| Alox |
Aluminium extracted by an acid ammonium oxalate solution |
| CaCO3 |
Calcium carbonate |
| CEC |
Cation exchange capacity |
| COLE |
Coefficient of linear extensibility |
| EC |
Electrical conductivity |
| ESP |
Exchangeable sodium percentage |
| FAO |
Food and Agriculture Organization of the United Nations |
| Fedith |
Iron extracted by a dithionite-citrate-bicarbonate solution |
| Feox |
Iron extracted by an acid ammonium oxalate solution |
| HCl |
Hydrochloric acid |
| ISRIC |
International Soil Reference and Information Centre |
| ISSS |
International Society of Soil Science |
| IUSS |
International Union of Soil Sciences |
| KOH |
Potassium hydroxide |
| KCl |
Potassium chloride |
| Mndith |
Manganese extracted by a dithionite-citrate-bicarbonate solution |
| NaOH |
Sodium hydroxide |
| NH4OAc |
Ammonium acetate |
| RSG |
Reference Soil Group |
| SAR |
Sodium adsorption ratio |
| Siox |
Silicon extracted by an acid ammonium oxalate solution |
| SiO2 |
Silica |
| SUITMA |
Soils in Urban, Industrial, Traffic, Mining and Military Areas (IUSS working group) |
| TRB |
Total reserve of bases |
| UNESCO |
United Nations Educational, Scientific, and Cultural Organization |
| USDA |
United States Department of Agriculture |
| WRB |
World Reference Base for Soil Resources |