Why did the Inca build terrace farms?
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The terraces were built to make the most efficient use of shallow soil and to enable irrigation of crops by allowing runoff to occur through the outlet. The Inka people built on these, developing a system of canals, aqueducts, and puquios to direct water through dry land and increase fertility levels and growth.
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Because the Incas lived in the mountains, they had no flat land for farming. They had to build wide step-like areas called terraces for farming. Through terrace farming, the Incas were able to provide for all people in the empire. The Incas grew potatoes and other crops that could resist cold nights.
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