- Agriculture 12
- Science, Humanities and Social Sciences, multidisciplinary 11
- Science, multidisciplinary 11
- Environment, general 10
- Plant Sciences 10
- Characterization and Evaluation of Materials 9
- Plant Physiology 9
- Ecology 7
- Cancer Research 6
- Life Sciences, general 6
- Oncology 6
- Soil Science & Conservation 6
- Biomedicine, general 5
- Cell Biology 5
- Engineering Design 4
- Environmental Health 4
- Quality Control, Reliability, Safety and Risk 4
- Tribology, Corrosion and Coatings 4
- Animal Physiology 3
- Biochemistry, general 3