Pheretima posthuma is highly useful as

their buffows make the soil loose

they make the soil porous, leave their castings and take organic debris in the soil

they are used as fish meal

they kill the birds due to biomagnification of chlorinated hydrocarbons

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Pheretime posthuma is useful for farmers as they enrich the soil by their excretory wastes and make the soil porous.

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Question Text	Pheretima posthuma is highly useful as
Answer Type	Text solution:1
Upvotes	150