Yup, sure does. Have you noticed how these guys (authors/writers) are completely unaware of the discoveries in the article below?
Rainforest Researchers Hit Paydirt (Farming In South America 11K Years Ago)
" A Brazilian-American archeological team believed terra preta, which may cover 10 percent of Amazonia, was the product of intense habitation by Amerindian populations who flourished in the area for two millennia, but they recently unearthed evidence that societies lived and farmed in the area up to 11,000 years ago."