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Chemical composition of 28 selected species of meadow herbs on the abandoned grassland was observed in a 3-year period of vegetation in the temperate locality with mainly cold winters of the central part of Slovakia (Strážov Hills, locality Chvojnica, elevation 600 m. From dicotyledonous plants there were analyzed 6 legumes and 16 other species, and from less significant grass species there were analyzed 6 species in the growth phase from the flower buds formation up to the flowering. The content of crude protein, fibre, and mineral nutrients (Ca, P, K, Mg, and Na) i.e. normalized parameters for assembling of fodder amount for polygastric animals of the selected plant species was analyzed. The chemical analyses revealed great chemodiversity in the content of observed parameters of the dry matter quality among the individual grass species, and that is why the rate of influence will be dependent on the seasonal occurrence. However, negative influence of increased occurrence of the observed species on the feeding quality from abandoned and non-utilized grasslands can be expected.
