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Research facility · Umuahia · Nigeria

National Root Crops Research Institute

In research, National Root Crops Research Institute stands highest in Agricultural and Biological Sciences (#3,754 of 6,031 worldwide), Life Sciences (#12,627 of 14,347 worldwide) and Plant Science (#2,531 of 2,837 worldwide), over all time. Relative to its size it is most specialised in Plant Science and Agricultural and Biological Sciences — Plant Science is 20.6× its share of world research.

nrcri.gov.ngROR OpenAlex
World rank, 2022–2025
#23,532
of 28,054 · #32,485 all time
Rank in Nigeria
#172
of 191
Research works
401
▲ 56% vs 2013–17
Citations
3.5k
8.7 per fractional work
Top-10% rate
15.2%
record average 16.5%
Open access
70%
world 28%

What is National Root Crops Research Institute known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Agricultural and Biological SciencesField #3,754 of 6,031 9.5%293
Life SciencesDomain #12,627 of 14,347 9.6%318
Plant ScienceSubfield #2,531 of 2,837 12.6%121

Each strip is that field’s whole ranked pool, with the notch where National Root Crops Research Institute 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 National Root Crops Research Institute specialise in?

Where its research is concentrated relative to its size: Plant Science takes 20.6× the share of its output that it takes of world research.

  1. Plant ScienceSubfield · 24.1 works21×
  2. Agricultural and Biological SciencesField · 43.2 works14×
← 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: 13.55× its world share, 43 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.95× its world share, 3 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 11.16× its world share, 3 worksPharmacology, Toxico…Chemistry: 0.70× its world share, 1 worksChemistryComputer Science: 0.02× its world share, 0 worksComputer ScienceEnergy: 0.43× its world share, 0 worksEnergyEngineering: 0.23× its world share, 2 worksEngineeringEnvironmental Science: 0.78× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials ScienceHealth Professions: 0.57× its world share, 1 worksHealth ProfessionsMedicine: 0.23× its world share, 3 worksMedicineNursing: 8.73× its world share, 3 worksNursingVeterinary: 1.83× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 1.13× its world share, 2 worksBusiness, Management…Economics, Econometrics and Finance: 0.49× its world share, 1 worksEconomics, Econometr…Psychology: 0.07× its world share, 0 worksPsychologySocial Sciences: 0.17× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 13.6×. Every wedge is a field page.

Who are the top researchers at National Root Crops Research Institute?

Ranked on the composite score, Indira Janaki Ekanayake, Chiedozie Egesi and Joseph Onyeka lead among researchers whose main affiliation is National Root Crops Research Institute.

  1. 1 Indira Janaki Ekanayake Nigeria · #630,974 worldwide 37 citations · 17 works
  2. 2 Chiedozie Egesi Nigeria · #1,153,330 worldwide 35 citations · 26 works
  3. 3 Joseph Onyeka Nigeria · #1,258,526 worldwide 13 citations · 15 works
All ranked researchers at National Root Crops Research Institute

Which keywords describe research at National Root Crops Research Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Genomic Sequencing, Cassava, Cyanogenic Glycosides, Sustainable Agriculture, Rural Development, Smallholder Farmers, Genetic Diversity and Social Networks.

▲ 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. Genomic Sequencing9▲ 118×2 topics
  2. Cassava9▲ 738×1 topic
  3. Cyanogenic Glycosides9▲ 738×1 topic
  4. Sustainable Agriculture8▲ 35×8 topics
  5. Rural Development6▲ 27×4 topics
  6. Smallholder Farmers6▲ 39×5 topics
  7. Genetic Diversity6▲ 19×11 topics
  8. Drought Tolerance5▲ 50×7 topics
  9. Social Networks5▲ 27×2 topics
  10. Agricultural Innovation5▲ 156×1 topic
  11. Livelihood Diversification5▲ 231×1 topic
  12. Dietary Fiber4▲ 54×3 topics
  13. Antioxidant4▲ 7.5×9 topics
  14. Antioxidant Activity4▲ 8.1×8 topics
  15. Bioactive Compounds3▲ 20×6 topics
  16. Food Security3▲ 9.1×6 topics
  17. Genetics3▲ 7.3×4 topics
  18. Nutritional Quality3▲ 63×4 topics
  19. Rheological Properties3▲ 27×2 topics
  20. Health Benefits3▲ 14×4 topics
  21. Breeding3▲ 54×4 topics
  22. Metabolism3▲ 8.0×3 topics
  23. Toxicity3▲ 9.5×2 topics
  24. Domestication3▲ 79×3 topics
  25. Anti-inflammatory2▲ 14×2 topics
  26. Climate Resilience2▲ 60×2 topics
  27. Glycemic Index2▲ 65×1 topic
  28. Marker Development2▲ 76×2 topics
  29. Starch2▲ 65×1 topic
  30. Pharmacological2▲ 122×2 topics
  31. Antioxidants2▲ 7.7×2 topics
  32. Ginger2▲ 223×1 topic
  33. Plant Nutrition2▲ 35×2 topics
  34. Potato2▲ 93×2 topics
  35. Zingiber officinale2▲ 223×1 topic
  36. Acrylamide2▲ 151×1 topic
  37. Biofortification2▲ 78×1 topic
  38. Maillard Reaction2▲ 151×1 topic
  39. Mineral Elements2▲ 140×1 topic
  40. Soil Fertility2▲ 14×4 topics

Which research topics does National Root Crops Research Institute publish most on?

By volume in 2022–2025: Cassava research and cyanide, Agricultural Innovations and Practices, Food composition and properties and Ginger and Zingiberaceae research.

Cassava research and cya…9Cassava research and cyanide: 9 fractional worksAgricultural Innovations…5Agricultural Innovations and Practices: 5 fractional worksFood composition and pro…2Food composition and properties: 2 fractional worksGinger and Zingiberaceae research: 2 fractional worksPlant Micronutrient Interactions and Effects: 2 fractional worksPotato Plant Research2Potato Plant Research: 2 fractional worksAgricultural pest management studies: 2 fractional worksAdvances in Cucurbitaceae Research: 1 fractional worksRabbits: Nutrition, Reproduction, Health: 1 fractional worksBanana Cultivation and Research: 1 fractional works
Plant ScienceGeneral Agricultural and Biological SciencesNutrition and DieteticsPharmacology3 others

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

  1. 1 Cassava research and cyanide Plant Science 9 works
  2. 2 Agricultural Innovations and Practices General Agricultural and Biological Sciences 5 works
  3. 3 Food composition and properties Nutrition and Dietetics 2 works
  4. 4 Ginger and Zingiberaceae research Pharmacology 2 works
  5. 5 Plant Micronutrient Interactions and Effects Plant Science 2 works
  6. 6 Potato Plant Research Food Science 2 works
  7. 7 Agricultural pest management studies Plant Science 2 works
  8. 8 Advances in Cucurbitaceae Research Genetics 1 works
  9. 9 Rabbits: Nutrition, Reproduction, Health Animal Science and Zoology 1 works
  10. 10 Banana Cultivation and Research Plant Science 1 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 available69.6%not open30.4%

World: 28% of research is openly available.

with international co-authors15.8%domestic only84.2%

World: 19% is written across borders.

How has National Root Crops Research Institute's research output changed?

Output in 2018–2022 was 56% 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 Umuahia

All research institutions in Umuahia

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.