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Douglas L. Karlen

Douglas L. Karlen publishes mostly in Soil Science, Agronomy and Crop Science and Environmental Chemistry, on topics such as Soil Carbon and Nitrogen Dynamics, Soil and Water Nutrient Dynamics and Soil Management and Crop Yield.

World rank
#28,040
of 1,633,909 ranked researchers
Rank in United States
#13,144
of 358,040
Works
64
Citations
676
Citations per work
10.6

What does Douglas L. Karlen research?

Soil Science: 29.4%Agronomy and Crop Science: 16.2%Environmental Chemistry: 10.3%Environmental Engineering: 7.4%other fields: 36.7%29%top field
Soil Science29.4%Agronomy and Crop Science16.2%Environmental Chemistry10.3%Environmental Engineering7.4%other fields36.7%

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

  1. 1Soil Science29% of their works
  2. 2Agronomy and Crop Science16% of their works
  3. 3Environmental Chemistry10% of their works
  4. 4Environmental Engineering7% of their works
  5. 5Plant Science7% of their works
  6. 6Ecology4% of their works

Research topics

Which keywords describe Douglas L. Karlen's research?

The keywords of their largest research topics: Soil Carbon Sequestration, Microbial Communities, Nitrogen Cycle, Soil Degradation, Sustainable Agriculture, Genetic Improvement, Nutrient Cycling and Water Quality.

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 20 words, with their numbers
  1. Soil Carbon Sequestration152 topics
  2. Microbial Communities111 topic
  3. Nitrogen Cycle111 topic
  4. Soil Degradation82 topics
  5. Sustainable Agriculture82 topics
  6. Genetic Improvement72 topics
  7. Nutrient Cycling61 topic
  8. Water Quality61 topic
  9. Digital Soil Mapping51 topic
  10. Geostatistics51 topic
  11. No-till Crop Production51 topic
  12. Soil Compaction51 topic
  13. Agricultural Productivity41 topic
  14. Bioenergy Crops41 topic
  15. Intercropping41 topic
  16. Switchgrass41 topic
  17. Agricultural Sustainability31 topic
  18. Maize Yield31 topic
  19. Nitrogen Uptake31 topic
  20. Soil Erosion31 topic

Where does Douglas L. Karlen work?

Douglas L. Karlen's main affiliation in the publication record is Agricultural Research Service, United States.

How many publications and citations does Douglas L. Karlen have?

Science Explorer counts 64 works and 676 citations for Douglas L. Karlen, ranking #28,040 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.