Why do slash-and-burn cultivators stop using a plot of land every two to three years?
A) They burn so much wood that the air becomes too polluted to support a healthful existence.
B) Slash-and-burn cultivation is unique to segmentary-lineage organized societies, and crop rotation follows the cycle of interlineage exchange.
C) Slash-and-burn cultivation is associated with big-game hunting, which requires regular movement so as not to deplete the animal population.
D) Slash-and-burn cultivators use relatively primitive irrigation systems, which have to be repaired every three to four years.
E) The wild vegetation needs time to reestablish itself before it is burned to clear the land and fertilize the soil.

Question

Quizplus · Accepted Answer

Slash-and-burn cultivators stop using a plot of land every two to three years because the wild vegetation needs time to reestablish itself before it is burned to clear the land and fertilize the soil. This is necessary for the health of the soil and to ensure adequate future harvests.

Why Do Slash-And-Burn Cultivators Stop Using a Plot of Land