- Agriculture 12
- Science, Humanities and Social Sciences, multidisciplinary 7
- Plant Physiology 5
- Plant Sciences 5
- Science, multidisciplinary 5
- Soil Science & Conservation 5
- Sustainable Development 5
- Chemistry/Food Science, general 2
- Earth Sciences, general 2
- Environmental Science and Engineering 2
- Mathematics, general 2
- Physics, general 2
- Plant Anatomy/Development 2
- Statistics, general 2
- Tree Biology 2
- Climate Change Management and Policy 1
- Computer Science, general 1
- Ecology 1
- Environmental Economics 1
- Environmental Management 1