This article is about Shifting cultivation. For a focus on slash and burn farming methods, see Slash-and-burn.
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Slash-and-burn based shifting cultivation is a widespread historical practice in southeast Asia.[1] Above is a satellite image of Sumatra and Borneo showing shift cultivation fires from October 2006.
Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation is allowed to freely grow while the cultivator moves on to another plot. The period of cultivation is usually terminated when the soil shows signs of exhaustion or, more commonly, when the field is overrun by weeds. The period of time during which the field is cultivated is usually shorter than the period over which the land is allowed to regenerate by lying fallow.
This technique is often used in LEDCs (Less Economically Developed Countries) or LICs (Low Income Countries). In some areas, cultivators use a practice of slash-and-burn as one element of their farming cycle. Others employ land clearing without any burning, and some cultivators are purely migratory and do not use any cyclical method on a given plot. Sometimes no slashing at all is needed where regrowth is purely of grasses, an outcome not uncommon when soils are near exhaustion and need to lie fallow.
In shifting agriculture, after two or three years of producing vegetable and grain crops on cleared land, the migrants abandon it for another plot. Land is often cleared by slash-and-burn methods—trees, bushes and forests are cleared by slashing, and the remaining vegetation is burnt. The ashes add potash to the soil. Then the seeds are sown after the rains.
^Spencer, J. E. (1966), Shifting cultivation in southeastern Asia (Vol. 19), University of California Press, ISBN 978-0520035171
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Shiftingcultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation...
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Measures to be taken to reduce and ultimately eliminate the practice of shiftingcultivation by Tribals that lead to their continuous disempowerment and degradation...
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with water and transitions from practices such as agroforestry and shiftingcultivation makes land susceptible to aeolian erosion by weakening soil composition...
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lower Himalayan foothills. In this habitat, the Boros practised shiftingcultivation for self-sustenance and controlled forest products. To cultivate...
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