Продуктивность многолетних бобовых и мятликовых трав в условиях северо-восточной части Республики Беларусь
2009
Lukashevich, N.P. | Emelin, V.A. | Yanchik, S.N., Vitebsk State Academy of Veterinary Medicine (Belarus)
Studying of the comparative productivity of various species and varieties of perennial grasses for the selection of the most productive species and increasing of production capacity of well-balanced feeds with low prime cost was realized in the conditions of sod-podzolic loamy soils of Vitebsk region of the Republic of Belarus. In course of study there were analyzed the following grasses: meadow clover (Trifolium pratense); creeping trefoil (Trifolium repens); great trefoil (Medicago sativa); timothy grass (Phleum pratense); meadow fescue grass (Festuca pratensis); chewing fescue (Festuca rubra); cock's-foot (Dactylis glomerata); common ryegrass (Lolium perenne); meadow foxtail (Alopecurus pratensis); awnless brome (Bromus inermis Leyss), and hybrid of fescue grass and perennial ryegrass. Studying of soil and climatic conditions in the analyzed area showed that leguminous grasses had higher yielding capacity than the cereal ones. After the 4-year observation the studied leguminous grasses provided higher yielding indexes in comparison with the cereal ones per 1 gram: dry matter – on 14,9%; available energy - on 29,7%; crude protein – on 44,7%. For the production of green mass in the conditions of Vitebsk region into the basis of planning of green and raw materials conveyor system there should be taken into consideration terms of beginning of hay cutting ripening of perennial leguminous and bluegrass grasses. Cereal grasses showed higher indexes of sugar content in 1,8 times in comparison with leguminous ones. For the provision of standard content of sugars and digestible protein in energy fodder unit it was reasonable to form grass mixtures on the basis leguminous and bluegrass grasses in ratio 60% and 40% respectively
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