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The origin of terraces or andenes in the Andes is poorly understood, but they were being built by 2000 BCE. Agriculture became essential for the subsistence of a growing population after 900 BCE. People of the Huarpa culture and the later Wari culture (500–1000 CE) built terraces into the hillsides of the Andes in Peru. [4]
Terraces were built to permit agriculture in the rugged terrain of the Andes. The heartland of the Inca Empire was in the high plateaus and mountains of the Andes of Peru. This area is mostly above 3,000 metres (9,800 ft) in elevation and is characterized by low or seasonal precipitation, low temperatures, and thin soils.
In the South American Andes, farmers have used terraces, known as andenes, for over a thousand years to farm potatoes, maize, and other native crops. Terraced farming was developed by the Wari culture and other peoples of the south-central Andes before 1000 AD, centuries before they were used by the Inca, who adopted them. The terraces were ...
Noted American archeologist Ephraim George Squier noted several aqueducts during his exploration of Peru in the late 1800s, including those that watered gardens on the terraces of the Yucay or Sacred Valley, north of Cuzco. He also recorded an account of the ruins of a sixty-foot-high aqueduct in the foothills of the Andes near Lima. [4]
The plateau is located at the latitude of the widest part of the north–south-trending Andes. The bulk of the Altiplano lies in Bolivia, but its northern parts lie in Peru, and its southwestern fringes lie in Chile. There are on the plateau many towns and several cities, including El Alto and Oruro in Bolivia, Juliaca and Puno in Peru.
The community plays a large role in the life of Andean farmers. Much of the farm labor is split among the community especially during harvest time. They also play a role in storing and passing along ancestral knowledge regarding agriculture of the region.
The earliest civilizations were on the hyper-arid desert coast of Peru. Agriculture was possible only with irrigation in valleys crossed by rivers coming from the high Andes, plus in a few fog oases called lomas. In the Andes, agriculture was limited by thin soils, cold climate, low or seasonal precipitation, and a scarcity of flat land.
There are four terraces here that were used as ceremonial space. [22] In the walls of the terraces there is a zigzagged design. Sector VII can be reached from the main plaza by pathway. Located on the east side of Choquequirao, this zone contains cultivation terraces that have markedly greater amplitude than all others throughout the complex.