Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
humic soils  | |
|---|---|
| BT | soils |
| .humic soils | |
| RT | organic compounds |
| fulvic acids | |
| humic acids | |
| Histosols | |
| humus | |
| SN | Informal designation. Also search soils and organic compounds if applicable. Also index specific organic compounds e.g. fulvic acids as applicable. |