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Nonprofit · Ibadan · Nigeria

International Institute of Tropical Agriculture

In research, International Institute of Tropical Agriculture stands highest in Agricultural and Biological Sciences (#1,607 of 3,409 worldwide) and Life Sciences (#6,331 of 7,800 worldwide), 2022–2025. Relative to its size it is most specialised in Plant Science and Agricultural and Biological Sciences — Plant Science is 25.4× its share of world research.

iita.orgROR OpenAlex
World rank, 2022–2025
#17,389
of 28,054 · #13,905 all time
Rank in Nigeria
#119
of 191
Research works
973
▲ 30% vs 2013–17
Citations
30k
30.6 per fractional work
Top-10% rate
30.3%
record average 16.5%
Open access
32%
world 28%

What is International Institute of Tropical Agriculture 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 #1,607 of 3,409 28.7%66 #781
Life SciencesDomain #6,331 of 7,800 28.5%72 #5720

Each strip is that field’s whole ranked pool, with the notch where International Institute of Tropical Agriculture 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).

What does International Institute of Tropical Agriculture specialise in?

Where its research is concentrated relative to its size: Plant Science takes 25.4× the share of its output that it takes of world research.

  1. Plant ScienceSubfield · 41.3 works25×
  2. Agricultural and Biological SciencesField · 66.2 works15×
← 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: 14.93× its world share, 66 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.03× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 1.15× its world share, 1 worksImmunology and Micro…Chemistry: 0.36× its world share, 0 worksChemistryComputer Science: 0.07× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.11× its world share, 0 worksEarth and Planetary …Engineering: 0.02× its world share, 0 worksEngineeringEnvironmental Science: 1.64× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials ScienceHealth Professions: 0.31× its world share, 1 worksHealth ProfessionsMedicine: 0.15× its world share, 3 worksMedicineNursing: 3.63× its world share, 2 worksNursingVeterinary: 0.11× its world share, 0 worksVeterinaryArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.38× its world share, 1 worksBusiness, Management…Decision Sciences: 0.15× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.77× its world share, 2 worksEconomics, Econometr…Psychology: 0.03× its world share, 0 worksPsychologySocial Sciences: 0.31× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 14.9×. Every wedge is a field page.

Who are the top researchers at International Institute of Tropical Agriculture?

Ranked on the composite score, H. R. Herren, Β. T. Kang and A. Tenkouano lead among researchers whose main affiliation is International Institute of Tropical Agriculture.

  1. 1 H. R. Herren Nigeria · #88,056 worldwide 228 citations · 34 works
  2. 2 Β. T. Kang Nigeria · #106,195 worldwide 293 citations · 31 works
  3. 3 A. Tenkouano Nigeria · #250,941 worldwide 61 citations · 46 works
  4. 4 N. Sanginga Nigeria · #284,136 worldwide 250 citations · 39 works
  5. 5 K. Mulongoy Nigeria · #328,036 worldwide 104 citations · 20 works
  6. 6 Abebe Menkir Nigeria · #335,176 worldwide 214 citations · 55 works
  7. 7 R. J. Carsky Nigeria · #348,797 worldwide 120 citations · 16 works
  8. 8 Friday Ekeleme Nigeria · #373,702 worldwide 58 citations · 21 works
  9. 9 David Chikoye Nigeria · #402,783 worldwide 126 citations · 32 works
  10. 10 I. O. Akobundu Nigeria · #523,010 worldwide 69 citations · 15 works
All ranked researchers at International Institute of Tropical Agriculture

Which keywords describe research at International Institute of Tropical Agriculture?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Drought Tolerance, Genetic Diversity, Breeding, Genetics, Nutritional Quality, Sustainable Agriculture, Marker Development and Genetic Improvement.

▲ 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. Drought Tolerance16▲ 117×7 topics
  2. Genetic Diversity10▲ 23×13 topics
  3. Breeding9▲ 126×5 topics
  4. Genetics9▲ 13×4 topics
  5. Nutritional Quality8▲ 113×4 topics
  6. Sustainable Agriculture8▲ 27×7 topics
  7. Marker Development8▲ 173×3 topics
  8. Genetic Improvement6▲ 71×3 topics
  9. Genomic Sequencing6▲ 54×2 topics
  10. Climate Resilience6▲ 102×2 topics
  11. Food Security6▲ 11×9 topics
  12. Cassava5▲ 315×1 topic
  13. Climate Change5▲ 2.1×19 topics
  14. Cyanogenic Glycosides5▲ 315×1 topic
  15. Agricultural Sustainability5▲ 50×3 topics
  16. Cowpea5▲ 218×1 topic
  17. Legume Crop5▲ 218×1 topic
  18. Plant Breeding5▲ 54×3 topics
  19. QTL Mapping5▲ 43×6 topics
  20. Domestication4▲ 89×3 topics
  21. Antioxidants4▲ 10×5 topics
  22. Nitrogen Fixation4▲ 63×2 topics
  23. Potato4▲ 117×2 topics
  24. Metabolism4▲ 8.3×3 topics
  25. Social Networks4▲ 16×2 topics
  26. Cultivar Evaluation4▲ 181×1 topic
  27. Genome Sequencing4▲ 26×6 topics
  28. Genomics4▲ 14×10 topics
  29. Genotype-by-Environment Interaction4▲ 181×1 topic
  30. Acrylamide4▲ 174×1 topic
  31. Maillard Reaction4▲ 174×1 topic
  32. Smallholder Farmers4▲ 17×3 topics
  33. Toxicity4▲ 8.7×2 topics
  34. Quantitative Trait Loci3▲ 63×3 topics
  35. Rhizosphere Interactions3▲ 39×2 topics
  36. Biodiversity Conservation3▲ 8.2×7 topics
  37. Agricultural Productivity3▲ 101×1 topic
  38. Biological Control3▲ 19×6 topics
  39. Genome Analysis3▲ 29×2 topics
  40. Intercropping3▲ 101×1 topic

Which research topics does International Institute of Tropical Agriculture publish most on?

By volume in 2022–2025: Cassava research and cyanide, Agricultural pest management studies, Genetics and Plant Breeding and Potato Plant Research.

Cassava research and cyanide: 5 fractional worksAgricultural pest management studies: 5 fractional worksGenetics and Plant Breed…4Genetics and Plant Breeding: 4 fractional worksPotato Plant Research4Potato Plant Research: 4 fractional worksAgronomic Practices and Intercropping Systems: 3 fractional worksGenetic and Environmental Crop Studies: 2 fractional worksBanana Cultivation and R…2Banana Cultivation and Research: 2 fractional worksAgricultural Innovations and Practices: 2 fractional worksPlant Micronutrient Interactions and Effects: 2 fractional worksCrop Yield and Soil Fertility: 2 fractional works
Plant ScienceFood ScienceAgronomy and Crop ScienceGeneral Agricultural and Biological Sciences

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

  1. 1 Cassava research and cyanide Plant Science 5 works
  2. 2 Agricultural pest management studies Plant Science 5 works
  3. 3 Genetics and Plant Breeding Plant Science 4 works
  4. 4 Potato Plant Research Food Science 4 works
  5. 5 Agronomic Practices and Intercropping Systems Agronomy and Crop Science 3 works
  6. 6 Genetic and Environmental Crop Studies Plant Science 2 works
  7. 7 Banana Cultivation and Research Plant Science 2 works
  8. 8 Agricultural Innovations and Practices General Agricultural and Biological Sciences 2 works
  9. 9 Plant Micronutrient Interactions and Effects Plant Science 2 works
  10. 10 Crop Yield and Soil Fertility Agronomy and Crop Science 2 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 available32.5%not open67.5%

World: 28% of research is openly available.

with international co-authors42.1%domestic only57.9%

World: 19% is written across borders.

How has International Institute of Tropical Agriculture's research output changed?

Output in 2018–2022 was 30% 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 Ibadan

All research institutions in Ibadan

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.