- Plant Genetics and Genomics 11
- Plant Sciences 11
- Agriculture 9
- Plant Physiology 9
- Plant Pathology 8
- Biotechnology 7
- Plant Biochemistry 4
- Environmental Health 3
- Plant Anatomy/Development 3
- Plant Breeding/Biotechnology 3
- Science, multidisciplinary 3
- Tree Biology 3
- Biochemistry, general 2
- Environment, general 2
- Hydrogeology 2
- Hydrology/Water Resources 2
- Proteomics 2
- Science, Humanities and Social Sciences, multidisciplinary 2
- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution 2
- Water Quality/Water Pollution 2