Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Francis Mathooko](https://cdn.adscientificindex.com/pictures/e1/97791.jpg)
Agriculture
Agribusiness
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Doughlas Shitanda](https://cdn.adscientificindex.com/pictures/50/5112218.jpg)
Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Marther Ngigi](https://cdn.adscientificindex.com/pictures/ea/93413.jpg)
Technology Adoption
Gender (women & youth)
Food Security
Food Systems
CSA Technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Elijah Muange](https://cdn.adscientificindex.com/pictures/de/5013626.jpg)
Agricultural Economics and Rural Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Justus M. Kavoi](https://cdn.adscientificindex.com/pictures/92/5830847.jpg)
Agricultural Extension
Agricultural Innovation Systems
Sustainable livelihoods
Rural Community Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
1
0.167
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Daniel Mwangi Mureithi](/user/assets/images/profile/no-profile-photo.png)
Horticultural production and crop protection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Evans Mwenda](https://cdn.adscientificindex.com/pictures/02/5830864.jpg)
AGRICULTURE
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Nancy W. Chege](https://cdn.adscientificindex.com/pictures/ca/5830863.jpg)
Agricultural education and extension
Research methods
Agricultural Rural innovations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Francis Mathooko
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
Doughlas Shitanda
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
Marther Ngigi
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
Technology Adoption
Gender (women & youth)
Food Security
Food Systems
CSA Technologies
Elijah Muange
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
Agricultural Economics and Rural Development
Justus M. Kavoi
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
1
0.167
Agricultural Extension
Agricultural Innovation Systems
Sustainable livelihoods
Rural Community Development
Daniel Mwangi Mureithi
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Horticultural production and crop protection
Evans Mwenda
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Nancy W. Chege
Machakos University
Machakos, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Agricultural education and extension
Research methods
Agricultural Rural innovations