Slash-and-burn agriculture
Agricultural practice
Slash-and-burn agriculture is a form of shifting cultivation in agriculture that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The process begins with cutting down the trees and woody plants in a given area. The downed vegetation, or "slash", is left out to dry, usually right before the rainiest part of the year. The biomass is then burned, resulting in a nutrient-rich layer of ash which increases soil fertility and temporarily eliminates weeds and pests. After about three to five years, the plot's productivity decreases due to depletion of nutrients along with weed and pest invasion, causing farmers to abandon the plot and move to a new area. The time it takes for a swidden to recover depends on the location and can be as little as five years to more than twenty years, after which the plot can be slashed and burned again, repeating the cycle. In Bangladesh and India, the practice is known as jhum or jhoom.
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This entry incorporates text from “Slash-and-burn agriculture” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.