Ancient Amazonian farmers fortified valuable land they had spent years making fertile to protect it

Cortez Deacetis

Image: excavations view more  Credit: Mark Robinson Historical Amazonian communities fortified valuable land they experienced expended decades making fertile to protect it from conflict, excavations show.&#13 Farmers in Bolivia produced wood defences all over earlier nutrient-very poor tropical soils they experienced enriched around generations to preserve them harmless through situations of […]