(artificial lakes); and the improvement of cultivation tools, like the chaquitaclla and the raucana. The potato was the staple food with over 200 species
VIII. Highland Roads and Bridges. Wynne Gade, Daniel; Rios, Roberto. "Chaquitaclla, the native footplough and its persistence in Central Andean agriculture"
species furnishes a hard wood for tools and is often used to manufacture chaquitacllas (a tool used for soil plowing) by the indigenous peoples of the Andes