Question : ___________ is an environment-friendly and useful method of conversion of rural and urban organic waste into good-quality manure.
Option 1: Vermicomposting
Option 2: Illuviation
Option 3: Leaching
Option 4: Eluviation
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Correct Answer: Vermicomposting
Solution : The correct answer is Vermicomposting .
Vermicomposting is a scientific process of producing compost in which organic waste is converted into highly nutritious manure by earthworms. Earthworms feed on organic waste and produce " vermicasts ", which are rich in minerals, including calcium, magnesium, potassium, phosphorus, as well as nitrates. These improve the quality of the soil and are used as fertilisers.
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