Modern Phytomorphology

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Economic and energy efficiency of growing legume grasses


Karbivska U.M., Kovalenko I.M.*, Onopriienko V.P., Onychko T.O., Radchenko M.V., Pshychenko O.I., Hotvianska A.S., Tykhonova O.M., Vereshchahin I.V., Bordun R.M. and Tymchuk D.S.

Modern requirements of agriculture stand in need of new approaches to provide the region with high quality fodders and develop new methods of their production. Therefore, solving the problem of providing animals with cheap full value grass fodder, the production of which is based on modern technologies with taking into account existing trends of climatic change, and in our region, is undoubtedly relevant. Calculations of economic and energy efficiency showed that cultivation of perennial legume grasses without application of mineral fertilizers under conditions of Precarpathians provided net profit of 11.1-15.8 thousand UAH/ha, profitability level of 160-183%, prime cost per 1 ton of fodder units 1.7-1.9 thousand UAH – cost, 2.8–3.3 – recoupment of energy costs by the outcome of exchange energy per 1 ha (BEC) and output of gross energy (CEE) 6.4–7.6 – at energy costs per 1t of fodder units 3.6–4.3 GJ. Among the types of perennial legume grasses on all backgrounds of fertilizers on average for the first three years of grasslands use the best indices of economic and energy efficiency were obtained when growing Lotus corniculatus, and the worst – Medicago sativa. Other studied species, namely Trifolium pratense and Trifolium hybridum, occupied an intermediate place by these indices. Among fertilizer variants, the best indices of economic efficiency are provided by application of mineral fertilizers at a dose of ?6


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