Water-Physical Properties Of Soils In Drip Irrigation Of Cotton
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Abstract
The article presents the results of the research conducted on the study of the processes that took place in the water-physical parameters of the stands during the maintenance of cotton varieties under different irrigation technologies in the conditions of the fields of the southern region of Uzbekistan. In this, 5 varieties of cotton (Bukhara-102, Sultan, Istiqlal-14, SP-1607 and Surkhan-106) were studied under irrigation and drip irrigation (TS). In the experiment, irrigations were carried out in different order (65-70-65 in TS, 70-70-65 percent in control watered with 70-75-65) according to limited field moisture capacity of the soil (ChDNS). As a result of scientific research, Istiqlal-14 and SP-1607 varieties of cotton were accepted as suitable for growing cotton in TS fields, and they were recommended for planting in production. It should be noted that the basic water-physical properties of the soil, such as volume mass, porosity, and water permeability, were improved in TS compared to the irrigated areas, the water consumption during irrigation was reduced by 40-45 percent, and the cotton yield was 10-15 percent higher. In general, drip irrigation has been found to be an effective technology in cotton care under the hot and dry climate conditions of the southern region.
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References
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