Pre-Inca platforms in the Colca River Valley
Pre-Inca platforms in the Colca River Valley
Its construction, between the years 1100 and 1450, demonstrates the ancestral knowledge of sustainable agriculture. The ancient Peruvians modified the slopes of the mountains by creating terraces for rotating crops, with diverse microclimates. At their base, the platforms maintain the roots of the natural vegetation, to prevent erosion from rain or the melting streams that irrigate the land. On this base they have a retaining wall made of medium stones; a fill composed of small stones, and on top of this, a layer of fertile soil with a thickness of between 40 and 60 centimeters that allows the cultivation of various plants that feed the population of the city of Arequipa to this day.
: Nadia Cristina Ledesma Chacate
: Caylloma, Arequipa, Peru
: September 17, 2024
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