Abstract
The paper deals with the adaptive properties of the new fodder culture of Eastern galega, variety‘ Elya-Ty”, its influence on the productivity, nutritional value and botanical composition of haying hytocenoses for the research period of 2003-2022. The natural and climatic conditions are favorable for Eastern galega breeding as evidenced by the ecological test data of its biopotential in the floodplain ecosystem of the Lower Pechora River. The area differs by temperature regime (average daily temperatures of 8.6–16.2 °C) and moisture conditions from arid to excessively moist (hydrothermal coefficient 0.6–3.9) with the production of 80–294 centners/ha of green mass without fertilizer. By the correlation analysis, economic characters of the cultivar moderately to strongly depend on the deficiency coefficient of active (˃10 °S) and average daily air temperatures. The productivity of galega is characterized by a moderate type of fluctuation. By the data obtained, the productivity increase is mean stable (p = 0.391) with high dependence on random meteorological factors during the vegetation period and in winter time (JR = 0.7571). 1 kg of feed contains 0.70 feed unit, 9.3 MJ exchange energy, nitrogen-free extractable substances - 45.1, raw protein - 19.5, raw fiber - 27.6, raw fat and ash - 1.86 and 5.9, respectively, and sugar - 9,5 %.
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