Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
1,190,301
Country Rank
14,075
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/12435.png)
![Nigeria](/flags/ng.png)
![Ajayi Stanley](/pictures/92/3874134.jpg)
Soil and water engineering
Irrigation and drainage engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 Index Rankings
World Rank
1,410,190
Country Rank
20,085
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/12435.png)
![Nigeria](/flags/ng.png)
![Yusuf Kamaldeen Ayinla](/pictures/56/4309603.jpg)
Agricultural Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 Index Rankings
World Ranking
1,190,301
Country Ranking
14,075
Institution Ranking
2
Ajayi Stanley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
![](https://cdn.adscientificindex.com/logos/12435.png)
Soil and water engineering
Irrigation and drainage engineering
* Total i10 Index Rankings
World Ranking
1,410,190
Country Ranking
20,085
Institution Ranking
4
Yusuf Kamaldeen Ayinla
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
![](https://cdn.adscientificindex.com/logos/12435.png)
Agricultural Engineering