Question

What is merits and demerits of multiple croping

Answer 1

the merits is
in a piece of land the farmer grow more than one type of crops and earn more money


demerits
in a piece of land if farmer grow more than two type of crops then the quality of crops become less in the crops

Answer 2

the demerits is
in this system the quality and quantity of crop is bad.
in merit is
in one piece of land a farmer grow one and more type of crop and earn more money