# N:P:K Fertilisers

> This section is the three numbers on a fertiliser bag: what N:P:K means, what the number in brackets means, and how to calculate the % and mass of N, P and K in a mixed bag. It is not the Haber…

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## Full notes

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## More in The Fertiliser Industry

- [Industrial Production of Fertilisers](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-fertiliser-industry/industrial-production-of-fertilisers) — Previous section
- [Environmental Impact and Alternatives](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-fertiliser-industry/environmental-impact-and-alternatives) — Next section
- [All The Fertiliser Industry sections](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-fertiliser-industry)

## Frequently asked questions

### What will I learn in "N:P:K Fertilisers"?

This section covers N:P:K Fertilisers as part of The Fertiliser Industry in Grade 12 Physical Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "N:P:K Fertilisers", are written against the official CAPS curriculum and ATP for Grade 12 Physical Sciences.

### What should I study after "N:P:K Fertilisers"?

Continue with the next section in The Fertiliser Industry, or test your understanding with the interactive quiz linked to this section.

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