H-Index
Rankings

Kenya Scientists H-Index Doctor of Agricultural Education and Extension/ Vocational Education, Machakos University Rankings in Kenya 2025

AD Scientific Index evaluates the academic productivity and efficiency of scientists and institutions based on the H-index, i10 index, and citation counts. In addition to total H-index rankings, you can also explore rankings and analyses by "Scientists Last 6 Years H-index" and by subject.

Total 8.712 scientist, 1 country, 88 institution
* Total H Index Rankings
Ranking Based On Selection :1
Robert W Snow
Malaria
Africa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
139
66
0.475
* Total H Index Rankings
Ranking Based On Selection :2
Ann Ngari
Chemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
47
0.402
* Total H Index Rankings
Ranking Based On Selection :4
Meine Van Noordwijk|Noordwijk, Meine van, van Noordwijk, Meine
roots
agroforestry
ecosystem services
landscape
water
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
105
62
0.590
* Total H Index Rankings
Ranking Based On Selection :5
Jianchu Xu
ethnoecology
fungi ecology
biodiversity conservation
landscape restoration
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
93
74
0.796
* Total H Index Rankings
Ranking Based On Selection :7
Kindt, Roeland
agroforestry
ecology
biogeography
biodiversity
climate change
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
70
53
0.757
* Total H Index Rankings
Ranking Based On Selection :8
Zeyaur R Khan
Chemical Ecology
Insect Behavior
Habitat Management
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
67
45
0.672
* Total H Index Rankings
Ranking Based On Selection :9
Fergus Sinclair
agriculture
agroecology
agroforestry
food security
ecosystem services
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
65
45
0.692
* Total H Index Rankings
Ranking Based On Selection :10
Menale Kassie
Applied micro-econometrics
multiple technologica innovaiton bundles adoption and impact assessment
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
63
52
0.825
* Total H Index Rankings
Ranking Based On Selection :11
Emily Nakhumicha Wamalwa
Entomology
crop pathology
zoology
botany and molecular Science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
* Total H Index Rankings
Ranking Based On Selection :12
Fabian Esamai
child health
paediatrics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
56
43
0.768
* Total H Index Rankings
Ranking Based On Selection :13
Steven Franzel
Extension
marketing
agroforestry
natural resources management
participatory research
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
55
34
0.618
* Total H Index Rankings
Ranking Based On Selection :14
Paul Magutu Njaria
Drug Discovery
Drug Analysis
Drug Synthesis
Pharmacokinetics
Medicinal Chemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
29
0.547
* Total H Index Rankings
Ranking Based On Selection :15
Manasi Kumar
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
* Total H Index Rankings
Ranking Based On Selection :16
Martin Mbaya
Public Policy
Technology and Innovation Management
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
52
25
0.481
* Total H Index Rankings
Ranking Based On Selection :17
Ramni H Jamnadass
Agroforestry
Restoration
Tree Conservation. Integrated Tree Seed Systems
Food Trees
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
42
0.824
* Total H Index Rankings
Ranking Based On Selection :18
Muga Joseph Owino
Drug discovery
nanotechnology
drugs for parasitic diseases
molecular techniques
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
38
0.745
* Total H Index Rankings
Ranking Based On Selection :19
Walter Jaoko
Tropical medicine
HIV/AIDS
research ethics
clinical ethics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
30
0.588
* Total H Index Rankings
Ranking Based On Selection :20
Virendra Pal Singh
Agroforestry
Biofuel
Rice
agronomy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total H Index Rankings
Ranking Based On Selection :21
Ruth Nduati
Paediatrics
HIV
Epidemiology
Child Health
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
28
0.549
* Total H Index Rankings
Ranking Based On Selection :22
Charles Kigen
Environment and Sustainable Development
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
20
0.392
* Total H Index Rankings
Ranking Based On Selection :23
Elizabeth Ngugi
Primary Health Care
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
20
0.392
* Total H Index Rankings
Ranking Based On Selection :24
Rhett D Harrison
Landscape ecology
Conservation biology
Biodiversity
Tropical forest ecology
Restoration
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
38
0.776
* Total H Index Rankings
Ranking Based On Selection :25
Alan Duncan
livestock nutrition
smallholder
agriculture
Africa
Asia
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Robert W Snow
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
139
66
0.475
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Ann Ngari
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
47
0.402
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Philip Thornton
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
82
0.745
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Meine Van Noordwijk|Noordwijk, Meine van, van Noordwijk, Meine
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
105
62
0.590
roots
agroforestry
ecosystem services
landscape
water
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Jianchu Xu
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
93
74
0.796
ethnoecology
fungi ecology
biodiversity conservation
landscape restoration
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Mark Van Wijk
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
71
52
0.732
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Kindt, Roeland
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
70
53
0.757
agroforestry
ecology
biogeography
biodiversity
climate change
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Zeyaur R Khan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
67
45
0.672
Chemical Ecology
Insect Behavior
Habitat Management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Fergus Sinclair
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
65
45
0.692
agriculture
agroecology
agroforestry
food security
ecosystem services
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Menale Kassie
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
63
52
0.825
Applied micro-econometrics
multiple technologica innovaiton bundles adoption and impact assessment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Emily Nakhumicha Wamalwa
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
Entomology
crop pathology
zoology
botany and molecular Science
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Fabian Esamai
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
56
43
0.768
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Steven Franzel
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
55
34
0.618
Extension
marketing
agroforestry
natural resources management
participatory research
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Paul Magutu Njaria
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
29
0.547
Drug Discovery
Drug Analysis
Drug Synthesis
Pharmacokinetics
Medicinal Chemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Manasi Kumar
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
52
50
0.962
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Martin Mbaya
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
52
25
0.481
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Ramni H Jamnadass
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
42
0.824
Agroforestry
Restoration
Tree Conservation. Integrated Tree Seed Systems
Food Trees
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Muga Joseph Owino
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
38
0.745
Drug discovery
nanotechnology
drugs for parasitic diseases
molecular techniques
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Walter Jaoko
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
30
0.588
Tropical medicine
HIV/AIDS
research ethics
clinical ethics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Virendra Pal Singh
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Ruth Nduati
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
28
0.549
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Charles Kigen
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
20
0.392
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Elizabeth Ngugi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
20
0.392
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Rhett D Harrison
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
38
0.776
Landscape ecology
Conservation biology
Biodiversity
Tropical forest ecology
Restoration
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Alan Duncan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
30
0.612
livestock nutrition
smallholder
agriculture
Africa
Asia