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14 cards from this deck
Manufacture of fertilisers
Chemical mixtures that enhance crop growth
NPK fertilisers
Nitrogen (NNN), phosphorus (PPP), potassium (KKK)
Essential elements for plant growth
Ammonium salts and nitric acid
Ammonium nitrate
Phosphate rock (mined and processed)
Potassium chloride and potassium sulphate
No, cannot be used directly
Treated with nitric acid
Soluble salt
Significantly boost crop yields
Crucial component
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