. . . . . . . . cultivation is mostly concentrated in peri-urban areas.

Solution (By Examveda Team)

Vegetable cultivation is mostly concentrated in peri-urban areas.
Peri-urban areas are zones of transition from rural to urban land uses located between the outer limits of urban and regional centres and the rural environment. The boundaries of peri-urban areas are porous and transitory as urban development extends into rural and industrial land.