Central Asia, 130 Years of Russian Dominance: A Historical OverviewArchived 2016-06-24 at the वेबैक मशीन, Edward Allworth, Duke University Press, 1994, ISBN 978-0-8223-1521-6, ... large scale attempts to irrigate the Mirzachol Sahra, which had also been the aim of the czarist authorities between 1870 and 1917 ... By 1939 the irrigated area had expanded to 238,000 acres (95,000 hectares) ... Romanovskii Canal ... Kirov Canal ... much of the soil in the Mirzachol Sahra is of a salt-marsh type, and considerable leaching with water is necessary before it can be cultivated ...
Central Asia, 130 Years of Russian Dominance: A Historical OverviewArchived 2016-06-24 at the वेबैक मशीन, Edward Allworth, Duke University Press, 1994, ISBN 978-0-8223-1521-6, ... large scale attempts to irrigate the Mirzachol Sahra, which had also been the aim of the czarist authorities between 1870 and 1917 ... By 1939 the irrigated area had expanded to 238,000 acres (95,000 hectares) ... Romanovskii Canal ... Kirov Canal ... much of the soil in the Mirzachol Sahra is of a salt-marsh type, and considerable leaching with water is necessary before it can be cultivated ...