What is the advantage of green manure?

The government was setting up a school in the village. In the panchayat,Vinod,who had just completed his class $X$,suggested that the children should be taught about different agricultural practices and the use of modern technology in them. The Sarpanch liked the idea and arranged for the same.
$(a)$ Children were taught that wheat cannot be grown in the kharif season. Why?
$(b)$ Mention the desirable agronomic character for cereals.
$(c)$ Do you support the suggestion to the Sarpanch? Mention any two values for which Vinod is worth admiration.

What is mariculture and aquaculture?

Out of boilers and layers,which one is used to produce eggs?

The preventive and control measures which are used before grains are stored for future use include:

Differentiate between compost and vermicompost.