Correct Answer:
Option A - Primitive subsistence farming is called as a slash and burn agriculture. Farmers clear a patch of land and produce cereals and other food crops to sustain their families. When the soil fertility decreases, the farmers shift and clear a fresh patch of land for cultivation.
A. Primitive subsistence farming is called as a slash and burn agriculture. Farmers clear a patch of land and produce cereals and other food crops to sustain their families. When the soil fertility decreases, the farmers shift and clear a fresh patch of land for cultivation.