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Researcher · Agricultural Research Council of South Africa · South Africa

J. L. Purchase

J. L. Purchase publishes mostly in Plant Science, Agronomy and Crop Science and Economics and Econometrics, on topics such as Wheat and Barley Genetics and Pathology, Crop Yield and Soil Fertility and Genetics and Plant Breeding.

OpenAlex
World rank
#5,663,549
of 7,710,434 ranked researchers
Rank in South Africa
#24,221
of 29,826
Works
30
Citations
805
Citations per work
26.8
h-index
8
i10-index 8Top 63% in Plant Science
J. L. Purchase

What does J. L. Purchase research?

J. L. Purchase's work is mostly in Agricultural and Biological Sciences (63%), Economics, Econometrics and Finance (13%), Medicine (7%).

Life Sciences: 20 works · 65.4% of their workAgricultural and Biological Sciences: 19 works · 62.7% of their workPlant Science: 12 works · 40.0% of their workAgronomy and Crop Science: 7 works · 22.7% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 2.7% of their workGenetics: 1 works · 2.7% of their workEverything else: 4 works · 14.6% of their workSocial Sciences: 4 works · 13.3% of their workEconomics, Econometrics and Finance: 4 works · 13.3% of their workEconomics and Econometrics: 4 works · 13.3% of their workHealth Sciences: 2 works · 6.7% of their workMedicine: 2 works · 6.7% of their workOncology: 1 works · 4.0% of their workEpidemiology: 1 works · 2.7% of their workTHEIR WORKJ. L. Purchase30works
Life Sciences65%Health Sciences7%Social Sciences13%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Agricultural and Biological Sciences1962.7%
    2. Biochemistry, Genetics and Molecular Biology12.7%
  2. Everything else414.6%
    1. Economics, Econometrics and Finance413.3%
    1. Medicine26.7%
  1. 1Plant Science40% of their works
  2. 2Agronomy and Crop Science23% of their works
  3. 3Economics and Econometrics13% of their works
  4. 4Oncology4% of their works
  5. 5Epidemiology3% of their works
  6. 6Genetics3% of their works

Research topics

Which keywords describe J. L. Purchase's research?

The keywords of their largest research topics: Genetic Improvement, Breeding, Genetics, Disease Resistance, Wheat, Drought Tolerance, Maize Yield and Nitrogen Uptake.

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 21 words, with their numbers
  1. Genetic Improvement223 topics
  2. Breeding152 topics
  3. Genetics152 topics
  4. Disease Resistance121 topic
  5. Wheat121 topic
  6. Drought Tolerance112 topics
  7. Maize Yield111 topic
  8. Nitrogen Uptake111 topic
  9. Cultivar Evaluation81 topic
  10. Genotype-by-Environment Interaction81 topic
  11. Cost-effectiveness Analysis51 topic
  12. Quality of Life51 topic
  13. Sustainable Agriculture52 topics
  14. Bioenergy Crops31 topic
  15. Cowpea31 topic
  16. Drug Development Costs31 topic
  17. Generic Drugs31 topic
  18. Nutritional Quality31 topic
  19. Switchgrass31 topic
  20. Agricultural Productivity21 topic
  21. Intercropping21 topic

Where does J. L. Purchase work?

J. L. Purchase's main affiliation in the publication record is Agricultural Research Council of South Africa, South Africa.

How many publications and citations does J. L. Purchase have?

OpenAlex counts 30 works and 805 citations for J. L. Purchase, an h-index of 8, ranking #5,663,549 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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