Ranking "Iron"
Iron – soils with diagnostic horizons characterised by high concentration of iron compounds (e.g., PODZOLS, PLINTHOSOLS, NITISOLS and FERRALSOLS, Limonic, Tsitelic, Spodic, Plinthic, Rubic, Rustic) or zones depleted in this element (e.g., Albic).
1
12p.
2
6p.
3
2p.
4
2p.
5
2p.