The farming practice by which an exhausted farm land is left for a number of years before cultivation is known as

The farming practice by which an exhausted farm land is left for a number of years before cultivation is known as "bush fallowing". In this practice, the farmer allows the land to rest and regenerate by allowing natural vegetation to grow back over a period of time. This allows the soil to regain its nutrients and become fertile again. Bush fallowing is a traditional method of agriculture that has been used in many parts of the world for centuries. It is particularly useful in areas where the soil is poor and prone to erosion, as it helps to improve soil quality and prevent soil degradation. After the fallow period, the land can be used for cultivation again, and the cycle can be repeated. This practice is sustainable and helps to maintain soil fertility, biodiversity, and ecosystem health.