EN
Fodder as well as phytoenergetic phytomass utilisation of goat’s rue depends, to a considerable extent, on plant response to their defoliation frequency. This feature is critical when decisions are to be taken whether it is more advantageous to employ a single harvest or to apply continuous production of phytomass by repeated plant defoliation. The performed experiments comprised: recognition of changes in plant chemical composition with respect to organic and mineral constituents important from nutritional point of view, determination of shoot morphological structure, assessment of plant vitality on the basis of the content of chlorophyll dyes as well as determination of the over-ground mass yield of goat’s rue regrowths.