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What is the main purpose of using fertilisers in agriculture?
Which of the following elements is NOT part of the NPK fertilisers?
Which of the following is an advantage of using artificial fertilisers over natural alternatives like manure?
If a farmer notices that their crops have weak stems and pale leaves, which element should they increase in their fertiliser mix?
Which compound is produced by treating phosphate rock with sulfuric acid?
Which reaction is used to produce ammonium nitrate?
A farmer wants to improve the root growth of their crops. Which of the following fertilisers should they use to achieve this goal?
A gardener needs to create a custom NPK fertiliser mix that contains both nitrogen and potassium. Which of the following combinations would achieve this?