Science Explorer Interactive view Map

John Ryan

John Ryan publishes mostly in Plant Science, Soil Science and Environmental Chemistry, on topics such as Soil Carbon and Nitrogen Dynamics, Soil and Water Nutrient Dynamics and Wheat and Barley Genetics and Pathology.

World rank
#539,834
of 1,633,909 ranked researchers
Rank in Syria
#20
of 75
Works
32
Citations
140
Citations per work
4.4

What does John Ryan research?

Plant Science: 33.3%Soil Science: 28.6%Environmental Chemistry: 16.7%Industrial and Manufacturing Engineering: 7.1%other fields: 14.3%33%top field
Plant Science33.3%Soil Science28.6%Environmental Chemistry16.7%Industrial and Manufacturing Engineering7.1%other fields14.3%

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

  1. 1Plant Science33% of their works
  2. 2Soil Science29% of their works
  3. 3Environmental Chemistry17% of their works
  4. 4Industrial and Manufacturing Engineering7% of their works
  5. 5Agronomy and Crop Science5% of their works
  6. 6Oceanography5% of their works

Research topics

Which keywords describe John Ryan's research?

The keywords of their largest research topics: Nitrogen Cycle, Soil Carbon Sequestration, Nutrient Cycling, Phosphorus, Water Quality, Genetics, Recovery and Wastewater.

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. Nitrogen Cycle81 topic
  2. Soil Carbon Sequestration81 topic
  3. Nutrient Cycling51 topic
  4. Phosphorus52 topics
  5. Water Quality51 topic
  6. Genetics31 topic
  7. Recovery31 topic
  8. Wastewater31 topic
  9. Wheat31 topic
  10. Biofortification21 topic
  11. Legumes21 topic
  12. Mineral Elements21 topic
  13. Nitrogen21 topic
  14. Nutrient Sources21 topic
  15. Organic Fertilizers21 topic
  16. Root Architecture21 topic
  17. Symbiosis21 topic

Where does John Ryan work?

John Ryan's main affiliation in the publication record is International Center for Agricultural Research in the Dry Areas, Syria.

How many publications and citations does John Ryan have?

Science Explorer counts 32 works and 140 citations for John Ryan, ranking #539,834 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 John Ryan

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