Comparison · fertilizer
Potassium fertilizers: muriate of potash vs sulfate of potash vs potassium nitrate
Compare common potassium fertilizer materials.
| Dimension | Muriate of potash | Sulfate of potash | Potassium nitrate |
|---|---|---|---|
| Category | Fertilizer | Fertilizer | Fertilizer |
| Class | mineral-potassium | mineral-potassium | mineral-potassium |
| Typical grade (N-P₂O₅-K₂O) | 0-0-60 | 0-0-50-18S | 13-0-45 |
Methodology
Grade/class read from each entry.
Limitations
- Educational only — chloride sensitivity and cost differ by crop and context.
Sources
This article draws on the following authoritative sources. See our sources & methodology for how they are selected.
- [1]IFA — International Fertilizer Association (opens in a new tab)Moderate
International Fertilizer Association (IFA)
- Type:
- Standards body
- Jurisdiction:
- Global
- Accessed:
- 2026-07-12