Potassium Formate vs Other Potassium Sources
| Feature / Effect | Potassium Formate | Potassium Citrate | Potassium Sulfate | Potassium Nitrate |
|---|---|---|---|---|
| Uptake speed by plant | Very fast | Medium | Medium | Fast |
| EC (salinity) effect | Very low EC | Medium / high | High | Medium |
| Foliar uptake | Very good | Medium | Low | Good |
| Root uptake | Good | Good | Very good | Very good |
| Nitrogen content | None | None | None | 13% N |
| Sulfur content | None | None | 18% S | None |
| Compatibility with Ca, Mg | High | Medium | Medium | Good |
| Tank mix compatibility | Very good | Medium | Caution | Good |
| pH effect | Slightly acidic | Slightly acidic | Neutral | Slightly acidic |
| Plant metabolism effect | Accelerates energy cycle | Weak | Neutral | Supports N metabolism |
| Effect on stressed plants | Very effective | Medium | Weak | Good |
| Foliar safety | Very safe | Medium | Low | Safe |
| Soil application | Safe | Safe | Very effective | Very effective |
| Main usage purpose | Low EC, fast effect | pH buffering | K + S supply | K + N supply |


