Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
217,090
Country Rank
4,407
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/17276.jpg)
![Japan](/flags/jp.png)
![Rota Wagai](https://cdn.adscientificindex.com/pictures/f3/4406677.jpg)
Soil organic matter
Soil science
Biogeochemistry
Ecosystem Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,584
2,854
0.623
* Total Citation Counts Rankings
World Rank
629,880
Country Rank
18,740
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/3596.png)
![India](/flags/in.png)
![Vennila Alagarsamy](/pictures/4b/406482.jpg)
Soil science
Sugarcane
Aquatic pollution
Mangrove ecosystem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,112
848
0.763
* Total Citation Counts Rankings
World Rank
1,306,572
Country Rank
8,664
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/24357.png)
![Belgium](/flags/be.png)
![Ali Mehmandoost Kotlar](/pictures/9b/5211495.jpg)
Sustainability
Corporate Sustainability
Environmental Systems
ESG
Soil & Water
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
131
0.985
* Total Citation Counts Rankings
World Ranking
217,090
Country Ranking
4,407
Institution Ranking
5
Rota Wagai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,584
2,854
0.623
![](https://cdn.adscientificindex.com/logos/17276.jpg)
Soil organic matter
Soil science
Biogeochemistry
Ecosystem Ecology
* Total Citation Counts Rankings
World Ranking
629,880
Country Ranking
18,740
Institution Ranking
22
Vennila Alagarsamy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,112
848
0.763
![](https://cdn.adscientificindex.com/logos/3596.png)
Soil science
Sugarcane
Aquatic pollution
Mangrove ecosystem
* Total Citation Counts Rankings
World Ranking
1,306,572
Country Ranking
8,664
Institution Ranking
40
Ali Mehmandoost Kotlar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
131
0.985
![](https://cdn.adscientificindex.com/logos/24357.png)
Sustainability
Corporate Sustainability
Environmental Systems
ESG
Soil & Water