In the article it is analyzed the policy of the centre of the further strengthening mono cultural clap in Uzbekistan that in undertaken measures on building of large irrigation canals and pumping stations in republic on the bases of archival sources and a historical material in 50-80 XX century. Besides, research showed that Soviet government, having outlined the appropriate political and economic goals in Uzbekistan, began to introduce into practical life a policy related to the development of the irrigation system and the construction of reclamation facilities.