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
45,820
Country Rank
1,983
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Steven D Siciliano](https://cdn.adscientificindex.com/pictures/69/642260.jpg)
Soil Science
Toxicology
Polar Soils
Remediation
Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,896
6,366
0.356
* Total Citation Counts Rankings
World Rank
60,146
Country Rank
2,633
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![James J Germida](https://cdn.adscientificindex.com/pictures/67/642647.jpg)
plant-microbe interactions
soil microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,595
4,675
0.320
* Total Citation Counts Rankings
World Rank
60,425
Country Rank
2,649
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Adl Sm](https://cdn.adscientificindex.com/pictures/07/649785.jpg)
Soil ecology
protistology
microbial ecology
nomenclature
biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,543
6,970
0.479
* Total Citation Counts Rankings
World Rank
66,306
Country Rank
2,914
Institution Rank : 49
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Jeff Schoenau](https://cdn.adscientificindex.com/pictures/90/644122.jpg)
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,550
5,047
0.372
* Total Citation Counts Rankings
World Rank
103,203
Country Rank
4,608
Institution Rank : 86
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Bing Cheng Si](https://cdn.adscientificindex.com/pictures/94/645090.jpg)
Soil Physics
Ecohydrology
Spatial variability
Land reclamation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,370
5,843
0.624
* Total Citation Counts Rankings
World Rank
111,161
Country Rank
4,952
Institution Rank : 96
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Dan Pennock](/user/assets/images/profile/no-profile-photo.png)
Soil science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,780
3,591
0.409
* Total Citation Counts Rankings
World Rank
177,772
Country Rank
7,642
Institution Rank : 157
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Richard E Farrell](/user/assets/images/profile/no-profile-photo.png)
soil science
greenhouse gases
nitrous oxide
phytoremediation
biodegradation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,639
1,836
0.326
* Total Citation Counts Rankings
World Rank
345,015
Country Rank
13,936
Institution Rank : 304
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Bobbi Helgason](https://cdn.adscientificindex.com/pictures/52/653627.jpg)
Soil Microbial Ecology
Agroecosystems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,686
1,740
0.648
* Total Citation Counts Rankings
World Rank
438,843
Country Rank
16,975
Institution Rank : 386
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Subrata Karmakar](/pictures/e3/658526.jpg)
Soil tillage
Conservation Agriculture
Soil Dynamics
Modeling
Biodiesel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,953
829
0.424
* Total Citation Counts Rankings
World Rank
614,101
Country Rank
22,161
Institution Rank : 532
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Melissa Arcand](/pictures/67/664055.jpg)
Soil science
Stable isotopes
Agronomy
Soil biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,162
792
0.682
* Total Citation Counts Rankings
World Rank
683,653
Country Rank
24,077
Institution Rank : 578
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Ryan Hangs](https://cdn.adscientificindex.com/pictures/b7/657409.jpg)
soil nutrient dynamics
nutrient budgets
SRC willow agronomy
biochar amendments
GHG emissions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
958
421
0.439
* Total Citation Counts Rankings
World Rank
820,228
Country Rank
27,607
Institution Rank : 681
![](https://cdn.adscientificindex.com/logos/11346.jpg)
![Canada](/flags/ca.png)
![Gurbir Singh Dhillon](/user/assets/images/profile/no-profile-photo.png)
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
650
436
0.671
* Total Citation Counts Rankings
World Ranking
45,820
Country Ranking
1,983
Institution Ranking
25
Steven D Siciliano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,896
6,366
0.356
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil Science
Toxicology
Polar Soils
Remediation
Climate Change
* Total Citation Counts Rankings
World Ranking
60,146
Country Ranking
2,633
Institution Ranking
43
James J Germida
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,595
4,675
0.320
![](https://cdn.adscientificindex.com/logos/11346.jpg)
plant-microbe interactions
soil microbiology
* Total Citation Counts Rankings
World Ranking
60,425
Country Ranking
2,649
Institution Ranking
44
Adl Sm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,543
6,970
0.479
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil ecology
protistology
microbial ecology
nomenclature
biodiversity
* Total Citation Counts Rankings
World Ranking
66,306
Country Ranking
2,914
Institution Ranking
49
Jeff Schoenau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,550
5,047
0.372
* Total Citation Counts Rankings
World Ranking
103,203
Country Ranking
4,608
Institution Ranking
86
Bing Cheng Si
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,370
5,843
0.624
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil Physics
Ecohydrology
Spatial variability
Land reclamation
* Total Citation Counts Rankings
World Ranking
111,161
Country Ranking
4,952
Institution Ranking
96
Dan Pennock
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,780
3,591
0.409
* Total Citation Counts Rankings
World Ranking
177,772
Country Ranking
7,642
Institution Ranking
157
Richard E Farrell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,639
1,836
0.326
![](https://cdn.adscientificindex.com/logos/11346.jpg)
soil science
greenhouse gases
nitrous oxide
phytoremediation
biodegradation
* Total Citation Counts Rankings
World Ranking
345,015
Country Ranking
13,936
Institution Ranking
304
Bobbi Helgason
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,686
1,740
0.648
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil Microbial Ecology
Agroecosystems
* Total Citation Counts Rankings
World Ranking
438,843
Country Ranking
16,975
Institution Ranking
386
Subrata Karmakar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,953
829
0.424
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil tillage
Conservation Agriculture
Soil Dynamics
Modeling
Biodiesel
* Total Citation Counts Rankings
World Ranking
614,101
Country Ranking
22,161
Institution Ranking
532
Melissa Arcand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,162
792
0.682
![](https://cdn.adscientificindex.com/logos/11346.jpg)
Soil science
Stable isotopes
Agronomy
Soil biogeochemistry
![Adscientificindex](/assets/images/banner_logo.png)
Click for INSTITUTIONAL BULK REGISTRATION and PREMIUM MEMBERSHIP advantages
![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
World Ranking
683,653
Country Ranking
24,077
Institution Ranking
578
Ryan Hangs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
958
421
0.439
![](https://cdn.adscientificindex.com/logos/11346.jpg)
soil nutrient dynamics
nutrient budgets
SRC willow agronomy
biochar amendments
GHG emissions
* Total Citation Counts Rankings
World Ranking
820,228
Country Ranking
27,607
Institution Ranking
681
Gurbir Singh Dhillon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
650
436
0.671