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Plant Science and Agronomy
Austria
2026
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Biology and Biochemistry
Italy
2023

D-Index & Metrics

Plant Science and Agronomy

D-Index
93
Citations
36575
World Ranking
227
National Ranking
3

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.

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 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.

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.

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.

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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