Question

Which process involves use of earthworms in preparing manure?

• A. Vermicomposting
• B. Manuring
• C. Green Manuring
• D. All of these

Answer 1

The correct option is A

Vermicomposting

The correct option is A

Explanation of correct option:

Option A

1. The process in which worms are used to convert organic materials into humus-like material vermicompost, is known as vermicomposting.
2. Earthworms feed on waste organic material and produce worm humus or vermicast (worm feces).
3. These vermicast or earthworm excreta have reduced levels of contaminants and a higher nutrient concentration than the organic material.

Explanation of incorrect option:

Option B

1. Manuring is the process of adding manure to the crops.
2. Manures are excreta of animals or plant origin used as a source of nutrients for crops.

Option C

1. When the organic material used in manuring is of plant origin it is known as green manuring.
2. Manures on decomposition provide important nutrients to plants.

Final answer: Vermicomposting is a process that uses earthworms in preparing manure.