Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Plant Science
Agriculture
Food Science
Human Nutrition
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,144
9,100
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :2
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
3,789
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :3
Soil Science
Soil Physics
Soil Biophysics
Soil Management and Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,776
2,907
0.374
* Total Citation Counts Rankings
Ranking Based On Selection :4
weed science
environmental science
soil science
agronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,361
2,790
0.379
* Total Citation Counts Rankings
Ranking Based On Selection :5
Beneficical plant microbe interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,299
3,583
0.491
* Total Citation Counts Rankings
Ranking Based On Selection :6
Plant Breeding and Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,271
2,715
0.373
* Total Citation Counts Rankings
Ranking Based On Selection :7
Wheat Breeding
Wheat Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,662
4,605
0.691
* Total Citation Counts Rankings
Ranking Based On Selection :8
Nano drugs delivery
Extraction
Inustrumentation
Nuclear Pharmacy
soft drinks analysis and water purification
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
4,034
0.615
* Total Citation Counts Rankings
Ranking Based On Selection :9
Soil Physics
Soil Health
Hydrology and Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,076
4,969
0.818
* Total Citation Counts Rankings
Ranking Based On Selection :10
Plant Stress Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,887
1,570
0.267
* Total Citation Counts Rankings
Ranking Based On Selection :11
Agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,754
2,124
0.369
* Total Citation Counts Rankings
Ranking Based On Selection :12
process engineering for food
biofuels and other bioproducts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,985
1,725
0.346
* Total Citation Counts Rankings
Ranking Based On Selection :13
Agricultural Engineering
Biomass Conversion
Food Processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,793
3,426
0.715
* Total Citation Counts Rankings
Ranking Based On Selection :14
Plant Biology
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,374
1,806
0.413
* Total Citation Counts Rankings
Ranking Based On Selection :15
Plant Physiological Ecology
Ecosystem Ecology
Grasslands
Arctic Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,193
1,653
0.394
* Total Citation Counts Rankings
Ranking Based On Selection :16
Soil Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,138
1,839
0.444
* Total Citation Counts Rankings
Ranking Based On Selection :17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,751
844
0.225
* Total Citation Counts Rankings
Ranking Based On Selection :18
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,593
861
0.240
* Total Citation Counts Rankings
Ranking Based On Selection :19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,571
2,265
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :20
Quantitative Genetics
Computational Statistics
Computational Genetics
Plant Breeding
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,021
986
0.326
* Total Citation Counts Rankings
Ranking Based On Selection :21
Plant Genetics
plant Breeding
genomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,903
725
0.250
* Total Citation Counts Rankings
Ranking Based On Selection :22
Plant Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,565
1,191
0.464
* Total Citation Counts Rankings
Ranking Based On Selection :23
Dairy Cattle Nutrition and Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,301
1,681
0.731
* Total Citation Counts Rankings
Ranking Based On Selection :24
irrigation
subsurface drainage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,272
762
0.335
* Total Citation Counts Rankings
Ranking Based On Selection :25
Agriculture
Molecular Breeding
Genetics
Genomics
Cytogenetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,260
1,370
0.606
Kalidas Shetty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,144
9,100
0.377
Plant Science
Agriculture
Food Science
Human Nutrition
Public Health
David Clay
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
3,789
0.451
Thomas E Schumacher
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,776
2,907
0.374
Soil Science
Soil Physics
Soil Biophysics
Soil Management and Conservation
Sharon Clay
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,361
2,790
0.379
weed science
environmental science
soil science
agronomy
Heike Bucking
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,299
3,583
0.491
Beneficical plant microbe interactions
Santosh Sharma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,271
2,715
0.373
Sunish Sehgal
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,662
4,605
0.691
Mukhlesur Rahman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,560
4,034
0.615
Nano drugs delivery
Extraction
Inustrumentation
Nuclear Pharmacy
soft drinks analysis and water purification
Sandeep Kumar
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,076
4,969
0.818
Soil Physics
Soil Health
Hydrology and Modeling
Yajun Wu
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,887
1,570
0.267
Joel Ransom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,754
2,124
0.369
Dennis Wiesenborn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,985
1,725
0.346
process engineering for food
biofuels and other bioproducts
Lin Wei
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,793
3,426
0.715
Agricultural Engineering
Biomass Conversion
Food Processing
Senthil Subramanian
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,374
1,806
0.413
A Joshua Leffler
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,193
1,653
0.394
Plant Physiological Ecology
Ecosystem Ecology
Grasslands
Arctic Systems
Douglas Malo
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,138
1,839
0.444
David S Buchanan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,751
844
0.225
Marc L Bauer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,593
861
0.240
Juan M Osorno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,571
2,265
0.634
Jixiang Wu
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,021
986
0.326
Quantitative Genetics
Computational Statistics
Computational Genetics
Plant Breeding
Biostatistics
Jose L Gonzalez Hernandez
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,903
725
0.250
Plant Genetics
plant Breeding
genomics
Ajay Kumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,565
1,191
0.464
Johan Osorio
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,301
1,681
0.731
Dairy Cattle Nutrition and Physiology
Todd Trooien
South Dakota State University
Brookings, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,272
762
0.335
Xianwen Zhu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,260
1,370
0.606
Agriculture
Molecular Breeding
Genetics
Genomics
Cytogenetics