Answer:
When farmers in South and Southeast Asia use the slash-and-burn technique, they clear a patch of land by cutting down trees and other vegetation, then setting it on fire. The ashes of the burned plants provide nutrients for the soil, which can help crops grow.
After the initial crop is harvested, the farmers typically move on to a new patch of land and repeat the process, leaving the previous patch to regenerate over a period of years. This is often referred to as shifting cultivation or swidden agriculture.
While the slash-and-burn technique can be an effective way to clear land for farming in areas with poor soil quality or limited resources, it can also have negative environmental impacts, such as soil erosion, deforestation, and air pollution. Additionally, the increased use of mechanized agriculture and other modern techniques has led to a decline in the practice of slash-and-burn farming in many areas.
Step-by-step explanation: