Question

why earthworms are known as farmer's friends or nature's ploughmen

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Answer 1

Earthworms are called as nature's ploughman because they loosen the soil when they burrow and this is good for the soil because it lets the CO2 out and the O2 in. It also helps to mix the nutrients in the soil, making it better for plants to grow.

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Answer 2

Answer:

Earthworms make their way to the soil, by loosening the soil and allowing more air to get in.Their body excretes undigested materials that increase the fertility of soil.They also help in the decomposition of organic wastes and stabilize a wide variety of wastes. This is called vermicomposting . All this helps the crops to grow, That is why earthworms are regarded as farmers friends.