Winter Wheat is an important cereal crop for the population of Uzbekistan. The objective was to study the effect of different sowing dates, irrigation regime and various levels of fertilization on the growth and development of Asr cultivar of winter wheat. The experiment was conducted on the field №119 of the Dildora-Bojimon farm of Yangibazar district of the Khorezm region during 2014-2016. Statistical analysis of the data showed that different sowing dates, irrigation regime and fertilization levels had a significantly affected on plant height (cm), number of total tillers and number of productive tillers m-2 of winter wheat.