Variant of CIP 2016 - Alternative primary groupings
- 09 - Agriculture, natural resources and conservation
- 01. - Agriculture, agriculture operations and related sciences
- 01.12 - Soil sciences
- 01.1201 - Soil science and agronomy, general
- 01.1202 - Soil chemistry and physics
- 01.1203 - Soil microbiology
- 01.1299 - Soil sciences, other
- Date modified: