- Plant Pathology 6
- Statistics, general 6
- Plant Genetics and Genomics 5
- Plant Physiology 5
- Plant Sciences 5
- Statistical Theory and Methods 4
- Applications of Mathematics 3
- Applied Statistics 3
- Biotechnology 3
- Statistics and Computing/Statistics Programs 3
- Agriculture 2
- Probability Theory and Stochastic Processes 2
- Biostatistics 1
- Ecology 1
- Economic Theory/Quantitative Economics/Mathematical Methods 1
- Environmental Health 1
- Life Sciences, general 1
- Monitoring/Environmental Analysis 1
- Plant Ecology 1
- Pollution, general 1