World Scientist and University Rankings 2025
Japan Agriculture & Forestry 954 Scientists Subject Rankings - 2025
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Feb 02, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (870.053) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 1
Plant Science
Plant Biology
Functional Genomics
Metabolomics
Plant Biochemistry
Metrics
H-Index
i10 Index
Citation Counts
132
656
71,041
* Total H IndexRankings
Ranking Based On Selection: 2
Plant Mineral Nutrition
Transporter
Mineral Stress
Metrics
H-Index
i10 Index
Citation Counts
127
314
61,416
* Total H IndexRankings
Ranking Based On Selection: 3
Plant Science
Phytohormones
Nitrogen Nutrition
Plant Biology
Metrics
H-Index
i10 Index
Citation Counts
110
269
45,150
* Total H IndexRankings
Ranking Based On Selection: 4
Plant physiology
Plant Biology
Plant nutrition
Agricultural science
rice
Metrics
H-Index
i10 Index
Citation Counts
85
154
30,251
* Total H IndexRankings
Ranking Based On Selection: 5
Plant Biology
Metrics
H-Index
i10 Index
Citation Counts
79
313
27,420
* Total H IndexRankings
Ranking Based On Selection: 6
fish and shellfish immunology
fish and shellfish genomics
fish and shellfish infectious diseases
Metrics
H-Index
i10 Index
Citation Counts
79
341
20,534
* Total H IndexRankings
Ranking Based On Selection: 7
natural product chemistry
Metrics
H-Index
i10 Index
Citation Counts
74
258
19,592
* Total H IndexRankings
Ranking Based On Selection: 8
wood science
macromolecular structure
computer vision
machine learning
Metrics
H-Index
i10 Index
Citation Counts
72
191
19,413
* Total H IndexRankings
Ranking Based On Selection: 9
Plant evolution and development
Metrics
H-Index
i10 Index
Citation Counts
67
151
16,318
* Total H IndexRankings
Ranking Based On Selection: 10
Plant lipids
Plant hormones
Microalgae
Colonization of land by plants
Biofuel
Metrics
H-Index
i10 Index
Citation Counts
66
165
15,206
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* Total H IndexRankings
Ranking Based On Selection: 11
Plant Cell Biology
Metrics
H-Index
i10 Index
Citation Counts
65
182
16,998
* Total H IndexRankings
Ranking Based On Selection: 12
plant abiotic stress tolerance
Metrics
H-Index
i10 Index
Citation Counts
63
134
14,062
* Total H IndexRankings
Ranking Based On Selection: 13
Plant biology
Fruit development
Tomato
Genome editing
Plant breeding
Metrics
H-Index
i10 Index
Citation Counts
63
220
13,964
* Total H IndexRankings
Ranking Based On Selection: 14
Plant Genome
Bioinformatics
Metrics
H-Index
i10 Index
Citation Counts
61
98
18,350
* Total H IndexRankings
Ranking Based On Selection: 15
fish pathology
comparative immunology
fish immunology
fish diseases
marine biotechnology
Metrics
H-Index
i10 Index
Citation Counts
61
191
13,596
* Total H IndexRankings
Ranking Based On Selection: 16
Metrics
H-Index
i10 Index
Citation Counts
60
133
9,978
* Total H IndexRankings
Ranking Based On Selection: 17
Plant ecology
Plant ecophysiology
Plant physiological ecology
Evolution
Global Change
Metrics
H-Index
i10 Index
Citation Counts
60
134
26,919
* Total H IndexRankings
Ranking Based On Selection: 18
forest ecology
forest management
forest dynamics
climate change
biodiversity
Metrics
H-Index
i10 Index
Citation Counts
60
171
18,071
* Total H IndexRankings
Ranking Based On Selection: 19
plant functional ecology
tropical forest ecology and conservation
Metrics
H-Index
i10 Index
Citation Counts
59
104
19,232
* Total H IndexRankings
Ranking Based On Selection: 20
structural protein
enzymatic polymerization
silk
plant biotechnology
organelle engineering
Metrics
H-Index
i10 Index
Citation Counts
58
179
11,258
* Total H IndexRankings
Ranking Based On Selection: 21
Plant metabolism
Metrics
H-Index
i10 Index
Citation Counts
58
190
13,842
* Total H IndexRankings
Ranking Based On Selection: 22
plant secondary metabolism
cytochrome P450
dioxygenase
steroid
strigolactone
Metrics
H-Index
i10 Index
Citation Counts
57
123
13,581
* Total H IndexRankings
Ranking Based On Selection: 23
animal behavior
neuroscience
social recognition
Metrics
H-Index
i10 Index
Citation Counts
57
173
13,045
* Total H IndexRankings
Ranking Based On Selection: 24
Abiotic stress
Allopolyploid evolution
Hybrid incompatibility
Interspecific hybrids
Natural variation
Metrics
H-Index
i10 Index
Citation Counts
57
144
8,898
* Total H IndexRankings
Ranking Based On Selection: 25
Climate Change
Rice
Free-air CO2 enrichment
crop model
Metrics
H-Index
i10 Index
Citation Counts
56
169
14,375
Plant Science
Plant Biology
Functional Genomics
Metabolomics
Plant Biochemistry
Jian Feng Ma
Okayama University
Okayama, Japan
Metrics
H-Index
i10-Index
Citation Counts
127
314
61,416
Plant Mineral Nutrition
Transporter
Mineral Stress
Hitoshi Sakakibara
Nagoya University
Nagoya, Japan
Metrics
H-Index
i10-Index
Citation Counts
110
269
45,150
Plant Science
Phytohormones
Nitrogen Nutrition
Plant Biology
Naoki Yamaji|山地直樹
Okayama University
Okayama, Japan
Metrics
H-Index
i10-Index
Citation Counts
85
154
30,251
Plant physiology
Plant Biology
Plant nutrition
Agricultural science
rice
Toru Fujiwara
University of Tokyo
Tokyo, Japan
Metrics
H-Index
i10-Index
Citation Counts
79
313
27,420
Ikuo Hirono
Metrics
H-Index
i10-Index
Citation Counts
79
341
20,534
fish and shellfish immunology
fish and shellfish genomics
fish and shellfish infectious diseases
Shigeki Matsunaga
University of Tokyo
Tokyo, Japan
Metrics
H-Index
i10-Index
Citation Counts
74
258
19,592
Junji Sugiyama
Kyoto University
Kyoto, Japan
Metrics
H-Index
i10-Index
Citation Counts
72
191
19,413
wood science
macromolecular structure
computer vision
machine learning
Hasebe Mitsuyasu
Metrics
H-Index
i10-Index
Citation Counts
67
151
16,318
Plant evolution and development
Hiroyuki Ohta
Metrics
H-Index
i10-Index
Citation Counts
66
165
15,206
Plant lipids
Plant hormones
Microalgae
Colonization of land by plants
Biofuel
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Takashi Ueda
Metrics
H-Index
i10-Index
Citation Counts
65
182
16,998
Mikio Nakazono
Nagoya University
Nagoya, Japan
Metrics
H-Index
i10-Index
Citation Counts
63
134
14,062
Hiroshi Ezura
University of Tsukuba
Tsukuba, Japan
Metrics
H-Index
i10-Index
Citation Counts
63
220
13,964
Plant biology
Fruit development
Tomato
Genome editing
Plant breeding
Akio Miyao
Metrics
H-Index
i10-Index
Citation Counts
61
98
18,350
Masahiro Sakai
University of Miyazaki
Miyazaki, Japan
Metrics
H-Index
i10-Index
Citation Counts
61
191
13,596
fish pathology
comparative immunology
fish immunology
fish diseases
marine biotechnology
Nobuhiro Tsutsumi
University of Tokyo
Tokyo, Japan
Metrics
H-Index
i10-Index
Citation Counts
60
133
9,978
Kouki Hikosaka
Tohoku University
Sendai, Japan
Metrics
H-Index
i10-Index
Citation Counts
60
134
26,919
Plant ecology
Plant ecophysiology
Plant physiological ecology
Evolution
Global Change
Tohru Nakashizuka
Metrics
H-Index
i10-Index
Citation Counts
60
171
18,071
forest ecology
forest management
forest dynamics
climate change
biodiversity
Kaoru Kitajima
Kyoto University
Kyoto, Japan
Metrics
H-Index
i10-Index
Citation Counts
59
104
19,232
plant functional ecology
tropical forest ecology and conservation
structural protein
enzymatic polymerization
silk
plant biotechnology
organelle engineering
Hiroshi Ashihara
Ochanomizu University
Tokyo, Japan
Metrics
H-Index
i10-Index
Citation Counts
58
190
13,842
Masaharu Mizutani
Kobe University
Kobe, Japan
Metrics
H-Index
i10-Index
Citation Counts
57
123
13,581
plant secondary metabolism
cytochrome P450
dioxygenase
steroid
strigolactone
Takefumi Kikusui
Azabu University
Sagamihara, Japan
Metrics
H-Index
i10-Index
Citation Counts
57
173
13,045
animal behavior
neuroscience
social recognition
Abiotic stress
Allopolyploid evolution
Hybrid incompatibility
Interspecific hybrids
Natural variation
Toshihiro Hasegawa
Metrics
H-Index
i10-Index
Citation Counts
56
169
14,375
Climate Change
Rice
Free-air CO2 enrichment
crop model