| Soil Fertility Experiment (DVI Thyrow/Germany) | Spodosol |
| Quebec long-term forest soil monitoring network | Spodosol |
| Pellston Nitrogen Addition Study | Spodosol |
| Olustee Fire Plots | Spodosol |
| Nutrient Deficiency Experiment (DIV, Thyrow). | Spodosol |
| Methods of ecologically adaptive management of processes agrochemical influences on soil-plant system for increasing soil fertility of acidic soddy-podzolic soil, productivity and sustainability of agroecosystems in Kostroma Oblast | Spodosol |
| Hubbard Brook Ecosystem Studies | Spodosol |
| Effect of long-term phosphorite application on agrochemical soil properties of podzolic brown soil, crops yields and quality of crop production | Spodosol |
| Effect of long-term mineral fertilizers application in increasing doses in combination with manure on fertility of meadow-brown soil and crop yield in potato rotation | Spodosol |
| Effect of long-term mineral fertilizers application in increasing doses in combination with manure on fertility of meadow-brown soil and crop yield in potato rotation | Spodosol |
| Effect of long-term fertilizers and lime applications on pH and nutrient pool in soil | Spodosol |
| DIRT: Detrital Input, Removal, and Transfer (University of Michigan Biological Station) | Spodosol |