Geography of South America world by drainage area—the Amazon River and the more southerly Paraná River. The other major river of this central lowland is the Orinoco River, which has a natural channel linking it with the Amazon. Most of this central lowland is sparsely populated because the soils are heavily leached, but in the south is the very fertile pampas of Argentina—one of the world's major food-producing regions where wheat and beef cattle are pre-eminent. The natural vegetation of the northern lowlands are either savanna in the northern "llanos" and southern "campos", or tropical rainforest throughout most of the Amazon basin. Efforts to
History of the Argentina national rugby union team played on the tour, with Argentina losing 23–0. The following month Argentina left the country to play their first away tests – against Chile in Valparaíso. Argentina won the first test (and their first game), 29–0. The second match was won by a similar margin. Two years later Argentina hosted Chile, which resulted in Argentina winning by 30 points. Argentina hosted the first South American tournament, in 1951. The other teams participating were Uruguay and Chile. Argentina won the tournament after large victories over Uruguay (62–0) and Brazil (72–0) being the last v. Chile by 13–3. All the matches were