Question

Dinesh is a farmer. He got pH of his soil tested and followed advice of Agricultural Scientists of 'Kissan Centre' in growing crops. He got better quality of crops this year. Answer the following questions.

(a) Why should we get our soil tested?
(b) If soil has pH less than 7, how can we make it neutral?

Answer 1

(a) Plants need a specific pH test, so that we should check the pH range of the soil.
By knowing the pH range, we can determine the appropriate amount of fertilizers to use so that the production of crop to increase.
The soil pH is important because it affects the presence of nutrients in the soil.
[1 Mark]

(b) If the soil has pH less than 7, we can make it neutral by using calcium carbonate (limestone) as it increases the pH of soil.
[1 Mark]