Suggest two reasons why a farmer might use sulphate of ammonia rather than other forms of artificial nitrogenous fertilisers. - Leaving Cert Agricultural Science - Question 1(i) - 2010
Question 1(i)
Suggest two reasons why a farmer might use sulphate of ammonia rather than other forms of artificial nitrogenous fertilisers.
Worked Solution & Example Answer:Suggest two reasons why a farmer might use sulphate of ammonia rather than other forms of artificial nitrogenous fertilisers. - Leaving Cert Agricultural Science - Question 1(i) - 2010
Step 1
Not as high in nitrogen as urea or CAN
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Answer
Sulphate of ammonia contains a lower percentage of nitrogen compared to urea and calcium ammonium nitrate (CAN), making it less likely to cause nitrogen burn in plants. This can be particularly beneficial for delicate crops.
Step 2
Cheaper and reduces soil pH
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Answer
Sulphate of ammonia is often cheaper than other nitrogenous fertilisers. Additionally, its application can lower the pH of alkaline soils, improving nutrient availability and creating a more acidic environment that can benefit certain crops.
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