Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Carbon sequestration rate, nitrogen use efficiency and rice yield responses to long-term substitution of chemical fertilizer by organic manure in a rice–rice cropping system

2022Journal of Integrative AgricultureJournalOpen access

10.1016/j.jia.2022.12.006 Full text53 citations

Authors

10 authors across 5 institutions in 3 countries.

Nafiu Garba HAYATUFirst author
- Usmanu Danfodiyo University (NG)
Yi-ren LIU
Tian-fu HAN
Nano Alemu DABA
Lu ZHANG
Zhe SHEN
Ji-wen LI
Haliru MUAZU
- Usmanu Danfodiyo University (NG)
Sabah. H. Lamlom
- Alexandria University (EG)
as printed: Sobhi Faid LAMLOM
Huimin ZhangSenior authorCorresponding
as printed: Hui-min ZHANG

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Soil Carbon and Nitrogen Dynamicslevel 3 · 1.00
Rice Cultivation and Yield Improvementlevel 3 · 0.99
Phosphorus and nutrient managementlevel 3 · 0.98

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2022 · Journal of Integrative Agriculture · 53 citations
https://openalex.org/W4313215625

Carbon sequestration rate, nitrogen use efficiency and rice yield responses to long-term substitution of chemical fertilizer by organic manure in a rice–rice cropping system · Sankore