Ammonium sulfate, $(\text{NH}_4)_2\text{SO}_4$, together with ammonium nitrate, $\text{NH}_4\text{NO}_3$, are employed as fertilisers. The percentage by mass of nitrogen is different in these salts. Each has the same effect as the other on the pH of neutral soil. Which row is the correct one?
- Aammonium nitrate; decrease
- Bammonium nitrate; increase
- Cammonium sulfate; decrease
- Dammonium sulfate; increase