Author: Rustamova, K.B.; Sobirov, K.S.; Najmiddinov, M.M.

Annotation: In the article, based on the data obtained as a result of studies conducted on the experimental and control fields, cotton was watered twice during the growing season according to the 1-3-0 irrigation scheme during the production control of the experiment, after sowing, from seed germination to the periods of flowering and flowering-harvesting , due to high irrigation rates (1170-1240 m3/ha), a constant high level of pre-irrigation moisture was provided in the proposed soil layer, and the crop did not ripen. irrigated for the period showed that the seasonal irrigation rate was 4780 m3/ha.

Keywords: surface waters, irrigation, cotton, crop maturation period, vegetation period.

Pages in journal: 301 - 307