Soil quality. Pedology
- 13/13.080/13.080.01 Soil quality and pedology in general
- 13/13.080/13.080.05 Examination of soils in general
- 13/13.080/13.080.10 Chemical characteristics of soils
- 13/13.080/13.080.20 Physical properties of soils
- 13/13.080/13.080.30 Biological properties of soils
- 13/13.080/13.080.40 Hydrological properties of soils
- 13/13.080/13.080.99 Other standards related to soil quality