Question

4. Give reasons for:
(a) Drip system is the best technique of watering plants.
(b) Earthworms are called a farmer's friend.
(c) It is important to turn and loosen the soil.
(d) On soaking seeds in water, some seeds float on the water.
(e) An appropriate distance between the seeds is important.​

Answer 1

Explanation:

a) It uses very less water and waters inly at the place where it requires

b) because they improve the soil quality and health of plants

Answer 2

Explanation:

Drip system is the best technique of watering plants.

(b) Earthworms are called a farmer's friend.

(c) It is important to turn and loosen the soil.

(d) On soaking seeds in water, some seeds float on the water.

(e) An appropriate distance between the seeds is important.