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Question

Which one of the following will enhance the availability of macronutrients in soil?

A
Silkworm
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B
Earthworm
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C
Tapeworm
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D
Hookworm
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Solution

The correct option is B Earthworm
Earthworms are the organisms which help to increase the availability of macronutrients in soil through aeration. They also help to enhance the porosity of the soil. As a whole these type of organisms promote soil fertility.

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