INDIAN HISTORY

Detailed explanation-1: -There, at Lothal and Rangpur, has been found the earliest South Asian evidence of rice cultivation, in the later Harappan period. Subsequently, wheat, cotton, flax, and lentils spread into the region from the Indus valley, and pulses and millets from the south.

Detailed explanation-2: -There is evidence that the Harappans cultivated Italian millet, ragi and amaranth, as well as sorghum and rice.

Detailed explanation-3: -Indus farmers used rice as a summer crop after its introduction. Most ancient civilizations stockpiled their crops instead of practicing seasonal rotation. Indus crops were particularly diverse.