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
3,079
Country Rank
1,486
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/11074.jpg)
![United States](/flags/us.png)
![Richard Allen](https://cdn.adscientificindex.com/pictures/6d/1632225.jpg)
irrigation
evapotranspiration
remote sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,402
39,728
0.404
* Total Citation Counts Rankings
World Rank
3,765
Country Rank
1,805
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/15793.png)
![United States](/flags/us.png)
![Jeffrey G Arnold](/user/assets/images/profile/no-profile-photo.png)
Water Resources
Water Quality
Watershed Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,654
36,698
0.414
* Total Citation Counts Rankings
World Rank
6,080
Country Rank
2,896
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/10828.jpg)
![United States](/flags/us.png)
![Andrew Sharpley](https://cdn.adscientificindex.com/pictures/29/1730450.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,691
16,371
0.245
* Total Citation Counts Rankings
World Rank
6,552
Country Rank
252
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/16223.png)
![Canada](/flags/ca.png)
![Tim A Mcallister](https://cdn.adscientificindex.com/pictures/af/4412684.jpg)
strategies to improve livestock (beef) production
reduce its effects on the environment
and enhance on-farm food safety.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,705
28,217
0.443
* Total Citation Counts Rankings
World Rank
7,301
Country Rank
3,478
Institution Rank : 55
![](https://cdn.adscientificindex.com/logos/12060.jpg)
![United States](/flags/us.png)
![Michael Donoghue](https://cdn.adscientificindex.com/pictures/d6/939380.jpg)
plants evolution phylogeny biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,620
14,913
0.250
* Total Citation Counts Rankings
World Rank
7,696
Country Rank
3,678
Institution Rank : 10
![](/banners/ad-main.jpg)
![United States](/flags/us.png)
![Eric Vermote](https://cdn.adscientificindex.com/pictures/94/4395201.jpg)
Radiative transfer
Remote Sensing
Agriculture monitoring from Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,578
24,938
0.433
* Total Citation Counts Rankings
World Rank
8,371
Country Rank
4,005
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/11862.jpg)
![United States](/flags/us.png)
![Richard D Vierstra](https://cdn.adscientificindex.com/pictures/42/1358905.jpg)
plants
ubiquitin
autophagy
photomorphogenesis
phytochrome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,815
19,138
0.349
* Total Citation Counts Rankings
World Rank
9,375
Country Rank
4,501
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/18149.png)
![United States](/flags/us.png)
![Andy Jarvis](https://cdn.adscientificindex.com/pictures/7d/4375603.jpg)
Agriculture
climate change
genetic resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,969
23,494
0.461
* Total Citation Counts Rankings
World Rank
13,860
Country Rank
6,595
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/637.png)
![United States](/flags/us.png)
![Yoav Bashan](https://cdn.adscientificindex.com/pictures/e8/4989918.jpg)
Plant-bacteria interaction
Soil Microbiology
Environmental Biotechnology
mangrove
algal biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,949
14,143
0.354
* Total Citation Counts Rankings
World Rank
13,993
Country Rank
6,660
Institution Rank : 71
![](https://cdn.adscientificindex.com/logos/23831.png)
![United States](/flags/us.png)
![Jason D Hill](https://cdn.adscientificindex.com/pictures/68/4677255.jpg)
Agriculture
Air Quality
Biofuels
Food
Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,695
19,456
0.490
* Total Citation Counts Rankings
World Rank
16,002
Country Rank
7,566
Institution Rank : 57
![](https://cdn.adscientificindex.com/logos/6779.jpg)
![United States](/flags/us.png)
![JH Tumlinson](https://cdn.adscientificindex.com/pictures/5f/884946.jpg)
entomology
chemical ecology
biochemistry
insect behavior
analytical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,509
6,902
0.189
* Total Citation Counts Rankings
World Rank
17,078
Country Rank
8,050
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/7084.png)
![United States](/flags/us.png)
![Jin Rong Xu](https://cdn.adscientificindex.com/pictures/7c/1605220.jpg)
Fungal Genetics
Fungal Biology
Plant Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,023
15,230
0.435
* Total Citation Counts Rankings
World Rank
17,430
Country Rank
723
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/16223.png)
![Canada](/flags/ca.png)
![Denis Angers](https://cdn.adscientificindex.com/pictures/8e/4412685.jpg)
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,571
15,409
0.446
* Total Citation Counts Rankings
World Rank
17,606
Country Rank
8,272
Institution Rank : 89
![](https://cdn.adscientificindex.com/logos/11571.jpg)
![United States](/flags/us.png)
![Chris Kucharik](https://cdn.adscientificindex.com/pictures/00/1878494.jpg)
Agroecology
environmental biophysics
ecosystem modeling
biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,359
13,953
0.406
* Total Citation Counts Rankings
World Rank
18,163
Country Rank
8,527
Institution Rank : 103
![](https://cdn.adscientificindex.com/logos/23831.png)
![United States](/flags/us.png)
![Jane Glazebrook](/user/assets/images/profile/no-profile-photo.png)
Plant-Microbe Interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,631
8,494
0.253
* Total Citation Counts Rankings
World Rank
18,861
Country Rank
8,846
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/28725.png)
![United States](/flags/us.png)
![Claudia Ringler](/user/assets/images/profile/no-profile-photo.png)
Agriculture
Water
Climate Change
Developing Countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,793
18,085
0.551
* Total Citation Counts Rankings
World Rank
19,819
Country Rank
817
Institution Rank : 96
![](https://cdn.adscientificindex.com/logos/10873.jpg)
![Canada](/flags/ca.png)
![Murray B Isman](/user/assets/images/profile/no-profile-photo.png)
botanical insecticides
insect-plant chemical interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,807
12,054
0.379
* Total Citation Counts Rankings
World Rank
20,657
Country Rank
845
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/16223.png)
![Canada](/flags/ca.png)
![EG Gregorich](https://cdn.adscientificindex.com/pictures/49/4412686.jpg)
soil biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,018
10,038
0.324
* Total Citation Counts Rankings
World Rank
23,432
Country Rank
10,853
Institution Rank : 95
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Pkr Nair](https://cdn.adscientificindex.com/pictures/1a/1611062.jpg)
Agroforestry
Environment
Soil productivity
Sustainability
Integrated land-use
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,595
11,325
0.396
* Total Citation Counts Rankings
World Rank
23,884
Country Rank
11,048
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/1726.jpg)
![United States](/flags/us.png)
![Nathan D Mueller](https://cdn.adscientificindex.com/pictures/1c/910234.jpg)
agriculture
climate
food security
sustainability
food-energy-water nexus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,248
19,373
0.686
* Total Citation Counts Rankings
World Rank
24,043
Country Rank
11,114
Institution Rank : 97
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Cheryl Palm](/user/assets/images/profile/no-profile-photo.png)
tropical land use
agricultural intensification
soils
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,138
9,298
0.330
* Total Citation Counts Rankings
World Rank
24,283
Country Rank
11,221
Institution Rank : 142
![](https://cdn.adscientificindex.com/logos/23831.png)
![United States](/flags/us.png)
![James Anderson](https://cdn.adscientificindex.com/pictures/31/4679052.jpg)
Plant Breeding & Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,947
8,857
0.317
* Total Citation Counts Rankings
World Rank
25,235
Country Rank
11,645
Institution Rank : 112
![](https://cdn.adscientificindex.com/logos/10889.jpg)
![United States](/flags/us.png)
![Louise E Jackson](/user/assets/images/profile/no-profile-photo.png)
agrobiodiversity
soil biology
agricultural landscapes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,222
12,363
0.454
* Total Citation Counts Rankings
World Rank
26,244
Country Rank
1,076
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/16223.png)
![Canada](/flags/ca.png)
![Edward Topp](https://cdn.adscientificindex.com/pictures/2c/4412687.jpg)
antimicrobial resistance
sustainable agriculture
human and environmental health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,523
11,692
0.441
* Total Citation Counts Rankings
World Rank
26,297
Country Rank
12,104
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/4250.jpg)
![United States](/flags/us.png)
![David A Laird](https://cdn.adscientificindex.com/pictures/bb/1331110.jpg)
agriculture
soil science
clay mineralogy
biochar
renewable energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,488
11,888
0.449
Richard Allen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,402
39,728
0.404
irrigation
evapotranspiration
remote sensing
Jeffrey G Arnold
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,654
36,698
0.414
Water Resources
Water Quality
Watershed Modeling
Andrew Sharpley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,691
16,371
0.245
Tim A Mcallister
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,705
28,217
0.443
strategies to improve livestock (beef) production
reduce its effects on the environment
and enhance on-farm food safety.
Michael Donoghue
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,620
14,913
0.250
plants evolution phylogeny biogeography
Eric Vermote
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,578
24,938
0.433
Radiative transfer
Remote Sensing
Agriculture monitoring from Remote Sensing
Richard D Vierstra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,815
19,138
0.349
plants
ubiquitin
autophagy
photomorphogenesis
phytochrome
Andy Jarvis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,969
23,494
0.461
Agriculture
climate change
genetic resources
Yoav Bashan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,949
14,143
0.354
Plant-bacteria interaction
Soil Microbiology
Environmental Biotechnology
mangrove
algal biotechnology
Jason D Hill
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,695
19,456
0.490
Agriculture
Air Quality
Biofuels
Food
Sustainability
JH Tumlinson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,509
6,902
0.189
entomology
chemical ecology
biochemistry
insect behavior
analytical chemistry
Jin Rong Xu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,023
15,230
0.435
Fungal Genetics
Fungal Biology
Plant Pathology
Denis Angers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,571
15,409
0.446
Chris Kucharik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,359
13,953
0.406
Agroecology
environmental biophysics
ecosystem modeling
biogeochemistry
Jane Glazebrook
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,631
8,494
0.253
Claudia Ringler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,793
18,085
0.551
Agriculture
Water
Climate Change
Developing Countries
Murray B Isman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,807
12,054
0.379
botanical insecticides
insect-plant chemical interactions
EG Gregorich
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,018
10,038
0.324
Pkr Nair
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,595
11,325
0.396
Agroforestry
Environment
Soil productivity
Sustainability
Integrated land-use
Nathan D Mueller
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,248
19,373
0.686
agriculture
climate
food security
sustainability
food-energy-water nexus
Cheryl Palm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,138
9,298
0.330
tropical land use
agricultural intensification
soils
James Anderson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,947
8,857
0.317
Louise E Jackson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,222
12,363
0.454
agrobiodiversity
soil biology
agricultural landscapes
Edward Topp
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,523
11,692
0.441
antimicrobial resistance
sustainable agriculture
human and environmental health
David A Laird
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,488
11,888
0.449
agriculture
soil science
clay mineralogy
biochar
renewable energy