Jhum cultivation or shifting agriculture used to be practiced by the tribal groups in the north-eastern states of India like Arunachal Pradesh, Meghalaya, Mizoram and Nagaland also in districts of Bangladesh like Khagrachari , Sylhet. It is now less common. This system often involves clearing of a piece of land followed by several years of wood harvesting or farming until the soil loses fertility. Once the land becomes inadequate for crop production, it is left to be reclaimed by natural vegetation, or sometimes converted to a different long term cyclical farming practice. This system of agriculture is often practised at the level of an individual or family, but sometimes may involve an entire village.
Jhum Cultivation is most practiced on the hills and slopes of rural areas. Because the lack of smooth lands tribal groups developed this method of cultivation. They burnt all the trees and grasses for clean and fresh soil; this helps to fertilize the land, but can leave it vulnerable to erosion.
Later seeds and crops are planted. Plants on the slopes survive the rainy season floods.bn:জুম চাষ
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