues from Diosgenin and Amylase.

In his research on the topic of Rumen, Adaptation is strongly related with Agronomy. His Tannin research includes elements of Chromatography, Schinopsis lorentzii, Tannic acid and Protein precipitation. His study in Tannic acid is interdisciplinary in nature, drawing from both Proanthocyanidin and Dry matter.

His most cited work include:

  • Antinutritional factors present in plant-derived alternate fish feed ingredients and their effects in fish (1411 citations)
  • The biological action of saponins in animal systems: a review (1088 citations)
  • Gravimetric determination of tannins and their correlations with chemical and protein precipitation methods (806 citations)

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

Harinder P. S. Makkar mainly focuses on Botany, Food science, Rumen, Tannin and Biochemistry. His Jatropha curcas and Phytic acid study, which is part of a larger body of work in Botany, is frequently linked to Jatropha, bridging the gap between disciplines. Food science and Nutrient are frequently intertwined in his study.

Harinder P. S. Makkar has researched Rumen in several fields, including Hay, Agronomy, Incubation and Methane. His Tannin research incorporates themes from Proanthocyanidin, Tannic acid, Chromatography and Phenols. His Biochemistry research is multidisciplinary, relying on both Quillaja and Toxicity.

He most often published in these fields:

  • Botany (26.80%)
  • Food science (24.80%)
  • Rumen (24.00%)

What were the highlights of his more recent work (between 2010-2019)?

  • Food science (24.80%)
  • Jatropha (14.00%)
  • Jatropha curcas (15.20%)

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

Harinder P. S. Makkar spends much of his time researching Food science, Jatropha, Jatropha curcas, Botany and Fish meal. His Food science research is multidisciplinary, incorporating perspectives in EC50 and Biochemistry. His work on Phytase and Polysaccharide as part of his general Biochemistry study is frequently connected to Commercial fish feed and Type 2 diabetes, thereby bridging the divide between different branches of science.

His Jatropha curcas study integrates concerns from other disciplines, such as Bioassay, Casein, Agronomy and Amylase. His Laminarin research extends to Botany, which is thematically connected. His Rumen study contributes to a more complete understanding of Fermentation.

Between 2010 and 2019, his most popular works were:

  • State-of-the-art on use of insects as animal feed. (560 citations)
  • Seaweeds for livestock diets: A review (198 citations)
  • Non-starch polysaccharides and their role in fish nutrition – A review (194 citations)

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

  • Enzyme
  • Biochemistry
  • Botany

His primary scientific interests are in Food science, Fish meal, Botany, Commercial fish feed and Animal science. His study in the fields of Fermentation and Rumen under the domain of Food science overlaps with other disciplines such as Aquatic environment. His work carried out in the field of Fermentation brings together such families of science as Proanthocyanidin, Polyphenol, Condensed tannin and Tannin.

In his work, Harinder P. S. Makkar performs multidisciplinary research in Botany and Jatropha. Harinder P. S. Makkar combines subjects such as Meal, Amylase, Phosphorus, Biotechnology and Nutrient with his study of Animal science. His biological study deals with issues like Globulin, which deal with fields such as Biochemistry.

Best Publications

  • Effects and fate of tannins in ruminant animals, adaptation to tannins, and strategies to overcome detrimental effects of feeding tannin-rich feeds

    H.P.S Makkar

  • Quantification of Tannins in Tree and Shrub Foliage: A Laboratory Manual

    Harinder P. S. Makkar

  • Formation of complexes between polyvinyl pyrrolidones or polyethylene glycols and tannins, and their implication in gas production and true digestibility in in vitro techniques

    H. P. S. Makkar;M. Blümmel;K. Becker

  • In vitro gas production: a technique revisited

    M. Blümmel;H. P. S. Makkar;K. Becker

  • Studies on nutritive potential and toxic constituents of different provenances of Jatropha curcas

    H. P. S. Makkar;K. Becker;F. Sporer;M. Wink

  • Phorbol esters: structure, biological activity, and toxicity in animals.

    Gunjan Goel;Harinder P. S. Makkar;George Francis;Klaus Becker

  • Nutrional value and antinutritional components of whole and ethanol extracted Moringa oleifera leaves

    H.P.S. Makkar;K. Becker

  • Seaweeds for livestock diets: A review

    Harinder P.S. Makkar;Gilles Tran;Valérie Heuzé;Sylvie Giger-Reverdin;Sylvie Giger-Reverdin

  • Plant Secondary Metabolites

    Harinder P S Makkar;P Siddhuraju;Klaus Becker

  • Comparative evaluation of non-toxic and toxic varieties of Jatropha curcas for chemical composition, digestibility, protein degradability and toxic factors

    H.P.S. Makkar;A.O. Aderibigbe;K. Becker

  • Nutrients and antiquality factors in different morphological parts of the Moringa oleifera tree.

    H. P. S. Makkar;K. Becker

  • Quantification of Tannins in Tree and Shrub Foliage

    Harinder P. S. Makkar

  • Bioactivity of phytochemicals in some lesser-known plants and their effects and potential applications in livestock and aquaculture production systems.

    H. P. S. Makkar;G. Francis;K. Becker

  • Non-starch polysaccharides and their role in fish nutrition – A review

    Amit K. Sinha;Vikas Kumar;Harinder P.S. Makkar;Gudrun De Boeck

  • In vitro effects of and interactions between tannins and saponins and fate of tannins in the rumen

    Harinder P S Makkar;Michael Blümmel;Klaus Becker

  • Phytate and phytase in fish nutrition

    V. Kumar;A. K. Sinha;H. P. S. Makkar;G. De Boeck

  • Technical options for the mitigation of direct methane and nitrous oxide emissions from livestock: a review

    P.J. Gerber;A.N. Hristov;B.L. Henderson;H.P.S. Makkar

  • Methane mitigation from ruminants using tannins and saponins

    Gunjan Goel;Gunjan Goel;Harinder P. S. Makkar

  • Jatropha curcas, a promising crop for the generation of biodiesel and value-added coproducts

    Harinder P. S. Makkar;Klaus Becker

  • TROPICAL BROWSES: CONTENTS OF PHENOLIC COMPOUNDS, IN VITRO GAS PRODUCTION AND STOICHIOMETRIC RELATIONSHIP BETWEEN SHORT CHAIN FATTY ACID AND IN VITRO GAS PRODUCTION

    G. Getachew;H. P. S. Makkar;K. Becker

  • Dietary roles of non-starch polysaccharides in human nutrition: a review.

    Vikas Kumar;Amit K Sinha;Harinder P S Makkar;Gudrun de Boeck

  • Edible provenances of Jatropha curcas from Quintana Roo state of Mexico and effect of roasting on antinutrient and toxic factors in seeds

    H. P. S. Makkar;K. Becker;B. Schmook

  • A review of the noxious plant Lantana camara

    Om P. Sharma;Harinder Paul S. Makkar;Rajinder K. Dawra

  • Protein concentrate from Jatropha curcas screw-pressed seed cake and toxic and antinutritional factors in protein concentrate

    Harinder P S Makkar;George Francis;Klaus Becker

Frequent Co-Authors

Klaus Becker
Klaus Becker University of Hohenheim
Michael Blümmel
Michael Blümmel International Livestock Research Institute
Perumal Siddhuraju
Perumal Siddhuraju Bharathiar University
Anuraga Jayanegara
Anuraga Jayanegara IPB University
A. Allan Degen
A. Allan Degen Ben-Gurion University of the Negev
Alessandro Priolo
Alessandro Priolo University of Catania
H. Ben Salem
H. Ben Salem INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Michael Kam
Michael Kam Ben-Gurion University of the Negev
Jianxin Liu
Jianxin Liu Zhejiang University

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