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Researcher · Okayama University · Japan

Yoshihiko Hirai

Yoshihiko Hirai publishes mostly in Plant Science, Ecology, Evolution, Behavior and Systematics and Food Science, on topics such as Rice Cultivation and Yield Improvement, Agriculture, Soil, Plant Science and Plant responses to water stress.

ORCID 0000-0002-3243-2161 OpenAlex
World rank
#1,557,407
of 1,633,909 ranked researchers
Rank in Japan
#107,879
of 114,622
Works
22
Citations
5
Citations per work
0.2

What does Yoshihiko Hirai research?

Plant Science: 55.6%Ecology, Evolution, Behavior and Systematics: 11.1%Food Science: 7.4%Genetics: 3.7%other fields: 22.2%56%top field
Plant Science55.6%Ecology, Evolution, Behavior and Systematics11.1%Food Science7.4%Genetics3.7%other fields22.2%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Plant Science56% of their works
  2. 2Ecology, Evolution, Behavior and Systematics11% of their works
  3. 3Food Science7% of their works
  4. 4Genetics4% of their works
  5. 5General Agricultural and Biological Sciences4% of their works
  6. 6Physiology4% of their works

Research topics

Which keywords describe Yoshihiko Hirai's research?

The keywords of their largest research topics: Rice, Water Management, Ecological Statistics, Meta-Analysis, Flooding Stress, Phytochemicals, Submergence Tolerance and Agriculture.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Rice61 topic
  2. Water Management61 topic
  3. Ecological Statistics31 topic
  4. Meta-Analysis31 topic
  5. Flooding Stress21 topic
  6. Phytochemicals22 topics
  7. Submergence Tolerance21 topic
  8. Agriculture11 topic
  9. Antioxidant11 topic
  10. Betalains11 topic
  11. Buckwheat11 topic
  12. Genetics11 topic
  13. Grapevine11 topic
  14. Nitrogen11 topic
  15. Phosphorus11 topic
  16. Plant Genetics11 topic
  17. Quinoa11 topic

Where does Yoshihiko Hirai work?

Yoshihiko Hirai's main affiliation in the publication record is Okayama University, Japan.

How many publications and citations does Yoshihiko Hirai have?

Science Explorer counts 22 works and 5 citations for Yoshihiko Hirai, ranking #1,557,407 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Yoshihiko Hirai

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