Abstract
Currently, the issue related to land reclamation is relevant due to the annual commissioning of new irrigated areas. However, most irrigation equipment is outdated and does not meet the modern requirements of irrigation technology. It is necessary to simultaneously modernize the old-style sprinkler equipment and design, create a new generation of equipment, modifications that expand operational capabilities and increase work efficiency. The most important factors of the competitiveness of modern wide-coverage sprinkler equipment are such indicators as productivity and reliability, energy intensity and environmental safety of the irrigation process. A feature of the operation of sprinkler machines is that the supporting surface during operation is moistened, and with significant watering rates, waterlogged soils. The aim of the work was to increase the environmental safety of irrigation with a wide-coverage sprinkler technique by improving the design and technological parameters based on experimental and theoretical studies of the "irrigation norm-soil-sprinkler machine" system. The research program included determining the irrigation rate before runoff, comparing the standard and proposed irrigation technology with a sprinkler machine. In the presented studies, based on the relationship of the irrigation norm - soil - sprinkler system, a method for adjusting the irrigation norm to ensure environmental safety was presented, the ratios of the design parameters of the water supply pipeline, span lengths and types of running systems were optimized, depending on the irrigation norms, the bearing capacity of the soil and the flow rate. The regularities of the process of track formation throughout the irrigation season during watering with different norms are revealed and recommendations for the choice of running systems are given.
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