The Chincha Kingdom was transporting seabird excrement from islands to valleys as early as the 13th century, and this powerful fertiliser may have been key to its economic success ...

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

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 ...

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 ...

New archaeological evidence reveals that seabird guano—nutrient-rich bird droppings—was not only essential to boosting corn yields and supercharging agriculture in ancient Peru, but it may have been a ...

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 ...