Dziubenko I. The productivity of sugar beet hybrids according to the application of microfertilizers and harvesting time in the Right-bank Forest-steppe of Ukraine

In the dissertation are shown the main results of researches of the studing the peculiarities of the productivity formation of sugar beet hybrids of Ukrainian selection which depends on the foliar fertilization of microfertilizers in the phase of leaf closing in the rows and terms of harvesting in the soil-climatic conditions of Right-bank Forest-steppe of Ukraine. Were proposed the best hybrids of sugar beetroot, more effective microfertilizers for foliar application of crops, and the optimal harvesting time was determined depending on the purposes of its use. Relationships and mathematical dependencies between sugar beet productivity and yield quality were established. The economic and bioenergetic analysis of sugar beet growing technology for sugar which depends on the varietal characteristics of hybrids, foliar fertilization with microfertilizers and harvesting terms was carried out. The experimentally obtained and generalized material makes it possible to recommend to the introduction into production the elements of the technology of growing hybrids of sugar beet of the Ukrainian selection in conditions of Right-bank Forest-steppe of Ukraine, which provide an increasing in root crop yields - at 2,0-12,1%, sugar content increase - at 1,8-9,7% and the increase in the profitability of sugar beet cultivation technology for sugar at 3,7-22,5%. Key words: sugar beet, foliar nutrition, microfertilizer, harvest time, productivity.