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
irrigation
evapotranspiration
remote sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,402
39,728
0.404
* Total Citation Counts Rankings
Ranking Based On Selection :2
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
Ranking Based On Selection :3
sustainable agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,620
44,184
0.510
* Total Citation Counts Rankings
Ranking Based On Selection :4
agroforestry
ecology
biogeography
biodiversity
climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,384
58,194
0.682
* Total Citation Counts Rankings
Ranking Based On Selection :5
de novo assembly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,952
51,792
0.610
* Total Citation Counts Rankings
Ranking Based On Selection :6
Agricultural water management
evapotranspiration
crop water requirements
water scarcity
drought
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,815
32,750
0.410
* Total Citation Counts Rankings
Ranking Based On Selection :7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,691
16,371
0.245
* Total Citation Counts Rankings
Ranking Based On Selection :8
smallholder farmers
systems agronomy
tropical farming systems
tropical legumes
nitrogen fixation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,246
27,031
0.421
* Total Citation Counts Rankings
Ranking Based On Selection :9
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
Ranking Based On Selection :10
Agronômica
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,362
29,773
0.485
* Total Citation Counts Rankings
Ranking Based On Selection :11
grassland ecology
remote sensing
regional analysis
ecosystem ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,861
21,370
0.351
* Total Citation Counts Rankings
Ranking Based On Selection :12
Bio-organic fertilizers and soil microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,970
43,373
0.723
* Total Citation Counts Rankings
Ranking Based On Selection :13
plants evolution phylogeny biogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,620
14,913
0.250
* Total Citation Counts Rankings
Ranking Based On Selection :14
Agriculture
Agronomy and Crop Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,684
39,868
0.691
* Total Citation Counts Rankings
Ranking Based On Selection :15
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
Ranking Based On Selection :16
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
Ranking Based On Selection :17
Zoonosis
Parasitology
One Health
Emerging Infectious Diseases
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,091
19,365
0.365
* Total Citation Counts Rankings
Ranking Based On Selection :18
Agro-Ecology
Land use
Biodiversity
Conservation
Assessments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,106
30,143
0.578
* Total Citation Counts Rankings
Ranking Based On Selection :19
Crop modeling
Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,556
32,692
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :20
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
Ranking Based On Selection :21
agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,074
27,714
0.553
* Total Citation Counts Rankings
Ranking Based On Selection :22
insects
agriculture
physiology
biocontrol
RNAi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,805
25,996
0.555
* Total Citation Counts Rankings
Ranking Based On Selection :23
Dryland agriculture
drought resistance
water use efficiency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,707
13,471
0.295
* Total Citation Counts Rankings
Ranking Based On Selection :24
Food Nanotechnology
Nanoencapsulation
Nanoemulsions
Nano-delivery systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,161
39,145
0.867
* Total Citation Counts Rankings
Ranking Based On Selection :25
agroecology
climate change
agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,372
23,540
0.531
Richard Allen
University of Idaho
Moscow, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,402
39,728
0.404
irrigation
evapotranspiration
remote sensing
Jeffrey G Arnold
US Department of Agriculture
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,654
36,698
0.414
Water Resources
Water Quality
Watershed Modeling
Johan Six
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,620
44,184
0.510
Kindt, Roeland
World Agroforestry (ICRAF)
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,384
58,194
0.682
agroforestry
ecology
biogeography
biodiversity
climate change
Jue Ruan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,952
51,792
0.610
Luis Santos Pereira
Universidade de Lisboa
Lisbon, Portugal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,815
32,750
0.410
Agricultural water management
evapotranspiration
crop water requirements
water scarcity
drought
Andrew Sharpley
University of Arkansas Fayetteville
Fayetteville, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,691
16,371
0.245
Ken E Giller
Wageningen University & Research Centre
Wageningen, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,246
27,031
0.421
smallholder farmers
systems agronomy
tropical farming systems
tropical legumes
nitrogen fixation
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.
Beatriz De Nadai Gasparini
Universidade Federal de São Carlos
Santarém, Brazil
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,362
29,773
0.485
José Paruelo
Universidad de Buenos Aires
Buenos Aires, Argentina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,861
21,370
0.351
grassland ecology
remote sensing
regional analysis
ecosystem ecology
Qirong Shen
Nanjing Agricultural University
Nanjing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,970
43,373
0.723
Bio-organic fertilizers and soil microbiology
Michael Donoghue
Yale University
New Haven, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,620
14,913
0.250
plants evolution phylogeny biogeography
Kadambot HM Siddique
University of Western Australia
Crawley, Australia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,684
39,868
0.691
Agriculture
Agronomy and Crop Science
Eric Vermote
NASA Ames Research Center
California, United States
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
Washington University Saint Louis
St. Louis, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,815
19,138
0.349
plants
ubiquitin
autophagy
photomorphogenesis
phytochrome
Lihua Xiao
South China Agricultural University
Guangzhou, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,091
19,365
0.365
Zoonosis
Parasitology
One Health
Emerging Infectious Diseases
Microbiology
Josef Settele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,106
30,143
0.578
Agro-Ecology
Land use
Biodiversity
Conservation
Assessments
Yan Zhu
Nanjing Agricultural University
Nanjing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,556
32,692
0.634
Andy Jarvis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,969
23,494
0.461
Agriculture
climate change
genetic resources
Philip Thornton
International Livestock Research Institute (ILRI)
Addis Ababa, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,074
27,714
0.553
Guy Smagghe
Ghent University
Ghent, Belgium
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,805
25,996
0.555
insects
agriculture
physiology
biocontrol
RNAi
Neil C Turner
University of Western Australia
Crawley, Australia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,707
13,471
0.295
Dryland agriculture
drought resistance
water use efficiency
Seid Mahdi Jafari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,161
39,145
0.867
Food Nanotechnology
Nanoencapsulation
Nanoemulsions
Nano-delivery systems
Jørgen E Olesen
Aarhus University
Aarhus, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,372
23,540
0.531
agroecology
climate change
agriculture