Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/84242
Type of publication: research article
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Baležentienė, Ligita;Užupis, Arnoldas
Title: Evaluation of renewable energy efficiency of Galega biomass
Is part of: Applied information and communication technologies [elektroninis išteklius]: proceedings of the 5-th international scientific conference, Jelgava, Latvia, april 26-27, 2012. Jelgava, 2012
Extent: p. 237-241
Date: 2012
Keywords: Sustainable environment;Renewable energy;Galega;Biomass;Energetic value
ISBN: 978-9984-48-065-7
Abstract: The objective of this study was to quantify the environmental sustainable and renewable energy of fodder galega (Galega orientalis Lam.) at different growth stages and during vegetation period. Field trials carried out at the Research Station of Aleksandras Stulginskis University on a sandy moraine humic horizon of Calcary–Epihypogleyic Luvisol (LVg-p-w-cc). Galega crop is notable for its longevity, high overwintering peculiarities and heavy yield. Fodder galega ensure 60 - 75 t ha -1 green mass, 15 - 17 t ha -1 hay, 14.79 t ha -1 dray matter and 0.3 - 0.7 t ha -1 seed. Galega growing season lasts a long time, from early spring until late autumn. Depending on meteorological conditions its vegetation finishes in the end of October – beginning of November. Thus fodder galega is high valuable as suitable supplement for green conveyer. Galega production is characterized by low fertilizer and pesticide requirements making it a relatively benign crop environmentally. Content of crude fiber and dry matter increases with the stages of plant development and the best energy value of green mass is received in case of galega harvesting in the flowering stage. Maturation of the crop increase in crude fibre content up to 285 g kg-1 DM, thus reducing their digestibility, but increasing energetic value output to10.79 MJ kg-1. Therefore long-term fodder galega can be used as energetic plant producing sufficient biomass yield with high energetic value. Three-cut system at plant flowering stage guaranteed to obtain a heavy biomass yield with higher energy content. Moreover, this undemanding plant can be linked to exploited in abandoned areas of biomass production and thereby protect these areas from forest overgrowth
Internet: https://hdl.handle.net/20.500.12259/84242
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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