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IRRIGATION – A KEY TOOL OF AGRICULTURAL DEVELOPMENT AND MINIMIZATION OF THE EFFECT OF CHANGES IN CLIMATE ON SOCIO-ECONOMIC DEVELOPMENT OF UKRAINE

INTRODUCTION Irrigation is one of the main ways of effective sustainable agriculture in Southern region of Ukraine and of reduction of its dependence on the influence of natural and climatic conditions. Irrigation contributes to the reduce or even complete elimination of water balance deficit, increases crop yields by almost 3-5 times and ensures food security of Ukraine. To ensure the development of irrigated agriculture and meet the needs in water resources, a powerful water-meliorative complex was built in Ukraine, which is one of the most powerful segments of the economy. It is represented by a large number of water, meliorative and engineering objects and the related infrastructure. On the one hand, the development of irrigated melioration leads to significant changes in the intensity and orientation of natural processes, and on the other – irrigated melioration is one of the important factors of the economic efficiency of the agrarian sector and a condition for ensuring sustainable agricultural production, especially in years with unfavorable natural and climatic conditions. Food security, economic and social situation in the region and in the country on the whole depend to a large extent on the efficient use, conservation and reproduction of the fertility indexes of the irrigated lands. Therefore, the question of restoration and further development of irrigated agriculture is considered in the context of the modernization of the water sector and the improvement of institutional support for the development both of water-meliorative complex and the agrarian sector of the economy.