TECHNICAL MEANS OF DRIP-SPRINKLER IRRIGATION SYS-TEMS

Abstract

The greatest application in irrigated agriculture is found in irrigation methods based on the principle of periodic accumulation of moisture in the active soil layer, such as surface irrigation and regular periodic sprinkling. Drip irrigation and fine sprinkler irrigation are promising irrigation methods for irrigating crops. However, using drip irrigation, the possibility of the influence of irrigation technology on the air environment adjacent to the plant is excluded, especially in conditions of high air temperatures and low air humidity, at which the growth and development of plants slow down. Sprinkling crops in areas of arid climate due to the creation of a microclimate in the near-ground air environment of plant development provides an increase in their productivity with the intensification of a number of physiological processes. The employment in common of drip irrigation and sprinkling allows to combine the good qualities, inherent in each technology separately and eliminate a number of disadvantages, inherent in their separate application. The development of technical means for the implementation of the combined irrigation technology was carried out on the basis of an analysis of existing structures for drip-sprinkler irrigation systems, taking into account the test results of previously created structures. The design features of new technical means for carrying out drip irrigation and sprinkling are considered. The developed technical means are suggested for irrigation of agricultural crops in regions with high air temperatures and its low humidity.