worms play a very important role in maintaining ecological balance they are friends of farmers. form groups and discuss the significance of worms in the above two rolls
Answers
Worms, especially earthworms, are beneficial to the soil and plant growth. They convert large organic matter into rich humus which make the soil fertile. They also ingest small soil or sand particles and then excretes it into the soil. The excreta, is easily absorbed by the plants and it helps in their growth and development. The burrows created by earthworms improves the aeration and drainage of the soil.
For these reasons, earthworms are rightly called the ‘Farmer’s friend’.
Worms are known as friends of farmers as they loosen the soil .
The worms also add humus to it by decomposing the dead plants and animals in the soil, similar to the microbes.
Humus is the storage site of vital plant nutrients .
It enhances the water absorption and water holding capacity of the soil by increasing air spaces.