Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Justice Nyamangara](https://cdn.adscientificindex.com/pictures/c6/5009134.jpg)
Agriculture
Environment
Plant Sciences
Forestry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
65
0.722
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Paul Mapfumo](https://cdn.adscientificindex.com/pictures/76/4992255.jpg)
environmental
agronomy and agricultural sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
60
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Regis Chikowo](/user/assets/images/profile/no-profile-photo.png)
Agroecology
Agronomy
Soil science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
51
0.836
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Walter Mupangwa](https://cdn.adscientificindex.com/pictures/09/5274938.jpg)
Agrometeorology
Climate Sciences
Farming Systems
Agroecology
Multi-functional landscapes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
42
0.737
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Florence Mtambanengwe](https://cdn.adscientificindex.com/pictures/4b/97715.jpg)
Soil fertility management
C and N cycling
Biological nitrogen fixation
Climate change adaptation
Farming systems analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
* Total i10 IndexRankings
Ranking Based On Selection: 6
![George Nyamadzawo](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Phillip Nyamugafata](/user/assets/images/profile/no-profile-photo.png)
soil science
soil and water management
agronomy
environmental science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
30
0.769
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Menas Wuta](https://cdn.adscientificindex.com/pictures/dc/93691.jpg)
Soil Science
Agronomy
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
29
0.806
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Arnold Mashingaidze](https://cdn.adscientificindex.com/pictures/73/104258.jpg)
Integrated weed management
weed biology and ecology
herbicide physiology and biochemistry
stress physiology and adaptation of plants to stress
systems agronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Never Assan](https://cdn.adscientificindex.com/pictures/fa/4375401.jpg)
Sustainable Livestock Systems : Nexus-Gender
IKS
Climate Change & Smallholder Animal Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Edmore Gasura](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Walter Chambati](/user/assets/images/profile/no-profile-photo.png)
Land and agrarian questions
Africa
labour
agriculture
food security
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Obert Jiri](https://cdn.adscientificindex.com/pictures/e8/96038.jpg)
Agronomy
Climate change adaptation
nutrient cycling
soil fertility
farming systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Kefasi Nyikahadzoi](/user/assets/images/profile/no-profile-photo.png)
Agro-ecological systems
natural resources management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
11
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Mcebisi Maphosa](/user/assets/images/profile/no-profile-photo.png)
Plant Breeding & Genetics
Biotechnology
Seed Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Hatirarami Nezomba](https://cdn.adscientificindex.com/pictures/5d/98880.jpg)
Soil Fertility Management
Land management
Agroecology
Cropping Systems Agronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Luke Jimu](/user/assets/images/profile/no-profile-photo.png)
Forest Pathology
Forestry
Agroforestry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
10
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Ezekia Svotwa](https://cdn.adscientificindex.com/pictures/60/4316092.jpg)
WEATHER
CLIMATE AND AGRICULTURE
REMOTE SENSING APPLICATIONS ON AGRICULTURE
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Emmanuel Mwakiwa](https://cdn.adscientificindex.com/pictures/01/97096.jpg)
Agricultural Economics
Environmental and Resource Economics
Rural Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Bernard Chazovachii](https://cdn.adscientificindex.com/pictures/aa/105016.jpg)
rural and urban livelihoods
smallholder irrigation agriculture
project planning and management
monitoring and evaluation
rur
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Tendayi Maravanyika](https://cdn.adscientificindex.com/pictures/0d/4316108.jpg)
Agriculture
Natural Resources Management
Gender
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Pepukai Manjeru](/user/assets/images/profile/no-profile-photo.png)
plant breeding
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 23
![James Chitamba](https://cdn.adscientificindex.com/pictures/3d/4452603.jpg)
Entomomology
Nematology
Agronomy
Horticulture
Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
8
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Elizabeth Ngadze](/user/assets/images/profile/no-profile-photo.png)
Plant Pathology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Lighton Dube](https://cdn.adscientificindex.com/pictures/96/4316098.jpg)
Agricultural Economics
Agribusiness
International Business
Rural Develolopment
Monitoring & Evaluation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Justice Nyamangara
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
65
0.722
Agriculture
Environment
Plant Sciences
Forestry
Paul Mapfumo
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
60
0.714
environmental
agronomy and agricultural sciences
Regis Chikowo
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
51
0.836
Agroecology
Agronomy
Soil science
Walter Mupangwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
42
0.737
Agrometeorology
Climate Sciences
Farming Systems
Agroecology
Multi-functional landscapes
Florence Mtambanengwe
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
41
0.804
Soil fertility management
C and N cycling
Biological nitrogen fixation
Climate change adaptation
Farming systems analysis
George Nyamadzawo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
Phillip Nyamugafata
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
30
0.769
soil science
soil and water management
agronomy
environmental science
Menas Wuta
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
29
0.806
Soil Science
Agronomy
Environmental Science
Arnold Mashingaidze
Chinhoyi University of Technology
Chinhoyi, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
Integrated weed management
weed biology and ecology
herbicide physiology and biochemistry
stress physiology and adaptation of plants to stress
systems agronomy
Never Assan
Zimbabwe Open University
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
Sustainable Livestock Systems : Nexus-Gender
IKS
Climate Change & Smallholder Animal Agriculture
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Edmore Gasura
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
Walter Chambati
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
Land and agrarian questions
Africa
labour
agriculture
food security
Obert Jiri
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
Agronomy
Climate change adaptation
nutrient cycling
soil fertility
farming systems
Kefasi Nyikahadzoi
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
11
0.500
Agro-ecological systems
natural resources management
Mcebisi Maphosa
Lupane State University
Lupane, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
Plant Breeding & Genetics
Biotechnology
Seed Science
Hatirarami Nezomba
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
Soil Fertility Management
Land management
Agroecology
Cropping Systems Agronomy
Luke Jimu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
10
0.500
Forest Pathology
Forestry
Agroforestry
Ezekia Svotwa
Chinhoyi University of Technology
Chinhoyi, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
WEATHER
CLIMATE AND AGRICULTURE
REMOTE SENSING APPLICATIONS ON AGRICULTURE
Emmanuel Mwakiwa
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
Agricultural Economics
Environmental and Resource Economics
Rural Development
Bernard Chazovachii
Great Zimbabwe University
Masvingo, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
rural and urban livelihoods
smallholder irrigation agriculture
project planning and management
monitoring and evaluation
rur
Tendayi Maravanyika
Great Zimbabwe University
Masvingo, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
Agriculture
Natural Resources Management
Gender
Pepukai Manjeru
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
James Chitamba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
8
0.571
Entomomology
Nematology
Agronomy
Horticulture
Physiology
Elizabeth Ngadze
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Lighton Dube
Zimbabwe Open University
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Agricultural Economics
Agribusiness
International Business
Rural Develolopment
Monitoring & Evaluation