02. Bioenergy potential of perennial grasses’ phytocenosis

https://doi.org/10.31073/agrovisnyk201602-02
Kurgak V. G., Tkachenko A. M.
Pages: 11-16.

Full article: 
Abstract
The purpose. To determine bioenergy potential of perennial grasses’ phytocenosis of Ukraine and to make suggestions on its implementation. Methods. System analysis, field, laboratory, economic-mathematical. Results. Bioenergy potential is shown of perennial grasses’ phytocenosis of Ukraine and power productivity of rare perennial crops and varied meadow grass stands depending on technological receptions of growing. Conclusions. Perennial agrophitocenosises (natural forage lands, vegetation of overflow lands, marshes, and power crops) are the important reserve for production of biological fuel from biomass. The most efficient perennial power crops (Miscanthus × giganteus J.M. Greef, Deuter ex Hodk., Silphium perfoliatum, Polygonum weyrichii and Polygonum sachalinensis, Sida hermaphrodita Rusby, Heliánthus tuberósus) ensure deriving of 14 – 18 tons of dry solid matter from 1 hectare and 250 – 300 gigajoules of heat energy, improved natural forage lands — 4 – 6 tons and 75 – 110 gigajoules accordingly.


Key words: perennial grasses’ phytocenosis, bioenergetics, biomass, energy potential, natural forage lands, productivity.



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