Key term for OCR GCSE Chemistry A, used in Improving processes and products.
Formulations containing specific ratios of nitrogen, phosphorus, and potassium, the three essential elements for plant growth.
NPK fertilisers appears in OCR GCSE Chemistry A revision content for Global challenges, especially Improving processes and products and Industrial Fertiliser Processes.
Create a free account to access OCR GCSE Chemistry A revision notes, track progress, and practise related key terms.