A farmer continuously applies sulphate of ammonia to his farmland for many years, the resulatant...
AGRICULTURE
WAEC 2015
A farmer continuously applies sulphate of ammonia to his farmland for many years, the resulatant soil solution is most likely to
- A. Leave blue litmus paper unchanged
- B. Change blue litmus paper to red
- C. Change red litmus paper to blue
- D. Be rich in soil microbes
Correct Answer: B. Change blue litmus paper to red
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