- Microbiology 18
- Agriculture 14
- Microbial Ecology 10
- Plant Sciences 9
- Sustainable Development 7
- Conservation Biology/Ecology 6
- Soil Science & Conservation 6
- Biotechnology 5
- Biochemistry, general 4
- Cell Biology 4
- Ecology 4
- Molecular Ecology 4
- Plant Physiology 4
- Genetic Engineering 3
- Oxidative Stress 3
- Agricultural Ethics 1
- Bioinformatics 1