Which of the following is not true for fertilisers?
A. They increase the yield.
B. Their excessive use disturbs the balance of nutrients in soil.
C. They are generally used in small quantity.
D. They are environment friendly.
Answer:D
Which of the following is not true for fertilisers?
A. They increase the yield. B. Their excessive use disturbs the balance of nutrients in soil. C. They are generally used in small quantity. D. They are environment friendly.