AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
They abandon the plot because soil fertility decreases after two seasons of cropping. Moving to a fresh patch allows nature to replenish the soil's fertility naturally.
The key concept here is shifting (slash and burn) cultivation, called Dipa in Bastar. The textbook explicitly states: "When the soil fertility decreases, the farmers shift and clear a fresh patch of land for cultivation." For 1 mark, simply state the reason — declining soil fertility — and you will score full marks. Do not over-explain.