- Agriculture 5
- Soil Science & Conservation 5
- Ecology 4
- Plant Physiology 4
- Plant Sciences 4
- Ceramics, Glass, Composites, Natural Materials 1
- Characterization and Evaluation of Materials 1
- Materials Science, general 1
- Metallic Materials 1
- Science, Humanities and Social Sciences, multidisciplinary 1
- Science, multidisciplinary 1
- Surfaces and Interfaces, Thin Films 1
- Sustainable Development 1
- Tribology, Corrosion and Coatings 1