Present paper disccuses seasonal dynamics of sacharide and protein content in Leymus chinensis growing in different habitats which are natural grassland, pasture grassland (under grazing and over grazing), hay grassland and irrigated grassland. Acceding to several year investigations, the interrelation of the seasonal dynamics of the substance content to the development of Leymus chinensis is reported and the regularity of interrelation between the sacharide content of rhizome and the biomass on the aerial ...