Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Civil Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
106
0.938
* Total i10 IndexRankings
Ranking Based On Selection :2
Post-Harvest Engineering
Drying Technology
Renewable Energy
Decarbonization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
53
0.964
* Total i10 IndexRankings
Ranking Based On Selection :3
Biochemistry
Nutritional Toxicology
Pharmacology
Epidemiology of Metabolic diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
33
0.660
* Total i10 IndexRankings
Ranking Based On Selection :4
Biochemistry
Chemoprevention
Nutrition and Natural Products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
32
0.681
* Total i10 IndexRankings
Ranking Based On Selection :5
Analytical Chemistry
Environmental Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
30
0.682
* Total i10 IndexRankings
Ranking Based On Selection :6
Nutrition and Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
* Total i10 IndexRankings
Ranking Based On Selection :7
Electrical Power and Machines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
22
0.629
* Total i10 IndexRankings
Ranking Based On Selection :8
Soil fertility
Nutrient management.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
11
0.344
* Total i10 IndexRankings
Ranking Based On Selection :9
Agribusiness management
smallholder agriculture
efficiency
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
* Total i10 IndexRankings
Ranking Based On Selection :10
Enhancing Dairy Potentials of Indigenous Ruminant Livestock
Sourcing of alternative feed stuffs for our local ruminant stock.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
14
0.467
* Total i10 IndexRankings
Ranking Based On Selection :11
Animal Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
9
0.310
* Total i10 IndexRankings
Ranking Based On Selection :12
Agricultural Communication
Agricultural Extension
Community Development
Gender issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
* Total i10 IndexRankings
Ranking Based On Selection :13
Food Microbiology and Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Total i10 IndexRankings
Ranking Based On Selection :14
Chemical Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
24
0.960
* Total i10 IndexRankings
Ranking Based On Selection :15
Accounting
Financial Management and Business Consultancy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
* Total i10 IndexRankings
Ranking Based On Selection :16
Animal Nutrition and Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
13
0.520
* Total i10 IndexRankings
Ranking Based On Selection :17
Water Treatment Process Engineering
Food Process System Engineering
Modelling and Numerical Simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
* Total i10 IndexRankings
Ranking Based On Selection :18
Process System Engineering
Integrated Process Design
Techno-Economic Process Assessment
Process Risk Analysis
Life-cycle Imp
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
* Total i10 IndexRankings
Ranking Based On Selection :19
Agribusiness
Entrepreneurship and Financial Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
* Total i10 IndexRankings
Ranking Based On Selection :20
Corporate & Financial Reporti
Information Technology
Taxation
Auditing
Forensic Accounting
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
Polymer composites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
* Total i10 IndexRankings
Ranking Based On Selection :22
Agricultural Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
* Total i10 IndexRankings
Ranking Based On Selection :23
Plant Genetics
Plant Breeding
Plant Science
Crop Modeling
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
11
0.478
* Total i10 IndexRankings
Ranking Based On Selection :24
Body composition
maternal and child health and nutrition
Dietary diversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
* Total i10 IndexRankings
Ranking Based On Selection :25
Environmental engineering
Modelling and Optimization
Chemical Kinetics
Wastewater treatment and
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Kennedy Onyelowe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
106
0.938
Ndukwu, Macmanus Chinenye|Ndukwu m.c, Chinenye N M, NM Chinenye
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
53
0.964
Post-Harvest Engineering
Drying Technology
Renewable Energy
Decarbonization
Anthony Cemaluk Egbuonu|C A.C. Egbuonu, A.C.C. Egbuonu, Cemaluk A.C.E.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
33
0.660
Biochemistry
Nutritional Toxicology
Pharmacology
Epidemiology of Metabolic diseases
Ifeoma I. Ijeh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
32
0.681
Biochemistry
Chemoprevention
Nutrition and Natural Products
Stevens Odoemelam
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
30
0.682
Analytical Chemistry
Environmental Chemistry
Okafor, Polycarp Nnacheta
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
Ogbonnaya Inya Okoro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
22
0.629
Electrical Power and Machines
Damian Asawalam
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
11
0.344
Soil fertility
Nutrient management.
Ifeanyi Ndubuto Nwachukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
Agribusiness management
smallholder agriculture
efficiency
climate change
Francis Ahamefule
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
14
0.467
Enhancing Dairy Potentials of Indigenous Ruminant Livestock
Sourcing of alternative feed stuffs for our local ruminant stock.
Udo Herbert
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
9
0.310
Ikechukwu Mark Nwachukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
Agricultural Communication
Agricultural Extension
Community Development
Gender issues
Olusegun Ayodele Olaoye
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
Food Microbiology and Biotechnology
Chinedu M. Agu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
24
0.960
Michael Chidiebere Ekwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
Adegbenro Akinmutimi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
13
0.520
Emmanuel Olusola Oke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
Water Treatment Process Engineering
Food Process System Engineering
Modelling and Numerical Simulation
Oladayo Adeyi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
Process System Engineering
Integrated Process Design
Techno-Economic Process Assessment
Process Risk Analysis
Life-cycle Imp
Jude Mbanasor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
Agribusiness
Entrepreneurship and Financial Management
Arzizeh Tiesieh Tapang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
Corporate & Financial Reporti
Information Technology
Taxation
Auditing
Forensic Accounting
Kayode Adekunle
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
Isiguzo Ahaneku
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
Uduma Kelvin Chimaobi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
11
0.478
Plant Genetics
Plant Breeding
Plant Science
Crop Modeling
Climate Change
Patricia Ukegbu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
Body composition
maternal and child health and nutrition
Dietary diversity
Patrick Chukwudi Nnaji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Environmental engineering
Modelling and Optimization
Chemical Kinetics
Wastewater treatment and