Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 30 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Soil hydraulics and plant nutritio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,559
1,006
0.645
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Horticulture
Agronom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,344
675
0.502
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Legume value chain
Economics of Sustainable Land Management
agricultural marketing
food security
agricultural policy analys
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,279
739
0.578
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Food and Health
Food Chemistry
Nutritional Biochemistry
Food Science
Food Dehydratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,277
1,221
0.956
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Irrigation water management
soil and water conservation
hydrology
climate change
hydropower an
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,165
1,121
0.962
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Animal Scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,068
640
0.599
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Animal Breeding
Genetics
Genomics
Bionformatics
Biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
754
730
0.968
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Agricultural economics
Food security
Agricultural marketing
Climate change
and Natural resources managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
733
545
0.744
* Total Citation Counts Rankings
Ranking Based On Selection: 9
soil microbiology
biofertilizers
bioremediation
biological nitrogen fixation
sustainable agricultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
500
418
0.836
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Forest management
forest modelling
forest inventory
forest harvestin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
347
0.764
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Fish Genetics
Systematics and Biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
141
0.600
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Fisheries
Development Studies
Impact Evaluation
Climate Change
Econometric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
198
0.876
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Technology adoption
Impact assessment
Efficiency and productivity analysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
178
0.791
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Food scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
194
0.886
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Economics and Statistics
Natural Resource management
Applied Econometric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
209
58
0.278
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Climate change and Risk management
Forest-people-climate change nexus
Climate modeling
GIS and Remote Sensing Application
a
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
203
196
0.966
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Spatial Epidemiology
Bayesian Statistics
One Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191
153
0.801
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Agricultural Marketing
Resource Economics and International Trade
Macroeconomic Polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
161
0.847
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Pollinator bioinformatics
insect pathology
integrated pest management
hermetic storag
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186
165
0.887
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Animal Nutrition
Aquaculture Nutritio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
120
0.876
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Cowpea Breeding and quantitative genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130
90
0.692
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Fisheries Science and Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113
78
0.690
* Total Citation Counts Rankings
Ranking Based On Selection: 23
knowledge managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
31
0.310
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Respect & Professional Prosperit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96
32
0.333
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Accounting
Finance
Food & Resource Economics
Livelihood Improvemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89
60
0.674
* Total Citation Counts Rankings
Rankings
547,800
23
1
Ranking Based On Selection: 1
Joseph G Chimungu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,559
1,006
0.645
Soil hydraulics and plant nutritio
* Total Citation Counts Rankings
Rankings
599,755
29
2
Ranking Based On Selection: 2
Simon A. Mng'omba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,344
675
0.502
* Total Citation Counts Rankings
Rankings
617,257
32
3
Ranking Based On Selection: 3
Lawrence D Mapemba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,279
739
0.578
Legume value chain
Economics of Sustainable Land Management
agricultural marketing
food security
agricultural policy analys
* Total Citation Counts Rankings
Rankings
617,712
33
4
Ranking Based On Selection: 4
Smith G. Nkhata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,277
1,221
0.956
Food and Health
Food Chemistry
Nutritional Biochemistry
Food Science
Food Dehydratio
* Total Citation Counts Rankings
Rankings
650,629
38
5
Ranking Based On Selection: 5
Evance Chaima
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,165
1,121
0.962
Irrigation water management
soil and water conservation
hydrology
climate change
hydropower an
* Total Citation Counts Rankings
Rankings
682,089
42
6
Ranking Based On Selection: 6
Timothy Gondwe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,068
640
0.599
* Total Citation Counts Rankings
Rankings
805,961
53
7
Ranking Based On Selection: 7
Wilson Nandolo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
754
730
0.968
Animal Breeding
Genetics
Genomics
Bionformatics
Biostatistic
* Total Citation Counts Rankings
Rankings
815,882
56
8
Ranking Based On Selection: 8
Samson Pilanazo Katengeza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
733
545
0.744
Agricultural economics
Food security
Agricultural marketing
Climate change
and Natural resources managemen
* Total Citation Counts Rankings
Rankings
958,664
70
9
Ranking Based On Selection: 9
Keston Njira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
500
418
0.836
soil microbiology
biofertilizers
bioremediation
biological nitrogen fixation
sustainable agricultur
* Total Citation Counts Rankings
Rankings
999,184
77
10
Ranking Based On Selection: 10
Daud Jones Kachamba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
454
347
0.764
Forest management
forest modelling
forest inventory
forest harvestin
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* Total Citation Counts Rankings
Rankings
1,290,000
107
11
Ranking Based On Selection: 11
Wilson Jere
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
141
0.600
Fish Genetics
Systematics and Biostatistic
* Total Citation Counts Rankings
Rankings
1,308,663
110
12
Ranking Based On Selection: 12
Moses Limuwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
226
198
0.876
Fisheries
Development Studies
Impact Evaluation
Climate Change
Econometric
* Total Citation Counts Rankings
Rankings
1,311,085
111
13
Ranking Based On Selection: 13
Robertson Rb Khataza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
178
0.791
Technology adoption
Impact assessment
Efficiency and productivity analysi
* Total Citation Counts Rankings
Rankings
1,324,103
113
14
Ranking Based On Selection: 14
Aggrey Gama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
194
0.886
* Total Citation Counts Rankings
Rankings
1,348,509
117
15
Ranking Based On Selection: 15
Charles Jumbe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
209
58
0.278
Economics and Statistics
Natural Resource management
Applied Econometric
* Total Citation Counts Rankings
Rankings
1,361,591
121
16
Ranking Based On Selection: 16
Harold Chisale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
203
196
0.966
Climate change and Risk management
Forest-people-climate change nexus
Climate modeling
GIS and Remote Sensing Application
a
* Total Citation Counts Rankings
Rankings
1,394,020
128
17
Ranking Based On Selection: 17
Alfred Ngwira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191
153
0.801
Spatial Epidemiology
Bayesian Statistics
One Healt
* Total Citation Counts Rankings
Rankings
1,396,629
131
18
Ranking Based On Selection: 18
Abule Mehare
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
161
0.847
Agricultural Marketing
Resource Economics and International Trade
Macroeconomic Polic
* Total Citation Counts Rankings
Rankings
1,407,676
135
19
Ranking Based On Selection: 19
Trust Kasambala Donga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186
165
0.887
Pollinator bioinformatics
insect pathology
integrated pest management
hermetic storag
* Total Citation Counts Rankings
Rankings
1,566,956
157
20
Ranking Based On Selection: 20
Ss Mosha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137
120
0.876
Animal Nutrition
Aquaculture Nutritio
* Total Citation Counts Rankings
Rankings
1,594,804
163
21
Ranking Based On Selection: 21
Michael M Chipeta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
130
90
0.692
Cowpea Breeding and quantitative genetic
* Total Citation Counts Rankings
Rankings
1,665,233
171
22
Ranking Based On Selection: 22
Mwamad Salim M'balaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113
78
0.690
* Total Citation Counts Rankings
Rankings
1,726,474
175
23
Ranking Based On Selection: 23
Geoffrey Francis Salanje
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
31
0.310
* Total Citation Counts Rankings
Rankings
1,746,460
178
24
Ranking Based On Selection: 24
Joseph Chidanti-Malunga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
96
32
0.333
* Total Citation Counts Rankings
Rankings
1,781,387
185
25
Ranking Based On Selection: 25
Bonet Chikhawo Kamwana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89
60
0.674
Accounting
Finance
Food & Resource Economics
Livelihood Improvemen