redoximorphic features
| soil science | Slickensides | Manganese | reduction |
| Soil classification | U.S. Bureau of Chemistry and Soils | Mercedes | soil cycle |
| Horizon | Iron | compound | soil |
| oxidation |
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.