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H. Valk

H. Valk publishes mostly in Agronomy and Crop Science, Plant Science and Renewable Energy, Sustainability and the Environment, on topics such as Ruminant Nutrition and Digestive Physiology, Reproductive Physiology in Livestock and Energy, Environment, Agriculture Analysis.

World rank
#1,185,673
of 1,633,909 ranked researchers
Rank in Ghana
#313
of 492
Works
15
Citations
25
Citations per work
1.7

What does H. Valk research?

Agronomy and Crop Science: 27.8%Plant Science: 27.8%Renewable Energy, Sustainability and the Environment: 11.1%Ecology, Evolution, Behavior and Systematics: 5.6%other fields: 27.7%28%top field
Agronomy and Crop Science27.8%Plant Science27.8%Renewable Energy, Sustainability and the Environment11.1%Ecology, Evolution, Behavior and Systematics5.6%other fields27.7%

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

  1. 1Agronomy and Crop Science28% of their works
  2. 2Plant Science28% of their works
  3. 3Renewable Energy, Sustainability and the Environment11% of their works
  4. 4Ecology, Evolution, Behavior and Systematics6% of their works
  5. 5Insect Science6% of their works
  6. 6Physiology6% of their works

Research topics

Which keywords describe H. Valk's research?

The keywords of their largest research topics: Methane Production, Ruminant Nutrition, Agricultural Practices, Biodiversity, Climate Change, Energy Consumption, Reproductive Loss and Uterine Disease.

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 18 words, with their numbers
  1. Methane Production31 topic
  2. Ruminant Nutrition31 topic
  3. Agricultural Practices21 topic
  4. Biodiversity22 topics
  5. Climate Change22 topics
  6. Energy Consumption21 topic
  7. Reproductive Loss21 topic
  8. Uterine Disease21 topic
  9. Conservation11 topic
  10. Ecosystem Services11 topic
  11. Exposure11 topic
  12. Germination11 topic
  13. Honey Bees11 topic
  14. Neonicotinoids11 topic
  15. Pesticides11 topic
  16. Pollinator Decline11 topic
  17. Seed Dormancy11 topic
  18. Vascular Plants11 topic

Where does H. Valk work?

H. Valk's main affiliation in the publication record is Environmental Protection Agency, Ghana.

How many publications and citations does H. Valk have?

Science Explorer counts 15 works and 25 citations for H. Valk, ranking #1,185,673 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.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.