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
544,232
Country Rank
3,039
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/15654.png)
![South Africa](/flags/za.png)
![Tonna A. Anyasi](/pictures/00/4428656.jpg)
Food and Agro-Processing
Plant Bioactives
Carbohydrate Polymers
Postharvest Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
* Total i10 Index Rankings
World Rank
1,979,119
Country Rank
16,248
Institution Rank : 85
![](https://cdn.adscientificindex.com/logos/15664.png)
![South Africa](/flags/za.png)
![Matume Maxwell Maila](/pictures/4c/5268126.jpg)
Food and Nutrition Security
Climate Change
Inequality
Sustainable agricultural development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
World Ranking
544,232
Country Ranking
3,039
Institution Ranking
19
Tonna A. Anyasi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
![](https://cdn.adscientificindex.com/logos/15654.png)
Food and Agro-Processing
Plant Bioactives
Carbohydrate Polymers
Postharvest Technology
* Total i10 Index Rankings
World Ranking
1,979,119
Country Ranking
16,248
Institution Ranking
85
Matume Maxwell Maila
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/15664.png)
Food and Nutrition Security
Climate Change
Inequality
Sustainable agricultural development