EDUCATION UGC NET
ENVIRONMENTAL STUDIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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as manure
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for production of biogas
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Both (A) and (B)
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none of these
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Detailed explanation-1: -Dung is also used as fuel in the form of dried cakes for cooking and heating as well as for production of bio-gas. Slurry, which is a by-product of bio-gas is an eminently rich source of manure and is, in turn, usable for enrichment of the soil. Cow urine is also of immense medicinal value.
Detailed explanation-2: -Complete answer: It is utilized as compost or pattings for fuel. The cow dung has antifungal and bug spray properties. The use of cow dung likewise improves soil saltiness and alkalinity.
Detailed explanation-3: -Ans. Cow dung can be used by burning cowdung itself or by burning biogas produced from it. Biogas is more efficient as it’s thermal efficiency is higher than that of cow dung.
Detailed explanation-4: -This is because it is rich in organic matter and nutrients as it consists of digested grass and grains. It adds both micro and macronutrients to the soil such as nitrogen, phosphorus, potassium, etc all of which are vital for the growth of plants.