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University · Coimbatore · India

Tamil Nadu Agricultural University

In research, Tamil Nadu Agricultural University stands highest in Agricultural and Biological Sciences (#72 of 3,409 worldwide), Plant Science (#43 of 1,395 worldwide) and General Agricultural and Biological Sciences (#32 of 247 worldwide), 2022–2025. Relative to its size it is most specialised in Plant Science, Agronomy and Crop Science and Soil Science — Plant Science is 21.2× its share of world research.

tnau.ac.inROR OpenAlex
World rank, 2022–2025
#2,082
of 28,054 · #5,623 all time
Rank in India
#107
of 1,840
Research works
12k
▲ 142% vs 2013–17
Citations
82k
6.9 per fractional work
Top-10% rate
9.6%
record average 16.5%
Open access
67%
world 28%

What is Tamil Nadu Agricultural University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Agricultural and Biological SciencesField #72 of 3,409 9.7%2,957 #372
Plant ScienceSubfield #43 of 1,395 11.7%1,721 #258
General Agricultural and Biological SciencesSubfield #32 of 247 6.6%274 #156
Life SciencesDomain #1,095 of 7,800 9.8%3,368 #2760
Physical SciencesDomain #2,147 of 12,888 9.6%874 #6073
Environmental ScienceField #1,093 of 3,551 9.1%358 #2228
Biochemistry, Genetics and Molecular BiologyField #1,218 of 3,579 11.0%368 #2695
Agronomy and Crop ScienceSubfield #53 of 121 5.3%196 #261
Soil ScienceSubfield #62 of 139 4.4%247 #216
EngineeringField #3,159 of 6,636 9.3%222 #6602

Each strip is that field’s whole ranked pool, with the notch where Tamil Nadu Agricultural University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Agricultural and Biological Sciences#372 #72
  2. Plant Science#258 #43
  3. General Agricultural and Biological Sciences#156 #32
  4. Life Sciences#2,760 #1,095
  5. Physical Sciences#6,073 #2,147
  6. Environmental Science#2,228 #1,093
  7. Biochemistry, Genetics and Molecular Biology#2,695 #1,218
  8. Agronomy and Crop Science#261 #53
  9. Soil Science#216 #62
  10. Engineering#6,602 #3,159
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Tamil Nadu Agricultural University specialise in?

Where its research is concentrated relative to its size: Plant Science takes 21.2× the share of its output that it takes of world research.

  1. Plant ScienceSubfield · 1,721.1 works21×
  2. Agronomy and Crop ScienceSubfield · 196.2 works18×
  3. Soil ScienceSubfield · 246.9 works18×
  4. Insect ScienceSubfield · 195.6 works15×
  5. Agricultural and Biological SciencesField · 2,956.9 works13×
  6. General Agricultural and Biological SciencesSubfield · 273.9 works13×
  7. Ecology, Evolution, Behavior and SystematicsSubfield · 134.7 works6.2×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 13.37× its world share, 2,957 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.48× its world share, 368 worksBiochemistry, Geneti…Immunology and Microbiology: 0.26× its world share, 12 worksImmunology and Micro…Neuroscience: 0.09× its world share, 7 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.46× its world share, 24 worksPharmacology, Toxico…Chemical Engineering: 0.23× its world share, 4 worksChemical EngineeringChemistry: 0.90× its world share, 65 worksChemistryComputer Science: 0.16× its world share, 58 worksComputer ScienceEarth and Planetary Sciences: 0.61× its world share, 44 worksEarth and Planetary …Energy: 0.47× its world share, 20 worksEnergyEngineering: 0.32× its world share, 222 worksEngineeringEnvironmental Science: 1.55× its world share, 358 worksEnvironmental ScienceMaterials Science: 0.60× its world share, 98 worksMaterials ScienceMathematics: 0.05× its world share, 3 worksMathematicsPhysics and Astronomy: 0.01× its world share, 1 worksPhysics and AstronomyDentistry: 0.12× its world share, 3 worksDentistryHealth Professions: 0.19× its world share, 23 worksHealth ProfessionsMedicine: 0.13× its world share, 120 worksMedicineNursing: 2.21× its world share, 50 worksNursingVeterinary: 0.11× its world share, 1 worksVeterinaryArts and Humanities: 0.10× its world share, 13 worksArts and HumanitiesBusiness, Management and Accounting: 0.43× its world share, 65 worksBusiness, Management…Decision Sciences: 0.45× its world share, 20 worksDecision SciencesEconomics, Econometrics and Finance: 0.46× its world share, 46 worksEconomics, Econometr…Psychology: 0.09× its world share, 13 worksPsychologySocial Sciences: 0.10× its world share, 60 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 13.4×. Every wedge is a field page.

Who are the top researchers at Tamil Nadu Agricultural University?

Ranked on the composite score, K. M. Shivakumar, N. Sakthivel and John Kennedy lead among researchers whose main affiliation is Tamil Nadu Agricultural University.

  1. 1 K. M. Shivakumar India · #25,823 worldwide 838 citations · 36 works
  2. 2 N. Sakthivel India · #54,720 worldwide 189 citations · 33 works
  3. 3 John Kennedy India · #102,721 worldwide 262 citations · 52 works
  4. 4 M. Djanaguiraman India · #252,849 worldwide 140 citations · 36 works
  5. 5 R. Samiyappan India · #317,934 worldwide 150 citations · 31 works
  6. 6 T. Arumugam India · #346,048 worldwide 39 citations · 29 works
  7. 7 A. Suganthi India · #366,179 worldwide 115 citations · 32 works
  8. 8 T. S. Raveendran India · #497,644 worldwide 31 citations · 24 works
  9. 9 V. Muralidharan India · #551,106 worldwide 37 citations · 18 works
  10. 10 K. Sivasubramaniam India · #584,519 worldwide 70 citations · 29 works
All ranked researchers at Tamil Nadu Agricultural University

Which keywords describe research at Tamil Nadu Agricultural University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Food Security, Drought Tolerance, QTL Mapping, Sustainability, Agriculture, Sustainable Agriculture and Water Management.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change534▲ 4.3×75 topics
  2. Sustainability412▲ 3.6×49 topics
  3. Food Security396▲ 15×17 topics
  4. Drought Tolerance320▲ 48×9 topics
  5. QTL Mapping309▲ 56×6 topics
  6. Agriculture274▲ 15×9 topics
  7. Sustainable Agriculture235▲ 16×13 topics
  8. Water Management231▲ 41×3 topics
  9. Policy230▲ 23×8 topics
  10. India227▲ 68×3 topics
  11. Drought Resistance226▲ 50×4 topics
  12. Development226▲ 14×7 topics
  13. Genetic Diversity224▲ 11×17 topics
  14. Plant Growth220▲ 43×6 topics
  15. Production220▲ 56×2 topics
  16. Economic Analysis217▲ 31×7 topics
  17. Breeding216▲ 61×5 topics
  18. Technology215▲ 8.7×4 topics
  19. Environmental Impact207▲ 2.6×44 topics
  20. Yield Potential201▲ 77×2 topics
  21. Rice196▲ 75×2 topics
  22. Aerobic Rice Systems194▲ 119×1 topic
  23. Root Traits194▲ 119×1 topic
  24. Genetic Improvement190▲ 45×4 topics
  25. Nutritional Quality187▲ 53×4 topics
  26. Soil Fertility176▲ 17×8 topics
  27. Biological Control172▲ 25×10 topics
  28. Antioxidant164▲ 5.1×43 topics
  29. Genetics164▲ 5.0×9 topics
  30. Crop Management156▲ 52×2 topics
  31. Crop Productivity144▲ 45×3 topics
  32. Nutrient Uptake137▲ 42×4 topics
  33. Genomics136▲ 9.8×10 topics
  34. Genetic Mapping130▲ 36×6 topics
  35. Marker Development128▲ 57×3 topics
  36. Agricultural Sustainability122▲ 23×5 topics
  37. Agricultural Practices120▲ 66×3 topics
  38. Rhizosphere Interactions118▲ 30×2 topics
  39. Horticultural Crops108▲ 31×3 topics
  40. Maize Yield107▲ 55×1 topic

Which research topics does Tamil Nadu Agricultural University publish most on?

By volume in 2022–2025: Agricultural Economics and Practices, Rice Cultivation and Yield Improvement, Crop Yield and Soil Fertility and Agricultural Science and Fertilization.

Agricultural Economics a…212Agricultural Economics and Practices: 212 fractional worksRice Cultivation and Yield Improvement: 194 fractional worksCrop Yield and Soil Fertility: 107 fractional worksAgricultural Science and Fertilization: 100 fractional worksAgricultural pest management studies: 98 fractional worksInsect Pest Control Strategies: 75 fractional worksGenetics and Plant Breed…71Genetics and Plant Breeding: 71 fractional worksPlant-Microbe Interactions and Immunity: 59 fractional worksAgronomic Practices and Intercropping Systems: 59 fractional worksGABA and Rice Research: 59 fractional works
General Agricultural and Biological SciencesPlant ScienceAgronomy and Crop ScienceSoil Science

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Agricultural Economics and Practices General Agricultural and Biological Sciences 212 works
  2. 2 Rice Cultivation and Yield Improvement Plant Science 194 works
  3. 3 Crop Yield and Soil Fertility Agronomy and Crop Science 107 works
  4. 4 Agricultural Science and Fertilization Soil Science 100 works
  5. 5 Agricultural pest management studies Plant Science 98 works
  6. 6 Insect Pest Control Strategies Plant Science 75 works
  7. 7 Genetics and Plant Breeding Plant Science 71 works
  8. 8 Plant-Microbe Interactions and Immunity Plant Science 59 works
  9. 9 Agronomic Practices and Intercropping Systems Agronomy and Crop Science 59 works
  10. 10 GABA and Rice Research Plant Science 59 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available67.0%not open33.0%

World: 28% of research is openly available.

with international co-authors7.1%domestic only92.9%

World: 19% is written across borders.

How has Tamil Nadu Agricultural University's research output changed?

Output in 2018–2022 was 142% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Coimbatore

All research institutions in Coimbatore

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.