Question

05. Name the following: (5 marks )
The element which is used to manufacture fertilisers​

Answer 1

Answer:

Primary fertilizers include substances derived from nitrogen, phosphorus, and potassium. Manufacturers make compound fertilizers by using basic fertilizer materials, such as ammonia (NH₃), ammonium phosphate, urea, sulfur (S) and potassium (K) salts.

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Answer 2

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Modern chemical fertilizers include one or more of the three elements that are most important in plant nutrition: nitrogen, phosphorus, and potassium. Of secondary importance are the elements sulfur, magnesium, and calcium.