- Agriculture 131
- Plant Breeding/Biotechnology 89
- Plant Physiology 79
- Plant Genetics and Genomics 52
- Plant Sciences 51
- Microbiology 50
- Biodiversity 49
- Plant Anatomy/Development 49
- Plant Ecology 49
- Plant Biochemistry 45
- Plant Systematics/Taxonomy/Biogeography 44
- Conservation Biology/Ecology 40
- Plant Pathology 39
- Ecosystems 37
- Microbial Ecology 37
- Cell Biology 32
- Biochemistry, general 28
- Animal Ecology 27
- Evolutionary Biology 27
- Environmental Engineering/Biotechnology 26