Economic and power efficiency of cultivation of different grades and gibridov corn sugar

The results of study of the variety structure of sugar corn in the Left-bank Forest-steppe of Ukraine are presented in the article. In the group of early-maturing varieties, the hybrid Spirit was found to be the most productive (5,4 t/hectare) and profitable (113,0 %) with energy efficiency ratio 2,9. The mild-ripening hybrids Bold F1 and Bonus F1 showed the productivity - 4,8-5,7 t/hectare, the profitability - 101,8124,9 %, and the energy efficiency ratio - 2,60-3,06, respectively.