EFFICIENCY OF WATER-SAVING IRRIGATION PROCEDURES AND TECHNOLOGIES FOR COTTON IN THE CONTEXT OF GLOBAL CLIMATE CHANGE AND WATER SCARCITY
Keywords:
Climate change, water scarcity, cotton, irrigation regime, drip irrigation, irrigation rate, seasonal irrigation rate, productivity, soil, water-physical properties of soil, groundwater, salt regime, reclamation, efficiency, water economyAbstract
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.
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