EFFICIENCY OF WATER-SAVING IRRIGATION PROCEDURES AND TECHNOLOGIES FOR COTTON IN THE CONTEXT OF GLOBAL CLIMATE CHANGE AND WATER SCARCITY

Аннотация

Ancient irrigated meadow-alluvial, medium sandy soils of Bukhara region according to the mechanical composition, groundwater level 1.5-2.0 m, hydrogeological conditions with mineralization 1.0-3.0 g / l, pre-drip irrigation of cotton maintenance of humidity at 70-80-65% relative to ChDNS, irrigation with 2750 m3 / ha seasonal irrigation norms in 1-3-0 system by growth phases, irrigated meadow-gray, medium sandy soils of mechanical composition of Kashkadarya region, groundwater level 3 , 0-4.0 m, in hydrogeological conditions with a mineralization of 1.0-3.0 g / l. In system 0, irrigation with seasonal irrigation norms of 2820-2860 m3 / ha is recommended.