
The National Root Crops Research Institute, Umudike, Abia State is an agricultural research institute in Nigeria. Its origins can be traced back to an experimental farm established at Moor Plantation, Ibadan on January 1, 1923 by the Nigerian Department of Agriculture. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for National Root Crops Research Institute, Nigeria, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
83%
Total
Publications
580
Total Open
Publications
483
Total
Citations
10K
Open Access
Percentage
83%
Total
Publications
580
Total Open
Publications
483
Total
Citations
10K
Breakdown
Publisher Open
47%
Both
30%
Other Platform Open
6%
Closed
17%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 34%
153
Hybrid 34%
151
No Guarantees 32%
142
Other Platform Open
Institution 78%
162
Domain 44%
91
Other Internet 15%
31
Preprint 8%
16
Public 2%
5
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 97 |
PubMed Central | Domain | 95 |
CGIAR | Institution | 66 |
DOI | Other Internet | 24 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 19 |
Centre de Coopération Internationale en Recherche Agronomique pour le Développement | Institution | 16 |
International Food Policy Research Institute | Institution | 12 |
bioRxiv | Preprint | 9 |
Unknown Repository | Other Internet | 7 |
Europe PMC | Domain | 6 |