Aswan Dam droughts in 1972–73 and 1983–87 that devastated East and West Africa. The High Dam allowed Egypt to reclaim about 2.0 million feddan (840,000 hectares) in the Nile Delta and along the Nile Valley, increasing the country's irrigated area by a third. The increase was brought about both by irrigating what used to be desert and by bringing under cultivation of 385,000 ha that were previously used as flood retention basins. About half a million families were settled on these new lands. In particular the area under rice and sugar cane cultivation increased. In addition, about 1 million feddan (420,000 hectares),
Toktogul Dam Toktogul Dam Toktogul Dam is a hydroelectric and irrigation dam on the Naryn River in the Jalal-Abad Province of Kyrgyzstan. It is concrete gravity dam with height of and length of . It is a part of the Naryn-Syr Darya cascade. It is named after Toktogul Satilganov. The Toktogul Hydroelectric Station has installed capacity of 1,200 MW, which makes it the largest power plant in the country. It has four turbines with capacity of 300 MW each. Toktogul Reservoir (, ; ) is the largest of the reservoirs on the path of the Naryn River, a northern tributary of the