CHIZU — the atlas of coffee research
Coffee research in Ghana
Two limits come with this count. Only 100,474 of the 190,643 searchable papers (52.7%) carry an author affiliation country. The other 90,169 (47.3%) carry none. So these 140 papers are 140 out of the 100,474 whose affiliation is known. And a co-authored paper is counted once for every country its authors sit in. Per-country counts therefore do not add up to the whole.
Ghana is a coffee-producing country.
Check it yourself
This is not our word for it. You can run the same query against the same index.
When they were written
1970–2026
Years before 1600 are treated as unknown. The upstream data (OpenAlex) sometimes writes 1400 when the year is missing, and that is a placeholder, not a measurement.
Where they appeared
Top 8 sources (journals and repositories)
Most cited
10 papers, most cited first
- Smiling, Deferring, and Flirting1993cited 265
- Quantile risk spillovers between energy and agricultural commodity markets: Evidence from pre and during COVID-19 outbreak2022cited 264
- WAITERING/WAITRESSING:1993cited 131
- Shade trees have limited benefits for soil fertility in cocoa agroforests2017cited 109
- Evaluation of Sleep Patterns and Self-Reported Academic Performance among Medical Students at the University of Ghana School of Medicine and Dentistry2019cited 83open access
- A very-hot food and beverage thermal exposure index and esophageal cancer risk in Malawi and Tanzania: findings from the ESCCAPE case–control studies2022cited 82open access
- Dietary patterns and associated factors of schooling Ghanaian adolescents2019cited 68open access
- Unhealthy eating practices of city-dwelling Africans in deprived neighbourhoods: Evidence for policy action from Ghana and Kenya2020cited 65open access
- Ochratoxin A in food commodities: A review of occurrence, toxicity, and management strategies2024cited 50open access
- Agricultural Potentials of Molecular Spectroscopy and Advances for Food Authentication: An Overview2022cited 49open access
Which stage of coffee
Only 30.2% of the whole index carries a stage label. Of this country's 140 papers, 58 carry one. The breakdown below is about those 58 papers only — the rest were never candidates for it.
One paper can carry several labels, so the breakdown adds up to more than that number.
Which field
Only 75.9% of the whole index carries a field label. Of this country's 140 papers, 119 carry one. The breakdown below is about those 119 papers only — the rest were never candidates for it.
One paper can carry several labels, so the breakdown adds up to more than that number.
What language
"undetermined" means the upstream record carried no language. We did not guess one.
Knowledge is not evenly spread
Counting only papers whose author affiliation is known, the largest is Indonesia with 22,248. Ghana has 140 — a factor of 159.
That gap does not follow where coffee is grown. Research gathers where the means to do research are, not where the coffee is. Making that visible is why CHIZU exists.
Other countries
Indonesia 22,248United States 17,988Brazil 10,857United Kingdom 5,569China 4,887India 3,542Germany 3,185Italy 3,111France 3,072Japan 2,822Colombia 2,489Spain 2,363