The seeds of the Inca Empire were planted about 2,700 years ago when a warm spell combined with piles of llama excrement allowed maize agriculture to take root high up in the South American Andes, ...
The Incas also used llama manure as fuel to cook and make ceramics. Research has found that manure from llama herds provided fertiliser which enabled corn to be cultivated at very high altitudes – a ...
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