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
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interactions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
242
0.953
* Total i10 IndexRankings
Ranking Based On Selection :2
Plant and Soil Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
174
0.857
* Total i10 IndexRankings
Ranking Based On Selection :3
Biological Sciences
Soil Microbiology
ISFM
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
97
0.735
* Total i10 IndexRankings
Ranking Based On Selection :4
Nano selenium
Nano nutrients
nanofibers
Plant nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
130
125
0.962
* Total i10 IndexRankings
Ranking Based On Selection :5
Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
100
0.775
* Total i10 IndexRankings
Ranking Based On Selection :6
biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
68
0.553
* Total i10 IndexRankings
Ranking Based On Selection :7
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
68
0.557
* Total i10 IndexRankings
Ranking Based On Selection :8
Soil and water
management
Remote sensing and GIS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
64
0.653
* Total i10 IndexRankings
Ranking Based On Selection :9
Soil Sciences
Remote sensing
Environmental assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
82
0.953
* Total i10 IndexRankings
Ranking Based On Selection :10
Soils
Environment
Ecology
dryland ecosystem
agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
68
0.840
* Total i10 IndexRankings
Ranking Based On Selection :11
Soil fertility
waste management
Vermicomposting
Agronomy
climate smart agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
61
0.782
* Total i10 IndexRankings
Ranking Based On Selection :12
Soil Ecology
Soil Health
Food Security
Urban Agriculture
Environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
58
0.773
* Total i10 IndexRankings
Ranking Based On Selection :13
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
57
0.770
* Total i10 IndexRankings
Ranking Based On Selection :14
Soil Conservation
mineralogy
soil physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
52
0.703
* Total i10 IndexRankings
Ranking Based On Selection :15
Root biology
Nitrogen
Phosphorous
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
55
0.775
* Total i10 IndexRankings
Ranking Based On Selection :16
Climate variability
soil fertility
community participation
environmental conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
56
0.812
* Total i10 IndexRankings
Ranking Based On Selection :17
Soil
Agroforestry
Carbon Cycling
Land Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
62
0.912
* Total i10 IndexRankings
Ranking Based On Selection :18
Soil fertility Agroforestry Agricultural Sciences and Research Methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
48
0.706
* Total i10 IndexRankings
Ranking Based On Selection :19
Plant nutrition
Tropical fruits
Irrigation
Biochar
Phytoremediation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
65
0.970
* Total i10 IndexRankings
Ranking Based On Selection :20
Microbiology
mycorrhizal
bioremediation
plant and soil health
renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
59
0.937
* Total i10 IndexRankings
Ranking Based On Selection :21
Plant nutrition
soil microbiology
soil ecology
environmental pollution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
55
0.948
* Total i10 IndexRankings
Ranking Based On Selection :22
Agroecology
Agronomy
Soil science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
51
0.879
* Total i10 IndexRankings
Ranking Based On Selection :23
Plants and soil sciences
agro-environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
54
0.947
* Total i10 IndexRankings
Ranking Based On Selection :24
Nitrogen transformation
Nitrogen budget
Nitrogen footprint
Stress
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
56
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
Agrometeorology
Climate Sciences
Farming Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
44
0.800
Olubukola Oluranti Babalola
North West University
Potchefstroom, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
254
242
0.953
Microbial Ecology
Soil Metagenomics
Plant-Microbe Interactions
Patrick Ndakidemi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
203
174
0.857
Plant and Soil Sciences
Robert Clement Abaidoo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
97
0.735
Biological Sciences
Soil Microbiology
ISFM
Hassan El Ramady
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
130
125
0.962
Nano selenium
Nano nutrients
nanofibers
Plant nutrition
A. Egrinya Eneji
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
100
0.775
Nigel Barker
University of Pretoria
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
68
0.553
Servaas Van Der Berg
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
68
0.557
Charles KK Gachene
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
64
0.653
Soil and water
management
Remote sensing and GIS
Elsayed Said Mohamed Salama
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
82
0.953
Soil Sciences
Remote sensing
Environmental assessment
Eyasu Elias
Addis Ababa University
Addis Ababa, Ethiopia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
68
0.840
Soils
Environment
Ecology
dryland ecosystem
agriculture
Pearson Nyari Stephano Mnkeni
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
61
0.782
Soil fertility
waste management
Vermicomposting
Agronomy
climate smart agriculture
Nancy Njarua Karanja
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
58
0.773
Soil Ecology
Soil Health
Food Security
Urban Agriculture
Environment
Jacobus Johannes Marion Meyer
University of Pretoria
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
57
0.770
Charles Arizechukwu Igwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
52
0.703
Soil Conservation
mineralogy
soil physics
Alex Valentine
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
55
0.775
Root biology
Nitrogen
Phosphorous
Monicah Mucheru-Muna
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
56
0.812
Climate variability
soil fertility
community participation
environmental conservation
Leigh Winowiecki
World Agroforestry (ICRAF)
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
62
0.912
Soil
Agroforestry
Carbon Cycling
Land Health
Jayne Mugwe
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
48
0.706
Soil fertility Agroforestry Agricultural Sciences and Research Methods
Mamdouh A Eissa
Assiut University
Asyut, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
65
0.970
Plant nutrition
Tropical fruits
Irrigation
Biochar
Phytoremediation
Rasheed Adegbola Adeleke
North West University
Potchefstroom, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
59
0.937
Microbiology
mycorrhizal
bioremediation
plant and soil health
renewable energy
Tarek Alshaal
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
55
0.948
Plant nutrition
soil microbiology
soil ecology
environmental pollution
Regis Chikowo
University of Zimbabwe
Harare, Zimbabwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
51
0.879
Agroecology
Agronomy
Soil science
Kelvin Mark Mtei
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
54
0.947
Plants and soil sciences
agro-environment
Ahmed Elrys
Zagazig University
Sharqia, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
56
1.000
Nitrogen transformation
Nitrogen budget
Nitrogen footprint
Stress
Walter Mupangwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
44
0.800
Agrometeorology
Climate Sciences
Farming Systems