Seabird guano fertilization boosted maize production in ancient Peru, fueling Chincha wealth, trade networks, and strategic Inca alliances.

PLOS One presents evidence that communities in Peru’s Chincha Valley were fertilizing maize with seabird guano by at least ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The use of seabird poop as a fertilizer for corn and other food crops supported the ...

Powerful fertiliser based on seabird droppings may have fuelled the rise of a Peruvian agricultural kingdom 900 years ago and helped drive its eventual takeover by the Incas. Chemical analyses of ...

Though it authorized our nation's earliest imperialistic land grab outside our continent, the 1856 Guano Islands Act is little known today. The act stated that the United States could claim any island ...

Add Yahoo as a preferred source to see more of our stories on Google. Islands off the coast of Peru are home to millions of seabirds. Their droppings were an important fertiliser for Indigenous people ...