Description
NPK 18-6-18 Cl-S fertiliser is a compound fertiliser: all three major nutrients manufactured into a single product at a fixed ratio, rather than blended from separates. You buy one analysis and spread it once. That is the convenience, and it is also the limit – a compound cannot be adjusted, so it suits a soil whose test the ratio already fits. Where the test points somewhere else, blending to that ratio wastes less. With 18% nitrogen leading 6% phosphorus and 18% potassium, the analysis is weighted to growth while still supplying the other two. That suits a crop being pushed through its main growth phase on soil with reasonable reserves, where a straight nitrogen source would leave the balance short. 42 units of nutrient in total. Supplied bulk, in bulka bags or bagged, from 10 MT. Delivered Australia-wide and shipped internationally, with a Certificate of Analysis and Safety Data Sheet against the batch supplied.
NPK 18-6-18 CL & S Fertilizer Specification
Tower-granulated compound. Every granule carries the full declared ratio, so the analysis cannot separate in transit or spreading. The declared analysis and supply detail for NPK 18-6-18 CL & S Fertilizer are set out below. A Certificate of Analysis is issued on request against the batch you actually receive.
| Product name | NPK 18-6-18 CL & S Fertilizer |
| Product code | NPK-18-6-18-CL-S-FERTILIZER |
| Product family | High Tower Compound Fertilizer |
| Declared analysis (N–P–K) | 18–6–18 |
| Total nitrogen (N) | 18% |
| Phosphorus (as P2O5) | 6% |
| Potassium (as K2O) | 18% |
| Total nutrient content | 42% (42 units) |
| Elemental phosphorus (P) | 2.6% |
| Elemental potassium (K) | 14.9% |
| Nutrient supplied per tonne | 180 kg N · 60 kg P2O5 · 180 kg K2O |
| Physical form | Granular |
| Water solubility | Soil-applied granular product |
| Packaging | Bulk, one-tonne bulka bag or bagged — confirmed on your quotation |
| Minimum order | 10 – 25 MT, depending on the product and the destination — confirmed on your quotation |
| Availability | Australia-wide delivery; international shipping on request |
| Certificate of Analysis | Issued on request against your delivered batch |
| Safety Data Sheet | Available on request — request it before handling |
Nutrient Content of NPK 18-6-18 CL & S Fertilizer
One tonne of NPK 18-6-18 CL & S Fertilizer supplies 180 kg of nitrogen (N), 60 kg of phosphate (P2O5) and 180 kg of potash (K2O) — a total of 42 nutrient units per 100 kg.
Nutrient supplied at different rates
What one hectare actually receives at a given spreading rate of NPK 18-6-18 CL & S Fertilizer. Use it to work back from a nutrient target to a product rate.
| Rate applied | Nitrogen (N) | Phosphate (P2O5) | Potash (K2O) |
|---|---|---|---|
| 50 kg/ha | 9 kg | 3 kg | 9 kg |
| 100 kg/ha | 18 kg | 6 kg | 18 kg |
| 150 kg/ha | 27 kg | 9 kg | 27 kg |
| 200 kg/ha | 36 kg | 12 kg | 36 kg |
| 250 kg/ha | 45 kg | 15 kg | 45 kg |
| 300 kg/ha | 54 kg | 18 kg | 54 kg |
Indicative conversion only. Set application rates against a current soil test and confirm them with a qualified agronomist.
Where NPK 18-6-18 CL & S Fertilizer Is Used
Nitrogen-led growth with supporting nutrition
Nitrogen leads this analysis, so it targets vegetative growth, but the phosphorus and potassium alongside it mean the crop is not left short elsewhere while the canopy builds. Useful where a straight nitrogen product would create a secondary deficiency.
Packing and Quantities
NPK 18-6-18 CL & S Fertilizer is supplied in bulk, in 1,000 kg and 500 kg bulka bags, and in 50 kg and 25 kg bags. Minimum order is 10–25 MT, depending on the product and the destination. Packing formats, 20ft container loading figures, and bagging and marking are set out in full on our Delivery & Freight page.
Handling and Storage
Store NPK 18-6-18 CL & S Fertilizer dry, off the ground and out of direct weather. Nitrogen and ammonium-based fertilisers draw moisture from the air and will cake if left exposed — full handling and storage guidance is on the Delivery & Freight page.
NPK 18-6-18 CL & S Fertilizer Data Sheet
A Certificate of Analysis for your delivered batch and the Safety Data Sheet are both available on request. The analysis in the data sheet is the nominal specification; where a Certificate of Analysis is issued for a batch, that certificate governs.
Related Reading
- High Tower Compound Fertiliser ExplainedWhat high tower compound fertiliser is, how tower granulation differs from other methods, and…
- NPK Compound Fertiliser Suppliers in AustraliaBuying NPK compound fertiliser in Australia – choosing an analysis, comparing suppliers…
- Compound vs Blended Fertiliser: Which Should You Order?Compound and blended fertiliser compared – granule uniformity, segregation risk…
Enquire About NPK 18-6-18 CL & S Fertilizer
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