Easter Island’s Moai statues may have fertilized ancient inhabitant’s crops

The video discusses the Moai stone monoliths of Easter Island, believed to enhance crop fertility. Over 1000 statues were built under elite direction, showcasing human engineering. Research indicates that the Ran O Rahaku quarry is the origin for most Moai. Soil analysis reveals that quarrying released nutrients beneficial for crops like bananas and sweet potatoes, which were grown near the quarry.

Who directed the construction of the Moai statues?

What did researchers analyze to understand the soil conditions around the quarry?