World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 60 1197 1096 35 35 179 14271
Environmental Sciences 60 2908 2779 38 36 185 14300

Kazuyuki Yagi publications per year

The chart shows the history of publications by Kazuyuki Yagi between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kazuyuki Yagi published across 57 years, from 1969 to 2025, averaging 4.5 papers a year. Output peaked at 20 publications in 2008. 2 of the 256 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2008. 1969: 1 publication 1970: 0 publications 1971: 1 publication 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 1 publication 1992: 0 publications 1993: 3 publications 1994: 2 publications 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 2 publications 1999: 4 publications 2000: 3 publications 2001: 7 publications 2002: 5 publications 2003: 11 publications 2004: 13 publications 2005: 15 publications 2006: 11 publications 2007: 13 publications 2008: 20 publications 2009: 17 publications 2010: 10 publications 2011: 14 publications 2012: 12 publications 2013: 16 publications 2014: 5 publications 2015: 10 publications 2016: 8 publications 2017: 7 publications 2018: 10 publications 2019: 1 publication 2020: 14 publications 2021: 7 publications 2022: 2 publications 2023: 0 publications 2024: 1 publication 2025: 1 publication
1969 2025

256 publications in total across all disciplines

View publications per year as a table
Kazuyuki Yagi: publications per year, 1969 to 2025
Year Publications
1969 1
1970 0
1971 1
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 1
1992 0
1993 3
1994 2
1995 1
1996 1
1997 4
1998 2
1999 4
2000 3
2001 7
2002 5
2003 11
2004 13
2005 15
2006 11
2007 13
2008 20
2009 17
2010 10
2011 14
2012 12
2013 16
2014 5
2015 10
2016 8
2017 7
2018 10
2019 1
2020 14
2021 7
2022 2
2023 0
2024 1
2025 1
Total 256
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Kazuyuki Yagi publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Kazuyuki Yagi sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 176–180 publications, is where this scientist sits. 36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36–40 publications 467+

This scientist: 179 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications Scientists This scientist
36–40 2
41–45 7
46–50 40
51–55 58
56–60 60
61–65 107
66–70 130
71–75 153
76–80 191
81–85 199
86–90 206
91–95 218
96–100 226
101–105 227
106–110 247
111–115 255
116–120 253
121–125 233
126–130 219
131–135 201
136–140 194
141–145 176
146–150 157
151–155 147
156–160 151
161–165 159
166–170 137
171–175 128
176–180 126 179
181–185 98
186–190 114
191–195 100
196–200 90
201–205 71
206–210 98
211–215 70
216–220 86
221–225 61
226–230 58
231–235 53
236–240 64
241–245 39
246–250 46
251–255 51
256–260 36
261–265 44
266–270 35
271–275 30
276–280 33
281–285 35
286–290 36
291–295 26
296–300 26
301–305 31
306–310 30
311–315 21
316–320 29
321–325 14
326–330 15
331–335 15
336–340 17
341–345 15
346–350 12
351–355 17
356–360 18
361–365 12
366–370 11
371–375 6
376–380 6
381–385 11
386–390 9
391–395 10
396–400 8
401–405 4
406–410 9
411–415 11
416–420 4
421–425 7
426–430 4
431–435 3
436–440 5
441–445 8
446–450 6
451–455 7
456–460 5
461–465 6
466 2
467+ 99
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Kazuyuki Yagi D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Kazuyuki Yagi sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 60 D-Index, is where this scientist sits. 30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 60 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index Scientists This scientist
30 200
31 236
32 253
33 283
34 288
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219
44 193
45 164
46 158
47 143
48 131
49 127
50 122
51 122
52 110
53 102
54 98
55 79
56 85
57 88
58 91
59 62
60 61 60
61 59
62 54
63 61
64 59
65 58
66 41
67 49
68 39
69 32
70 40
71 47
72 38
73 28
74 29
75 28
76 22
77 21
78 25
79 26
80 19
81 16
82 12
83 16
84 14
85 11
86 17
87 13
88 10
89 12
90 18
91 16
92 16
93 17
94 12
95 8
96 9
97 9
98 11
99 12
100 5
101 8
102 4
103 11
104 5
105 9
106 7
107 4
108 8
109+ 99
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Overview

What is he best known for?

The fields of study he is best known for:

  • Agriculture
  • Ecology
  • Agronomy

His primary areas of study are Agronomy, Paddy field, Soil water, Fertilizer and Methane. His Agronomy research is multidisciplinary, incorporating perspectives in Soil classification, Nutrient and Animal science. His Paddy field study combines topics from a wide range of disciplines, such as Organic matter, Irrigation, Nitrous oxide, Grain yield and Drainage.

His Soil water research incorporates elements of Nitrification, Water content and Crop rotation. His work deals with themes such as Biomass and Compost, which intersect with Fertilizer. His Methane study combines topics in areas such as Hydrology and Environmental chemistry.

His most cited work include:

  • Effect of Organic Matter Application on Methane Emission from Some Japanese Paddy Fields (500 citations)
  • Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management (465 citations)
  • EVALUATION OF EFFECTIVENESS OF ENHANCED-EFFICIENCY FERTILIZERS AS MITIGATION OPTIONS FOR N2O AND NO EMISSIONS FROM AGRICULTURAL SOILS: META-ANALYSIS (412 citations)

What are the main themes of his work throughout his whole career to date?

Kazuyuki Yagi mainly focuses on Agronomy, Paddy field, Methane, Soil water and Nitrous oxide. Kazuyuki Yagi interconnects Agriculture and Nitrification in the investigation of issues within Agronomy. His Paddy field research incorporates themes from Transplanting, Atmospheric sciences, Hydrology, Drainage and Greenhouse gas.

His Methane research incorporates elements of Global warming, Rice straw and Animal science. His work carried out in the field of Soil water brings together such families of science as Environmental chemistry and Denitrification. His Nitrous oxide research focuses on Carbon dioxide and how it connects with Poaceae.

He most often published in these fields:

  • Agronomy (55.70%)
  • Paddy field (40.51%)
  • Methane (25.32%)

What were the highlights of his more recent work (between 2013-2021)?

  • Paddy field (40.51%)
  • Agronomy (55.70%)
  • Greenhouse gas (17.09%)

In recent papers he was focusing on the following fields of study:

Kazuyuki Yagi mainly investigates Paddy field, Agronomy, Greenhouse gas, Methane and Drainage. His Paddy field study combines topics in areas such as Hydrology, Environmental chemistry, Abundance and Isotopes of carbon. His Agronomy research focuses on Straw in particular.

He combines subjects such as Field experiment, Climate change and Agriculture with his study of Greenhouse gas. His studies deal with areas such as Total organic carbon, Atmospheric sciences and Rice straw as well as Methane. The Soil pH study which covers Andosol that intersects with Nitrification and Fertilizer.

Between 2013 and 2021, his most popular works were:

  • Potential of prolonged midseason drainage for reducing methane emission from rice paddies in Japan: a long-term simulation using the DNDC-Rice model (32 citations)
  • Soil respiration, N 2 O, and CH 4 emissions from an Andisol under conventional-tillage and no-tillage cultivation for 4 years (32 citations)
  • Lime-nitrogen application affects nitrification, denitrification, and N2O emission in an acidic tea soil (28 citations)

In his most recent research, the most cited papers focused on:

  • Agriculture
  • Ecology
  • Carbon dioxide

Kazuyuki Yagi mainly focuses on Paddy field, Agronomy, Greenhouse gas, Drainage and Field experiment. His Paddy field research integrates issues from Organic matter and Total organic carbon. His studies in Agronomy integrate themes in fields like Denitrification, Nitrous oxide and Water content.

His work deals with themes such as Andosol, Soil pH, Fertilizer and Nitrification, which intersect with Nitrous oxide. His Drainage research is multidisciplinary, incorporating perspectives in Animal science and Methane. Kazuyuki Yagi has included themes like Soil carbon, Flooding, Growing season, Aeration and Straw in his Field experiment study.

Best Publications

  • EVALUATION OF EFFECTIVENESS OF ENHANCED-EFFICIENCY FERTILIZERS AS MITIGATION OPTIONS FOR N2O AND NO EMISSIONS FROM AGRICULTURAL SOILS: META-ANALYSIS

    Hiroko Akiyama;Xiaoyuan Yan;Kazuyuki Yagi

  • Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management

    Zucong Cai;Guangxi Xing;Xiaoyuan Yan;Hua Xu

  • Effect of Organic Matter Application on Methane Emission from Some Japanese Paddy Fields

    Kazuyuki Yagi;Katsuyuki Minami

  • Global estimations of the inventory and mitigation potential of methane emissions from rice cultivation conducted using the 2006 Intergovernmental Panel on Climate Change Guidelines

    Xiaoyuan Yan;Hiroko Akiyama;Kazuyuki Yagi;Hajime Akimoto

  • Soil microbial biomass, dehydrogenase activity, bacterial community structure in response to long-term fertilizer management

    Haiyan Chu;Xiangui Lin;Takeshi Fujii;Sho Morimoto

  • Statistical analysis of the major variables controlling methane emission from rice fields

    Xiaoyuan Yan;Kazuyuki Yagi;Hiroko Akiyama;Hajime Akimoto

  • World's soils are under threat

    Luca Montanarella;Daniel Jon Pennock;Neil McKenzie;Mohamed Badraoui

  • Effect of water management on methane emission from a Japanese rice paddy field: Automated methane monitoring

    Kazuyuki Yagi;Haruo Tsuruta;Ken-ichi Kanda;Katsuyuki Minami

  • Community Structure of Ammonia-Oxidizing Bacteria under Long-Term Application of Mineral Fertilizer and Organic Manure in a Sandy Loam Soil

    Haiyan Chu;Takeshi Fujii;Sho Morimoto;Xiangui Lin

  • Direct N2O emissions from rice paddy fields : Summary of available data

    Hiroko Akiyama;Kazuyuki Yagi;Xiaoyuan Yan

  • Wheat straw management affects CH4 and N2O emissions from rice fields

    Jing Ma;Erdeng Ma;Hua Xu;Kazuyuki Yagi

  • Interactions of elevated [CO2] and night temperature on rice growth and yield

    Weiguo Cheng;Hidemitsu Sakai;Kazuyuki Yagi;Toshihiro Hasegawa

  • Effects of nitrogen fertiliser and wheat straw application on CH4 and N2O emissions from a paddy rice field

    J. Ma;X. L. Li;H. Xu;Y. Han

  • Nitrous oxide emissions from an intensively cultivated maize–wheat rotation soil in the North China Plain

    Weixin Ding;Yan Cai;Zucong Cai;Kazuyuki Yagi

  • Estimations of emission factors for fertilizer‐induced direct N2O emissions from agricultural soils in Japan: Summary of available data

    Hiroko Akiyama;Xiaoyuan Yan;Kazuyuki Yagi

  • Possible options for mitigating methane emission from rice cultivation

    Kazuyuki Yagi;Haruo Tsuruta;Katsuyuki Minami

  • Revising a process‐based biogeochemistry model (DNDC) to simulate methane emission from rice paddy fields under various residue management and fertilizer regimes

    Tamon Fumoto;Kazuhiko Kobayashi;Changsheng Li;Kazuyuki Yagi

  • Mitigation of methane emissions from paddy fields by prolonging midseason drainage

    Masayuki Itoh;Shigeto Sudo;Shizuka Mori;Shizuka Mori;Hiroshi Saito

  • Methane and nitrous oxide emissions from a paddy field with Japanese conventional water management and fertilizer application

    Seiichi Nishimura;Takuji Sawamoto;Hiroko Akiyama;Shigeto Sudo

  • Effect of land use change from paddy rice cultivation to upland crop cultivation on soil carbon budget of a cropland in Japan

    Seiichi Nishimura;Seiichiro Yonemura;Takuji Sawamoto;Yasuhito Shirato

  • Atmospheric Methyl Bromide (CH3Br) from Agricultural Soil Fumigations

    K. Yagi;J. Williams;N. Y. Wang;R. J. Cicerone

  • Ammonia volatilization from a paddy field following applications of urea: Rice plants are both an absorber and an emitter for atmospheric ammonia

    Kentaro Hayashi;Seiichi Nishimura;Kazuyuki Yagi

Frequent Co-Authors

Zucong Cai
Zucong Cai Nanjing Normal University
Kazuyuki Inubushi
Kazuyuki Inubushi Chiba University
Toshihiro Hasegawa
Toshihiro Hasegawa National Agriculture and Food Research Organization
Hidemitsu Sakai
Hidemitsu Sakai National Agriculture and Food Research Organization
Haruo Tsuruta
Haruo Tsuruta University of Tokyo
Kazuhiko Kobayashi
Kazuhiko Kobayashi University of Tokyo
Xiaoyuan Yan
Xiaoyuan Yan Chinese Academy of Sciences
Weixin Ding
Weixin Ding Chinese Academy of Sciences
Xiangui Lin
Xiangui Lin Chinese Academy of Sciences
Takeshi Tokida
Takeshi Tokida National Agriculture and Food Research Organization

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