Produktywno?? gatunku Achillea millefolium L, w warunkach naturalnych [Productivity of the species Achillea millejolium L. in natural habitats]

摘要

On the basis of three years investigations of the productivity of Achillea millejolium L. monthly "indices" of biomass-producton, water content, organic and inorganic matter and essential oils (Table 1) contents were calculated as well as the same indices for particular years (Table 2). A relationship of the productivity with climatic conditions and differences in the composition of the essential oil with changes of seasons were found.