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)
![Joshua Ondura Ogendo](https://cdn.adscientificindex.com/pictures/ba/4991461.jpg)
bioprospecting for botanical pesticides
orphan and underutilized crops
postharvest waste and loss reduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
![Josephine P Ouma](https://cdn.adscientificindex.com/pictures/02/100465.jpg)
Agronomy
Crop physiology
tissue culture
cropping systems
soil fertility management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
Joshua Ondura Ogendo
Egerton University
Njoro, Kenya
![Kenya](/flags/ke.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
bioprospecting for botanical pesticides
orphan and underutilized crops
postharvest waste and loss reduction
Josephine P Ouma
Egerton University
Njoro, Kenya
![Kenya](/flags/ke.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
Agronomy
Crop physiology
tissue culture
cropping systems
soil fertility management