The correct option is A Methodological shift such as a change in cropping patterns and occupational shift including a change into other activities such as livestock, poultry, fisheries etc.
Diversification includes two aspects -one relates to change in cropping pattern and the other relates to a shift of the workforce from agriculture to other allied activities (livestock, poultry, fisheries etc.) and non-agriculture sector.
As agriculture is already overcrowded, a major proportion of the increasing labour force needs to find alternate employment opportunities in other non-farm sectors. The non-farm economy has several segments in it providing ample opportunities.